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Onset

Onset Temperature Probe in Steel

Onset Temperature Probe in Steel

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Data Logger Onset Water Temp TidbiT MX Max Depth 1500 m

Data Logger Onset Water Temp TidbiT MX Max Depth 1500 m

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Data Logger Onset Water Temp TidbiT MX Max Depth 1500 m

Data Logger Onset Water Temp TidbiT MX Max Depth 1500 m

Data Logger Onset Water Temp TidbiT MX Max Depth 1500 m

Data Logger Onset Water Temp TidbiT MX Max Depth 1500 m

Data Logger Onset Water Temp TidbiT MX Max Depth 1500 m

Data Logger Onset Water Temp TidbiT MX Max Depth 1500 m

Data Logger Onset Water Temp TidbiT MX Max Depth 1500 m

Data Logger Onset Water Temp TidbiT MX Max Depth 1500 m

Data Logger Onset Water Temp TidbiT MX Max Depth 1500 m

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Data Logger Protective Case for HOBO Thermocouples

Data Logger Protective Case for HOBO Thermocouples

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Data Logger Protective Case for HOBO Thermocouples

Data Logger Protective Case for HOBO Thermocouples

Data Logger Protective Case for HOBO Thermocouples

Data Logger Protective Case for HOBO Thermocouples

Data Logger Protective Case for HOBO Thermocouples

Data Logger Protective Case for HOBO Thermocouples

Data Logger Protective Case for HOBO Thermocouples

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Onset HOBO Temperature / RH Data Logger

Onset HOBO Temperature / RH Data Logger - Discontinued

$ 129.00 USD

Onset HOBO Temperature / RH Data Logger

Onset HOBO Temperature / RH Data Logger

Onset HOBO Temperature / RH Data Logger

Onset HOBO Temperature / RH Data Logger

Onset HOBO Temperature / RH Data Logger

Onset HOBO Temperature / RH Data Logger

Onset HOBO Temperature / RH Data Logger - Discontinued

$ 129.00 USD

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Onset HOBO U26-001 Dissolved Oxygen Data Logger

Onset HOBO U26-001 Dissolved Oxygen Data Logger

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Onset HOBO U26-001 Dissolved Oxygen Data Logger

Onset HOBO U26-001 Dissolved Oxygen Data Logger

Onset HOBO U26-001 Dissolved Oxygen Data Logger

Onset HOBO U26-001 Dissolved Oxygen Data Logger

Onset HOBO U26-001 Dissolved Oxygen Data Logger

Onset HOBO U26-001 Dissolved Oxygen Data Logger

Onset HOBO U26-001 Dissolved Oxygen Data Logger

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HOBO® U26 High-Precision Optical Dissolved Oxygen Datalogger

Accurately Measures Dissolved Oxygen And Temperature With A Durable Optical Sensor, Delivering Reliable Data For Scientific Monitoring And Field Research.

The HOBO® U26 Dissolved Oxygen datalogger records dissolved oxygen concentration and water temperature with high precision and reliability. It uses an optical sensor that ensures long-term stability and eliminates accuracy drift over time.

The free HOBOware® software, available for Windows and Mac, allows you to download, visualize, and configure all instrument parameters such as date and time. Communication with the computer is done through the universal optical USB base station BASE-U-4 or the U-DTW-1 shuttle (not included).

Designed for harsh aquatic environments, the datalogger features a compact and corrosion-resistant construction that ensures long-term durability. The included lithium battery provides an extended operational lifespan before replacement is needed.

Key Features

High-Precision Optical Sensor That Prevents Long-Term Accuracy Drift.
Storage Capacity Of 21,700 Records For Extended Monitoring Sessions.
Free HOBOware Software For Data Visualization And Configuration On Windows And Mac.
Corrosion-Resistant Construction Rated For Operation Down To 100 M Depth.
Long-Life Lithium Battery With Approximately 3 Years Of Operation.
Compact And Lightweight Design For Easy Field Deployment.

Specifications
In the Box
Required Items
Documents

Memory Capacity	21,700 Records
Dissolved Oxygen - Range	0 to 30 mg/L
Dissolved Oxygen - Resolution	0.02 mg/L
Dissolved Oxygen - Accuracy	±0.2 mg/L
Temperature - Range	-5 °C to 40 °C
Temperature - Resolution	0.02 °C
Temperature - Accuracy	±0.2 °C
Power Supply Voltage	3.6 VDC
Battery Type	1 × 1/2 AA Lithium
Battery Life	Approx. 3 Years
Output Signal	Optical
Operating Temperature	-5 °C to 40 °C
Maximum Depth	100 m
Material	High-Strength Plastic
Dimensions	∅ 39.6 × 266.7 mm
Weight	464 g

