Products

Women's Wild Cargo Pants 8 Pockets

$ 49.95 USD

You can never go wrong with this women's cargo pants. Quality, style, and comfort, all...

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Women’s Crop Tee - Abstract Jaguar Yawning

$ 26.00 USD – Sold Out

The season's trendiest garment - the crop top. This top is tight-fitting but still incredibly...

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Wooden Block for Mounting Insects

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This is a traditional three-step clamping block. It is made of hardwood with pin holes...

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World on Fire: Humans, Animals, and the Future of the Planet

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Mark Rowlands presents a novel analysis of three epoch-defining environmental problems: climate, extinction, and pestilence....

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World on Fire: Humans, Animals, and the Future of the Planet

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This is the eighth volume of a ten-volume series on The Natural History of the...

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Worlds in Shadow: Submerged Lands in Science, Memory and Myth

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Discover ancient civilizations that have disappeared beneath the ocean's surface and explore how the science...

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Wosports Trail Camera G600 30 MP with LCD Screen

$ 69.95 USD

WOSPORTS G600-4K Trail Camera: Professional 4K Monitoring for Wildlife and Security

Capture Superior Detail with 48MP Resolution, Ultra-Fast 0.2s Trigger Speed, and Invisible 940nm No-Glow Night Vision for Discrete Nature Observation.

The WOSPORTS G600-4K is a high-performance trail camera engineered for researchers, farmers, and security professionals who demand exceptional clarity in the field. Designed to withstand the elements with an IP66 waterproof rating, this camera captures stunning 48MP photographs and 4K high-definition video with integrated audio. Its advanced motion-activated system ensures autonomous operation for weeks at a time, making it the perfect tool for monitoring remote wildlife trails, managing livestock, or securing rural perimeters without human interference.

What sets the G600-4K apart is its ultra-responsive 0.2-second trigger speed, coupled with a 120° wide-angle lens that covers expansive areas. For nocturnal observation, it features 32 invisible 940nm No-Glow infrared LEDs, allowing the camera to record wildlife behavior up to 80 feet away without alerting the subjects. The integrated 2.0-inch color LCD screen provides an intuitive interface for on-site file review and framing, ensuring that every deployment is optimized for the highest quality data collection in any natural environment.

Key Features

• Ultra-High Resolution: Captures professional-grade 48MP photos and 4K video with audio.
• Lightning-Fast Trigger: 0.2-second response time ensures fast-moving subjects are never missed.
• Discrete Night Vision: 32 invisible 940nm No-Glow LEDs for total stealth up to 80 feet.
• Wide Field of View: 120° wide-angle lens provides maximum coverage of the monitored area.
• Rugged Exterior Design: IP66 certified protection against heavy rain, dust, and extreme weather.
• Integrated Color Display: 2.0-inch LCD screen for easy configuration and instant file playback.

• Specifications
• In the Box
• Required Items
• Optional Items

• Model	WOSPORTS G600-4K
  Image Resolution	Up to 48MP
  Video Resolution	4K with Audio
  Trigger Speed	0.2 Seconds
  Lens Angle	120° Wide Angle
  Infrared LEDs	32 LEDs - 940nm No-Glow (Invisible)
  Night Vision Range	Up to 80 feet (24 meters)
  Display	2.0-inch Color LCD
  Capture Modes	Photo, Video, Photo + Video
  Burst Mode	Up to 3 photos per activation
  Storage Support	MicroSD cards up to 256GB
  Power Supply	8x AA Batteries or 12V DC External Source
  IP Rating	IP66 Waterproof and Dustproof
  Operating Functions	Date/Time Stamp and Programmable Timers

• • 1x WOSPORTS G600-4K Trail Camera
  • 1x 32GB Memory Card
  • 1x USB Type-C Cable
  • 1x Nylon Mounting Strap
  • 1x Wall Mount and Screws
  • 1x User Manual
• • 8 AA Batteries
• • High-capacity MicroSD card (up to 256GB)
  • 12V External Power Adapter
  • Security Lock Cable

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Writing in the Biological Sciences

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"Writing in the Biological Sciences: A Comprehensive Guide to Scientific Communication" serves as a comprehensive...

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X-Dragon 40W Solar Charger Compatible with Laptops

$ 153.75 USD

<p id="divCheckbox" style="display: none;">solar charger, Solar Charger</p>

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Xcluder Fill Blocks ²⁵

$ 25.00 USD

Xcluder Blocks, 2"x2"x7.5", 12 blocks per bag, 6 bags per case. All XCLUDER® products are...

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Xcluder Fill Fabric Starter Kit 4" x 10' Roll ²⁵

$ 34.95 USD

Stop mice, rats, and other rodents from entering with Xcluder - the original, patented and...

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Xcluder Fill Fabric ²⁵

$ 24.50 USD

Xcluder™ is the trusted brand for rodent and insect prevention tools, All XCLUDER®; products are...

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Xcluder Garage Door Rodent Shields ²⁵

$ 8.91 USD

Protect your garage from mice, rats, and chipmunks. Professional stainless steel solution to rodent-proof your...

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Xcluder Wrap with Adhesive Backing ²⁵

$ 59.95 USD

Xcluder® Adhesive Backed Wraps provide a durable and permanent barrier against rodents and pests. Made...

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Yagi Antenna 3 Elements Folding and Portable ²⁵

$ 290.00 USD

Maximize Signal Reception with High-Precision Foldable Yagi Antennas

Power, portability, and precision tracking with our 3-element directional antennas. Ideal for field research and wildlife monitoring with custom frequency transmitters.

Our 3-element foldable Yagi antennas are designed to enhance signal reception and transmission within a specific directional range. Unlike omnidirectional antennas, these models offer greater directional gain, focused signal tracking, and reduced interference, significantly improving tracking performance in the field. They can be custom-tuned to operate within the 148 to 225 kHz frequency range, depending on the transmitters being used.

Key Features:

• Superior directional gain: Perfect for locating specific signals in open areas or high-interference environments.
• Foldable and portable: Designed for hassle-free field use; quick to set up and pack.
• Frequency-tuned: Custom-built to operate between 148 and 225 kHz, ensuring optimal performance.
• Durable and lightweight construction: Rugged build for long-lasting use in demanding outdoor conditions.

• Technical Specifications
• In the Box
• Required Items

• Model	Description
  3-Element Foldable	Lightweight and directional, ideal for fast field tracking. Best used with specific transmitters.
  Frequency Range	148 – 225 kHz (custom-tuned to user’s transmitter)

• • 3-element foldable Yagi antenna (based on selection)
  • Basic assembly manual
• • Receiver compatible with frequencies between 148 and 225 kHz
  • Transmitters tuned to the same frequency

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Yagi Antenna 5 Elements Folding Portable and Split

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Maximize Signal Reception with High-Precision Folding and Split Yagi Antennas

Power, portability, and tracking accuracy with our 5-element directional antennas. Ideal for field research and wildlife monitoring using custom-frequency transmitters.

The 5-element folding and split Yagi antennas are designed to optimize signal reception and transmission within a specific directional range. Unlike omnidirectional antennas, these models offer higher directional gain, signal focus, and reduced interference, significantly improving field tracking performance. They can be custom-tuned to operate within the 148 to 225 kHz frequency range, depending on the transmitter used. The 5-element version is also available in a “split” option, ideal for compact storage and reduced shipping costs.

Features

• Superior directional gain: Perfect for locating specific signals in open fields or high-interference areas.
• Split version available: Designed for compact storage and easier international shipping, lowering logistics costs.
• Folding and portable: Built for hassle-free field use; quick to assemble and disassemble.
• Frequency-tuned: Customized to operate between 148–225 kHz, ensuring optimal performance.
• Lightweight and rugged build: Durable materials designed to withstand continuous use in demanding outdoor conditions.

• Specifications
• In the Box
• Required Items

• Model	Features
  5-Element Folding	Greater precision and sensitivity. Requires more deployment space.
  5-Element Folding “Split”	Split version, ideal for compact transport and reduced shipping costs.
  Frequency Range	148 – 225 kHz (tuned to the user’s transmitter)

• • 5-element folding Yagi antenna (as selected)
  • Basic assembly manual
• • Receiver compatible with frequencies between 148 and 225 kHz
  • Transmitters tuned to the same frequency

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Yard Gard Solar Ultrasonic Bird-X Repeller (280 m²) ²⁶

$ 76.35 USD

High-tech pest control powered by the sun. Humanely keep pest animals out of your yard...

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Yellowstone's Wildlife in Transition

$ 45.00 USD

The world's first national park, Yellowstone is a symbol of nature's enduring majesty and the...

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Yellowstone’s Birds ²⁶

$ 35.00 USD

An exploration of the causes and patterns of avian vagrancy Avian vagrancy―the appearance of birds...

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YSI Photometers - Discontinued

$ 1,120.00 USD – Sold Out

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YSI 9800 Carrying Case for Photometer ²⁶

$ 175.50 USD

Designed to withstand the most rigorous conditions of environmental research, the YSI 9800 photometer carrying...

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YSI 9800 Photometers ²⁶

$ 1,933.90 USD

Simplify Your Water Quality Testing: YSI 9800 Portable Multiparameter Photometer

Reliable performance and accurate measurements in the lab or field, with a modern touch interface and durable IP67 design.

The YSI 9800 Photometer is a portable multiparameter instrument designed to quickly analyze over 30 water quality parameters in the field or laboratory. With an intuitive interface, color touchscreen, and rugged design, it’s ideal for professionals of any experience level. Compatible with a wide range of reagents (sold separately), the YSI 9800 replaces the previous YSI 9300 and 9500 models, offering a modern, precise, and sustainable approach to water monitoring.

Key Features:

• Multiparameter: Measures over 30 key water quality parameters.
• Intuitive interface: Color touchscreen with on-screen step-by-step instructions.
• Rugged design: IP67 certified, resistant to impact, scratches, and chemicals.
• Internal memory: Stores up to 1,000 data sets with traceability.
• USB connectivity: For data transfer and power supply.
• Multilingual: English, French, Spanish, and Simplified Chinese.
• Long-lasting: Performs up to 5,000 tests on a single set of batteries.
• Sustainable: Recycled carrying case and fully repairable throughout its service life.

Test Kit Table for YSI 9800 Photometer

Below are the available test kits for the YSI 9800, including measurement range, reference codes for starter kits (50 tests) and replacement kits (250 tests), as well as compatibility with seawater samples.

• Specifications
• In the Box
• Required Items
• Optional Items
• Documents

• Specification	YSI 9800 Photometer
  Instrument Type	Multiparameter Photometer
  Measured Parameters	Over 30 (Alkalinity, Ammonia, Chlorine, pH, Iron, Nitrates, etc.)
  Wavelengths	430 nm, 465 nm, 530 nm, 575 nm, 620 nm
  Accuracy	± 1%T (transmittance)
  Display	Large color LCD
  User Interface	Touchscreen with guided instructions
  IP Rating	IP-67 (submersible even with USB cable connected)
  Power Supply	6x AA batteries or USB power
  Connectivity	USB Type A to C for data transfer and charging
  Memory Capacity	1,000 data sets
  Battery Life	Up to 5,000 tests on one set of batteries
  Languages	English, French, Spanish, and Simplified Chinese
  Certifications	EN61326, EN61010, IP67, EN60068-2-78

• • x1 YSI 9800 Photometer
  • x1 Dilution tube
  • x1 10 mL Luer Slip Syringe
  • x1 Polishing cloth and absorbent cloth
  • x1 Test tube brush
  • x1 USB Type A to C cable
  • x10 Stirring rods
  • x10 Sample beakers
  • x1 Reagent storage box
  • x1 Quick start guide
• • Reagents for each parameter (sold separately)
• • YSI 9800 Carrying Case
  • Verification standards for YSI 9800
  • Round test beakers with lids (set of 5)
  • Additional USB Type A to C cable
• • User Manual (PDF)
  • Quick Start Guide (PDF)
  • Specification Sheet (PDF)

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YSI Cable Management Kit ²⁶

$ 33.50 USD

Cable Management Kit Easily manage your cables. Also attaches to the back of the instrument...

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YSI EXO Series Multiparameter Smart Sensors ²⁶

$ 1,391.00 USD

EXO Intelligent Digital Sensor Ecosystem The most advanced sensor suite for water quality monitoring, designed...

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YSI EXO2 EXO3 Hard Carrying Case with Wheels ²⁶

$ 822.40 USD

This robust carrying case is the ideal solution for researchers and technicians who require risk-free...

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YSI Maintenance Kit - Discontinued

$ 155.25 USD – Sold Out

Basic maintenance kit for all YSI 6-Series sondes except the 600R. Includes: 1 probe installation/removal...

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YSI Membrane Kit Includes Electrolyte ²⁶

$ 91.25 USD

Stretch membrane. Standard Membrane Kit for polarographic probes. Includes KCL electrolyte (1 mil).   Specifications...

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YSI pH Buffer Solution ²⁶

$ 25.25 USD

YSI pH Calibration Buffers – Accuracy and Confidence in Every Measurement

Ensure precise readings with solutions designed under the highest quality standards

YSI pH calibration buffer solutions are essential to ensure accuracy and repeatability in your pH measurements for scientific, environmental, and laboratory applications. Formulated under strict quality controls, these solutions allow calibration of the entire line of YSI sensors and meters, ensuring confidence in your results and meeting international standards.

Key Features

• Full Compatibility: Calibrates the entire range of YSI pH sensors and meters.
• Guaranteed Accuracy: Solutions formulated under rigorous quality control.
• Flexible Packaging: Available individually or in cases of pint-sized plastic bottles.
• Identifiable Colors: Each buffer is dyed with food-grade coloring for easy recognition.
• Long Shelf Life: With clear and reliable expiration dates.
• Laboratory Safety: Documented ingredients supported by Safety Data Sheets (SDS).
• Scientific Support: Used in environmental, agricultural, and quality control studies.
• International Quality: Designed and manufactured by YSI, a global leader in scientific instrumentation.

• Specifications
• In the Box
• Required Items
• Optional Items
• Documents

• Specification	YSI 3821 pH 4.00	YSI 3822 pH 7.00	YSI 3823 pH 10.00
  Identifier Color	Red	Yellow	Blue
  Main Ingredients	Potassium Acid Phthalate, Deionized Water	Potassium Phosphate Monobasic, Sodium Hydroxide, Deionized Water	Disodium EDTA, Potassium Carbonate, Potassium Borate, Potassium Hydroxide, Deionized Water
  Packaging	Plastic bottles (pint) or glass bottles (quart)
  Shelf Life (unopened)	2 years	2 years	2 years
  Shelf Life (opened)	6 months	6 months	6 months
  Main Use	Low acidity calibration	Neutral calibration	Basic/high alkalinity calibration

• • x1 YSI Buffer Solution pH 4.00 (3821)
  • x1 YSI Buffer Solution pH 7.00 (3822)
  • x1 YSI Buffer Solution pH 10.00 (3823)
• • Compatible YSI pH Meter
  • YSI pH Electrode
• • Additional YSI Solutions (Conductivity, Zobell, Turbidity, Ammonium, Nitrate, O₂ Electrolyte)
• • YSI pH 4 Calibration Buffer SDS
  • YSI pH 7 Calibration Buffer SDS
  • YSI pH 10 Calibration Buffer SDS
  • YSI Solution Expiration Dates

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YSI pH Meter Pro10 ²⁶

$ 745.75 USD

YSI Pro10: La Robustez Definitiva para Mediciones de pH y ORP en Campo

Instrumento portátil ultrarresistente con certificación IP67, conectores militares y sensores reemplazables. Ideal para mediciones precisas de pH/ORP y temperatura en las condiciones más extremas, con calibración inteligente y almacenamiento de datos.

Rugged and reliable, the YSI Pro10 provides everything you need in a handheld instrument for the measurement of either pH or ORP along with temperature.

User-replaceable sensors and cables along with convenient calibration routine feature makes it extremely user friendly. Mil-spec (military spec) connectors, IP67 waterproof and rubber over molded case, and 1-meter drop tests ensure the instrument remains in your hands to provide years of sampling even in the harshest field conditions. The feature set results in a low total cost of ownership over the life of the product and proves that it is smarter, tougher, and more versatile.

Key Features

• User-replaceable cables and sensors provide versatility, reduce down time and reduce overall cost of ownership.
• Available with 1- 4- 10- 20- and 30-m cable lengths standard (cable management kit included on all cables 4-m and longer).
• Smart calibration; the instrument remembers the previous calibration values and simply walks you through the routine.
• Stores 50 data sets; no need to write down data.
• Large graphic, backlit display and glow in the dark keypad. Usable in any lighting condition. The display is also visible when wearing polarized sunglasses.
• Tough. IP67, impact-resistant, waterproof case. Waterproof without the battery cover as well.
• Rubber over molded case provides extra durability. Military spec connectors are unsurpassed for ruggedness.
• Multiple languages include English, Spanish, French, and Portuguese.

Note: cables and sensors are sold separately

• Specifications
• In the Box
• Required Items
• Optional Items

EO20231804

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YSI pH/ORP/Temperature Meters EcoSense pH100 Series ²⁶

$ 386.50 USD

The EcoSense® pH100 Seriess handheld instruments provides accurate and repeatable pH, mV, and temperature measurements...

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YSI Photometers Reagents ²⁶

$ 63.50 USD

Starter Reagent Kits for the 9300 and 9500 photometers. The kits include reagents for 50...

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YSI Pro-Series Sensors ²⁶

$ 220.25 USD

References Description  Characteristics pH pH (ISE) PROBE Measure pH quickly and easily with the 1001...

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YSI Pro20 Dissolved Oxygen Meter ²⁶

$ 804.50 USD

YSI Pro20: Dissolved Oxygen Accuracy, Even Under Extreme Conditions

Rugged, portable dissolved oxygen meter with replaceable sensors, fast calibration, and IP-67 military-grade design. Ideal for both the laboratory and field, offering reliable data with low operating costs.

The YSI Pro20 dissolved oxygen meter is a rugged, user-friendly instrument for dissolved oxygen measurement. The Pro20 can be used in the lab or the field and can go from one to the other in seconds.

User-replaceable sensors and cables and convenient One Touch Cal feature makes it extremely user friendly. Mil-spec (military spec) connectors, IP-67 waterproof and rubber over molded case, and 1-meter drop tests ensure the instrument remains in your hands to provide years of sampling even in the harshest field conditions. The feature set of the Pro20 results in a low total cost of ownership over the life of the product.

Fast response times with the Polarographic or Galvanic dissolved oxygen sensors allow you to complete your sampling routine quickly. The long life of the Polarographic sensor saves time and money and reduces your overall cost. The Galvanic sensor enables you to start sampling immediately without a warm-up period. Either sensor you choose for the field will give you accurate, quality data.

Instrument only. Cables, probes / sensors, and accessories are sold separately.

Key Features

• Internal barometer for highest accuracy.
• Choose field DO sensors (Polarographic or Galvanic) or lab BOD probe for BOD in wastewater.
• One Touch Cal calibrates within 3 seconds with the push of a button.
• Stores 50 data sets.
• Graphic, backlit display and glow in the dark keypad.
• Available with 1, 4, 10, 20, 30 or 100-meter cables.
• View display with polarized sunglasses on.
• Fastest response time on the market with 95% response in 8 seconds with standard membrane.
• Multiple languages include English, Spanish, French and German.
• User replaceable sensors and cables .

YSI Pro20, Dissolved Oxygen Meter, Portable, Rugged, Waterproof IP-67, Barometer, Polarographic Sensor, Galvanic Sensor, One Touch Cal, Field Use, Lab Use, Fast Response, BOD Probe, Replaceable Sensors, Data Storage, Long Battery Life, RoHS, CE Certified

• Specifications
• In the Box
• Required Items
• Optional Items
• Documents

(S 22/9/2021, S 20210415)

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YSI Probes Assemblies for Use with YSI EcoSense pH100 Series ²⁶

$ 190.00 USD

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YSI ProDSS 4 Port Cables Assembly ²⁶

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Es un conjunto de cable de 4 puertos para el instrumento ProDSS disponible en longitudes de hasta 100 metros. Los puertos de sensor en los cables de 4 puertos ProDSS son universales, lo que permite la conexión de sensores ProDSS en cualquier puerto de sensor.

Conecta los sensores ópticos de OD, turbidez, conductividad / temperatura, pH, pH / ORP, nitrato, amonio y cloruro de ProDSS en cualquier combinación.

Nota: Se debe instalar un sensor de conductividad / temperatura en un cable de 4 puertos ProDSS para una compensación precisa de la temperatura y la medición de todos los parámetros, excepto la turbidez y el TSS. Todos los sensores, incluida la conductividad / temperatura, deben pedirse por separado. Los cables de 10, 20 y 30 metros incluyen un kit de administración de cables.

• Especificaciones
• En la Caja
• Artículos Requeridos
• Artículos Opcionales

• • 4 puertos de sensor.
  • Tapones de 3 puertos.
  • Tubo de lubricante Krytox.
  • Cepillo para sonda de conductividad.
  • Jeringa para limpieza del sensor de profundidad.
  • Herramienta de instalación / extracción del sensor.
• • Cables YSI Para Medidores ProDSS (1)
• • Medidores Multiparámetros de Calidad de Agua YSI ProDSS
  • Sensores para Medidor YSI ProDSS
• • Ninguno

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YSI ProDSS Flow Cell ²⁶

$ 483.25 USD

YSI 9080 Flow Cell – Precision in Groundwater Sampling

Optimize your monitoring with low-flow sampling and reliable results

The YSI 9080 Flow Cell is designed for low-flow groundwater sampling applications, in combination with ProDSS or EXO1 instruments. Its design enables controlled flow that improves data accuracy, ensuring representative measurements without altering water conditions. Ideal for researchers, environmental professionals, and water quality monitoring projects where reliability is essential.

Key Features

• Low-flow sampling: Designed to optimize representativeness in groundwater.
• Full compatibility: Works with YSI ProDSS and EXO1 sondes.
• 410 mL volume: Accurate capacity without sensors installed.
• Durable construction: Built to withstand demanding field conditions.
• Quick connections: Includes 3/8” and 1/4” adapters for fast, secure setup.
• Easy maintenance: Easily disassembled for cleaning and sensor care.
• Lubrication and sealing: Spare O-rings and lubricant included to ensure tight sealing.
• Vertical design: Allows efficient purging and prevents air bubbles in measurements.

• Specifications
• In the Box
• Required Items
• Optional Items
• Documents

• Specification	Value
  Model	YSI 9080 Flow Cell
  Volume	410 mL (without sensors installed)
  Maximum pressure	25 psi
  Operating temperature	-10 to 60 °C (14 to 140 °F)
  Storage temperature	-20 to 60 °C (-4 to 140 °F)
  Related part numbers	#599080, #599201

• • x1 Flow cell
  • x2 3/8" fittings
  • x2 1/4" fittings
  • x1 Tube of lubricant
  • x1 Instruction set
  • x2 Spare O-rings
• • YSI ProDSS or EXO1 sonde (required for operation)
• • EXO2 Flow Cell – 925 mL (#599201)
  • Spare O-rings (#606856 / #599215)
  • Replacement components (tube, caps, rings, quick fittings)
• • YSI 9080 Flow Cell Instruction Sheet

View full product details »

YSI ProDSS Multiparameter Water Quality Meter ²⁶

$ 2,461.50 USD

ProDSS Digital System: Explore, Measure & Trust Your Water Quality Data

Scientific precision in your hands: measure multiple water parameters in the field and lab

The YSI ProDSS (Digital Sampling System) Multiparameter Handheld is a portable water sampling instrument that combines ruggedness, flexibility, and accuracy. Designed for scientific, environmental, and regulatory applications, it allows you to connect up to four smart sensors simultaneously, providing reliable data in surface water, groundwater, coastal water, aquaculture, laboratories, and wastewater. Its advanced digital technology automatically recognizes sensors and retains calibration, saving time and ensuring reproducible results. Available in two versions: with integrated GPS (to record field coordinates) or without GPS.

Key Features

• Total Flexibility: 4 universal ports to connect any combination of sensors.
• Extreme Durability: IP-67 waterproof housing, military-grade connectors, and replaceable titanium sensors.
• Extended Battery Life: rechargeable lithium-ion battery with up to 48 hours of continuous use.
• Large Memory: stores over 100,000 data sets with customizable labels.
• Clear Display: color LCD with backlit keypad, even in direct sunlight.
• Kor Software Compatible: advanced data analysis, calibration, and management on PC and mobile.
• Advanced Options: integrated GPS in the “With GPS” version and optional depth sensor.
• Reliable Support: up to 3-year warranty on the instrument and 2 years on cables.

• Specifications
• In the Box
• Required Items
• Optional Items
• Documents

• Specification	ProDSS Handheld (No GPS)	ProDSS Handheld (With GPS)
  Instrument Type	Portable digital multiparameter for water sampling (field and lab compatible)
  Sensor Ports	4 universal, compatible with any ProDSS sensor
  Internal GPS	No	Yes, stores coordinates with data and site lists
  Memory	>100,000 data logs, 400 GLP files
  Connectivity	Micro USB On-The-Go port for PC, charging, and USB memory connection
  Data Management	Kor Software (PC included and mobile app), data viewing and download
  Battery	Rechargeable lithium-ion (~48h autonomy without backlight)
  Display	Color LCD with backlit keypad
  Certifications	CE, FCC, RoHS, WEEE, IP-67, 1m drop test, UN 38.3, assembled in USA
  Languages	Spanish, English, Portuguese, German, French, Italian, Norwegian, Japanese, Chinese (Simplified and Traditional)
  Buffer Recognition	Automatic, compatible with USA (4.00, 7.00, 10.00) and NIST (4.01, 6.86, 9.18), temperature compensated
  Sensors	Digital, replaceable, up to 4 simultaneously
  GLP Compliance	Stores detailed GLP info, available for download/printing
  Data Logging	Single-point or continuous mode
  Measurable Parameters	DO (% and mg/L), Temp., Turbidity, Conductivity, Resistivity, Salinity, Density, pH, ORP, Ammonium, Nitrate, Chloride, TDS, TSS, Depth, Barometer
  Operating Temperature Range	0 to 50 °C (32–122 °F)
  Storage Temperature	0–45 °C with battery | 0–60 °C without battery
  Size (handheld)	8.3 cm (width) × 21.6 cm (length) × 5.6 cm (depth)
  Size (bulkhead)	With sensors: 33–36 cm | With guard: 42–45 cm | Ø 4.75 cm
  Protection	Waterproof, floats, IP-67 even with battery cover open

• • x1 ProDSS Handheld (selected version)
  • x1 Rechargeable lithium-ion battery (pre-installed)
  • x1 Hand strap
  • x1 USB cable for charging and PC connection
  • x1 Universal AC charger
  • x1 Cable for USB memory connection
  • x1 USB memory with Kor software
  • x1 ProDSS Quick Guide
  • x1 User manual in digital format
• • ProDSS 4 Port Cable Assembly (with or without depth sensor, depending on configuration)
  • ProDSS multiparameter sensors (ODO, pH, ORP, Turbidity, Algae, etc.)
  • Conductivity/Temperature Sensor (recommended for accurate compensation)
• • Depth sensor
  • ODO/CT Probe and cable
  • ProODO Sensor and cable
  • ProOBOD Optical BOD Probe (lab use)
  • ProDSS 4 Port Cable Assembly, With Depth – Cable with depth sensor
  • ProDSS 4 Port Cable Assembly, No Depth – Cable without depth sensor
  • ProDIGITAL ODO/CT Cable Assembly – Integrated optical DO and conductivity cable
  • ProDSS ODO Optical Dissolved Oxygen Sensor
  • ProDSS Turbidity Sensor
  • ProDSS Conductivity and Temperature Sensor
  • ProDSS pH Sensor with Module
  • ProDSS pH/ORP Sensor with Module
  • ProDSS Total Algae PC Sensor
  • ProDSS Large, Hard Sided Carrying Case
  • Pro Series Soft Sided Carrying Case
  • ProDSS Small, Hard-sided Carrying Case
• • ProDIGITAL User Manual (EN)
  • Dissolved Oxygen Solubility Table | XA00055
  • YSI ProDSS Quick Start Guide

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YSI ProDSS Smart Sensors ²⁶

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YSI ProDSS – Total Precision in Water Quality

Measure multiple parameters with digital smart sensors and maximum reliability in the field

The YSI ProDSS meter offers an advanced solution for water quality analysis in the field and laboratory. Its digital titanium smart sensors, user-replaceable, are automatically recognized by the instrument and store calibration data, making them easy to use and reducing preparation time. In addition, its single-cable design with universal ports allows you to connect up to 4 sensors simultaneously plus depth measurement, providing versatility and lowering total cost of ownership.

Key Features

• Digital Smart Sensors: Automatic recognition and calibration storage.
• Rugged Titanium Construction: Superior resistance for demanding fieldwork.
• Modular and Replaceable: User-interchangeable cables and sensors for greater flexibility.
• Universal Port Design: Connect up to 4 sensors plus depth.
• High Accuracy: Full measurement range with resolutions suited for scientific research.
• Cost Reduction: Minimizes downtime and maintenance.
• Versatile Applications: Ideal for environmental monitoring, field studies, and aquatic research.
• Documentation Support: Includes online manuals and catalogs for ease of use.

• Specifications
• In the Box
• Required Items
• Optional Items
• Documents

• Ref	Accuracy	Measurement Range	Resolution
  Turbidity Sensor	0 to 999 FNU: ±0.3 FNU or ±2% reading 1000 to 4000 FNU: ±5% reading	0 to 4000 FNU	0.1 FNU
  pH/ORP Sensor	pH: ±0.2 units ORP: ±20 mV	pH: 0 to 14 units ORP: -1999 to 1999 mV	pH: 0.01 units ORP: 0.1 mV
  pH Sensor	±0.2 pH units	0 to 14 pH units	0.01 pH units
  Titanium Smart Sensor	0 to 200%: ±1% reading 200 to 500%: ±8% reading 0 to 20 mg/L: ±0.1 mg/L or ±1% reading 20 to 50 mg/L: ±8% reading	0 to 500% 0 to 50 mg/L	0.01–0.1 mg/L 0.1–1% (selectable)
  Nitrate Sensor	±10% reading or 2 mg/L	0 to 200 mg/L NO3-N	0.01 mg/L
  Conductivity and Temperature Sensor	Temp.: ±0.2°C Conductivity: depends on range Salinity: 0.01 ppt	Temp.: -5 to 70°C Conductivity: 0 to 200 mS/cm Salinity: 0 to 70 ppt	Temp.: 0.1°C/°F Conductivity: 0.001–0.1 µS/cm
  Ammonium Sensor	±10% reading or 2 mg/L	Ammonium: 0 to 200 mg/L NH4-N Ammonia: 0 to 200 mg/L NH3-N	Ammonium: 0.01 mg/L Ammonia: 0.01 mg/L
  Chloride Sensor	±15% reading or 5 mg/L	0 to 18000 mg/L Cl	0.01 mg/L

• • x1 Sensor for YSI ProDSS Meter
• • YSI ProDSS Multiparameter Water Quality Meter
  • YSI Cables for ProDSS
• • None
• • User Manual (English)
  • YSI Catalog (English)

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YSI ProDSS/EXO Replacement Battery Kit ²⁵

$ 161.90 USD – Sold Out

YSI ProDSS/EXO Replacement Battery Kit Kit de batería de repuesto para ProDSS & EXO de...

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YSI Professional Series Pro20i Dissolved Oxygen Instrument ²⁶

$ 1,467.50 USD

Accuracy and Durability in the Field: YSI Pro20i Dissolved Oxygen Meter

A ruggedly designed instrument featuring interchangeable sensors and instant calibration, making it the ultimate tool for reliable dissolved oxygen monitoring in the most demanding natural environments.

The YSI Pro20i is a professional-grade portable meter designed to deliver high-precision dissolved oxygen (DO) and temperature measurements in the field. Built to withstand harsh conditions, it features an integrated, non-detachable cable available in various lengths and a robust, waterproof housing that ensures longevity. With the flexibility to choose between polarographic or galvanic sensors and the convenience of "One Touch Cal" technology, the Pro20i provides fast, laboratory-quality results for aquaculture, environmental research, and wastewater management, even in the most challenging outdoor settings.

Key Features

• One-Step Calibration: The One Touch Cal function enables precise calibration in under 3 seconds for maximum efficiency.
• Integrated Cable System: Features a factory-sealed integral cable available in 1, 4, and 10-meter lengths for enhanced durability.
• Extreme Field Durability: IP-67 waterproof rating and rubber over-molded case, drop-tested from 1 meter to ensure survival in the field.
• Interchangeable Sensor Technology: User-replaceable sensors with a choice between polarographic or galvanic models to suit specific project needs.
• Internal Barometer: Includes a built-in barometer to compensate for pressure changes and ensure superior DO measurement accuracy.
• High-Visibility Interface: Features a backlit graphic display and glow-in-the-dark keypad, perfectly readable even with polarized sunglasses.

• Specifications
• In the Box
• Required Items
• Optional Items
• Documents

• Cable	Integrated, available in 1, 4, and 10 meters
  Compatible Sensors	Polarographic or Galvanic (User-replaceable)
  Calibration	One Touch Cal (Fast, in 3 seconds)
  Memory	Stores up to 50 data sets
  User Interface Languages	English, Spanish, French, German
  Display	Graphic, backlit, visible with polarized sunglasses
  Power Supply	2 alkaline C-cell batteries (~400 h without backlight)
  Response Time	95% in 8 seconds with standard membrane
  Certifications	RoHS, CE, WEEE, IP-67, 1-meter drop test

• • 1x YSI Pro20i handheld meter with integrated cable
  • 1x Dissolved oxygen sensor (Polarographic or Galvanic)
  • 1x Membrane cap kit
  • 2x C-cell batteries
  • 1x User manual
• • Dissolved oxygen calibration solution
• • Additional galvanic or polarographic sensor
  • Membrane maintenance kit
  • Padded carrying case
  • Tripod or belt clip
• • Specification Sheets (English)
  • User Manual (English)
  • Technical Notes (English)

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YSI ProOBOD Optical BOD Probe ²⁶

$ 1,515.75 USD – Sold Out

YSI ProDSS Smart Sensors – Maximum Precision in Water Quality Monitoring

Digital smart sensors for multiparameter environmental monitoring

The YSI ProDSS Smart Sensors provide accurate and reliable measurements of key water quality parameters. Each sensor is digital, stores its calibration, and is automatically recognized by the ProDSS instrument, ensuring efficiency and accuracy in both field and laboratory applications.

Key Features

• Smart Connectivity: Sensors are automatically recognized by the ProDSS instrument.
• Calibration Storage: Each sensor retains its internal calibration data.
• High Accuracy: Designed with the precision required for scientific studies and environmental monitoring.
• Wide Range of Parameters: Turbidity, dissolved oxygen, pH, ORP, nutrients, conductivity, temperature, and more.
• Freshwater and Saltwater Applications: Specific options for different environments.
• Direct Integration: Fully compatible with the YSI ProDSS multiparameter system.

• Specifications
• In the Box
• Required Items
• Optional Items

• Model	Sensor Type	Range	Accuracy	Resolution	Units
  ProDSS Turbidity	Nephelometric, optical 90°	0 – 4000 FNU	±2% up to 999 FNU; ±15% up to 4000 FNU	0.1 FNU	FNU, NTU
  ProDSS ODO	Optical dissolved oxygen (luminescence)	0 – 50 mg/L	±0.1 mg/L or 1% up to 20 mg/L; ±8% up to 50 mg/L	0.01 / 0.1 mg/L	mg/L, ppm
  ProDSS pH/ORP	Glass combination electrode + Platinum (ORP)	pH: 0 – 14; ORP: -1999 – +1999 mV	±0.2 pH; ±20 mV	0.01 pH; 0.1 mV	pH, mV
  ProDSS pH	Glass combination electrode	0 – 14 pH	±0.2 pH	0.01 pH	pH, pH mV
  ProDSS Nitrate	ISE Electrode (freshwater)	0 – 200 mg/L NO3-N	±10% or 2 mg/L	0.01 mg/L	mg/L, mV
  ProDSS Ammonium	ISE Electrode + pH (freshwater)	0 – 200 mg/L NH4-N	±10% or 2 mg/L	0.01 mg/L	mg/L, mV
  ProDSS Conductivity/Temp	4-electrode nickel cell + Thermistor	0 – 200 mS/cm; -5 – 70 °C	±0.5% up to 100 mS/cm; ±1% up to 200 mS/cm; ±0.2 °C	0.001 µS/cm; 0.1 °C	µS/cm, mS/cm, °C, °F, K
  ProDSS Chloride	ISE Electrode (freshwater)	0 – 18000 mg/L Cl	±15% or 5 mg/L	0.01 mg/L	mg/L, mV
  ProDSS Algae – Phycocyanin (TAL-PC)	Optical – chlorophyll and phycocyanin (freshwater)	Chlorophyll: 0 – 400 µg/L; Phycocyanin: 0 – 100 µg/L	r² ≥ 0.999	0.01 µg/L	µg/L, RFU
  ProDSS Algae – Phycoerythrin (TAL-PE)	Optical – chlorophyll and phycoerythrin (saltwater)	Chlorophyll: 0 – 400 µg/L; Phycoerythrin: 0 – 280 µg/L	r² ≥ 0.999	0.01 µg/L	µg/L, RFU

• • x1 YSI ProDSS Sensor (selected variant)
• • YSI ProDSS multiparameter instrument
• • Calibration solutions specific to each parameter

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YSI ProSolo Optical Dissolved Oxygen/Temp Meters ²⁶

$ 2,293.25 USD

YSI ProSolo Dissolved Oxygen Sampling System with ODO/T Technology

The ultimate solution for water quality monitoring in nature, combining smart digital sensors with unrivaled optical precision in any environment.

The ProSolo handheld system with the ODO/T probe represents the cutting edge in dissolved oxygen measurement technology for field applications. Featuring Pro-DIGITAL technology, the device automatically recognizes connected sensors, enabling rapid deployment in rivers, lakes, aquaculture, or wastewater treatment plants. Unlike traditional sensors, its optical technology is non-consumptive, eliminating flow dependence and the need for agitation. This robust design minimizes interference from other gases and drastically reduces maintenance, providing more stable and longer-lasting calibrations for the demanding environmental researcher.

Key Features

• Advanced Optical Technology: Non-consumptive measurement provides the highest accuracy available without the need for probe movement.
• Pro-DIGITAL Interface: Automatic sensor recognition for quick, error-free setup in the field.
• Intuitive Color Display: High-visibility graphic monitor that makes reading critical data easy under any lighting condition.
• Robust Data Management: Memory capacity for over 100,000 data sets and KorDSS software for professional-grade analysis.
• Long-Lasting Battery: Up to 48 hours of continuous runtime on a single charge, ideal for extended field work days.

• Specifications
• In the Box
• Documents

• Memory	> 100,000 data sets
  Monitor	Graphic color LCD; 1.5'' x 2.5''
  Power	Rechargeable lithium-ion battery (~ 48 hours)
  Recharge Time	~ 9 hours with AC power adapter
  USB Port	Built-in Micro USB (PC connection, charging, and flash drive)
  Operating Temperature	0 to 50 °C (32 to 122 °F)
  Storage Temperature	0 to 45 °C (with battery) / 0 to 60 °C (without battery)
  Weight	567 grams (with battery)
  Languages	English, Spanish, German, French, Italian, Portuguese, and more
  Certifications	CEC, CE, RoHS, IP-67, WEEE, FCC
  Calibration	Stores up to 400 detailed calibration records

• • 1x ProSolo Optical Handheld Meter
  • 1x Optical Dissolved Oxygen and Temperature Probe (ODO/T)
  • 1x Carrying Case
  • 1x Rechargeable Lithium-ion Battery
• • User Manual (English)
  • Technical Specifications Sheet (English)

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Yuasa Sealed Lead Acid Battery NP12-12 12 V 12 Ah

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Yuasa NP12-12 Sealed Battery (12V 12Ah) – Reliable Power for Industrial Use

Maximum safety and performance with gas recombination technology. Ideal for demanding industrial applications and backup systems.

The Yuasa NP12-12 is a 12V 12Ah VRLA (sealed lead-acid) battery designed to provide reliable, long-lasting performance in industrial applications. With over 80 years of experience, Yuasa has perfected oxygen recombination technology that minimizes maintenance and enhances operational safety. This battery supports both float and cyclic use, allowing for flexible installation in multiple positions (except continuously inverted). Its robust construction and suspended electrolyte system ensure a long service life, with a Eurobat classification of up to 5 years.

Key Features:

• Gas recombination: Technology that minimizes gas release, eliminating the need for regular maintenance.
• Sealed design: Hermetically sealed construction prevents electrolyte leakage, even in various mounting positions.
• Excellent recovery from deep discharge: Ideal for applications where power outages are frequent.
• Lead-calcium grids: Provide longer service life compared to standard batteries.
• Suspended electrolyte system: Uses fiberglass mat to eliminate the need for gels or other contaminants.
• Designed for float or cyclic use: Suitable for a wide range of industrial and backup applications.
• Eurobat classification: Estimated service life of 3 to 5 years under standard use.
• Global manufacturing: Quality supported by international standards.

• Specifications
• In the Box
• Optional Items
• Documents

• Specification	Value
  Nominal Voltage	12 V
  Capacity (20 hours)	12 Ah
  Eurobat Classification	3 to 5 years (standard use)
  Type	VRLA (Sealed Lead-Acid)
  Installation Orientation	Up to 90° from vertical (not continuously inverted)
  Recombination Technology	Yes
  Electrolyte System	Absorbent Glass Mat (AGM)
  Application	Float or cyclic

• • 1x Yuasa NP12-12 Battery (12V 12Ah)
• • Faston connectors or ring terminals
  • Compatible VRLA battery charger
  • Protective enclosure
• • Manufacturer Datasheet (Spanish and English)
  • YUASA NP12-12 Brochure (English)

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Z-Bolt Bird-SPOT Green Laser Pointer for Birdwatching ²⁵

$ 103.50 USD $ 128.00 USD

Ruggedized Green Laser Pointer for Birding and Birdwatching Problem: Sharing Bird Location How to quickly...

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Zipper Veil Suits for Beekeeping

$ 99.95 USD

The location of the veil zipper holds the included folding beekeeping veil in place, assuring...

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Zippit Bags

$ 38.95 USD

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Zoology Specimen Cabinets

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Model 201 The 201 Model is designed for storing larger specimens. Trays are available with...

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Zoom RC4 Remote Control for H4n

$ 42.50 USD

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