- 1x HOBO® U26 Dissolved Oxygen Datalogger
- 1x 1/2 AA Lithium Battery (Installed)
- 1x Quick Start Guide
- 1x HOBOware® Software Download Information
- 1x BASE-U-4 Optical USB Base Station or U-DTW-1 Waterproof Shuttle (Not Included)
- HOBOware® Software for Windows and Mac (Downloadable)
- HOBO® U26 User Guide (Included with Device)

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Onset HOBO U24 Conductivity Data Loggers

Onset HOBO U24 Conductivity Data Loggers

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Onset HOBO U24 Conductivity Data Loggers

Onset HOBO U24 Conductivity Data Loggers

Onset HOBO U24 Conductivity Data Loggers

Onset HOBO U24 Conductivity Data Loggers

Onset HOBO U24 Conductivity Data Loggers

Onset HOBO U24 Conductivity Data Loggers

Onset HOBO U24 Conductivity Data Loggers

Onset HOBO U24 Conductivity Data Loggers

Onset HOBO U24 Conductivity Data Loggers

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HOBO U24: Intelligent Water Quality Monitoring in Any Environment

All-in-one solution for accurate measurement of conductivity, salinity and temperature in aquatic environments

These high-precision conductivity data loggers are a cost-effective way to collect water quality data. The HOBO U24-001 data logger records both conductivity and temperature measurements in streams, lakes and other freshwater sources. This data logger is recommended for monitoring aquifers for saltwater intrusion and runoff from roads or agricultural land.

The HOBO U24-002-C is a cost-effective data logger for measuring salinity, conductivity and temperature in saltwater environments with relatively small changes in salinity (± 5,000 µS/cm), such as saltwater bays, or for detecting salinity events such as surges, storms or discharges. It can also be used to collect salinity data for salinity compensation of HOBO U26 dissolved oxygen data.

This open-to-its-sensor product simplifies cleaning and maintenance. The non-contact HOBO sensor minimizes measurement errors related to changes. In addition, the data loggers feature software-based shift compensation.

Key Features

Non-contact sensor offers long life and fewer measurement shifts.
Provides easy access to the sensor for cleaning and air bubbles.
HOBOware Pro software allows start/end point calibration to compensate for any fouling and provides easy conversion to specific conductivity and salinity.
Optical USB interface offers high-speed, reliable data download in humid environments.
Compatible with the HOBO U-DTW-1 Waterproof Shuttle for easy and reliable data capture and transport.
Delrin housing does not corrode with sea salt.
Two user-selectable ranges provide measurements from 100 to 55,000 µS/cm for the Saltwater data logger.

In what environment does this data logger work?

It works in outdoor and underwater environments.

What measurements does this data logger support?

Supports conductivity/salinity and temperature.

Note: When monitoring salinity in waters with more than +/- 5,000 µS/cm variation, refer to the accuracy shown in Plot C in the product specifications to determine if the accuracy is acceptable for your needs. Monthly field calibration readings are generally required to achieve the best accuracy.

Specifications
In the Box
Required Items
Optional Items
Documents

Features	U24-001 (Freshwater)	U24-002-C (Saltwater)
Memory	18,500 temperature and conductivity measurements when using one conductivity range; 14,400 measurement sets when using both conductivity ranges (64Kbytes)	18,500 temperature and conductivity measurements when using one conductivity range; 14,400 measurement sets when using both conductivity ranges (64Kbytes)
Sampling Frequency	1 second to 18 hours, fixed or multiple sampling type with up to 8 user-defined sampling intervals
Maximum Depth	70 m
Operating Range	-2 to 36°C (28 to 97°F) - non-freezing
Calibrated Range	Low Conductivity Range: 0 to 1,000 µS/cm; Full Range: 0 to 10,000 µS/cm	High Range: 5,000 to 55,000 µS/cm Low Range: 100 to 10,000 µS/cm Over the Range of 5 to 35°C (41 to 95°F)
Response Time	1 second to 90% change
Weight	193 g
Dimensions	3.18 cm diameter x 16.5 cm, with 6.3 mm mounting hole
Measurements	-	Actual Conductivity, Temperature, Specific conductance at 25°C (calculated), salinity (calculated using PSS-78, Practical Salinity Scale 1978)
Temperature Measurement Range	-	5 to 35°C (41 to 95°F)

1x HOBO U24 Conductivity Data Logger.

Software

HOBOware Pro CD or USB Drive Software (USB Cable included)
HOBOware Pro Software - Mac/Win (Download only)

Communications

Onset USB Optical Base Station for HOBO.
Onset Waterproof Shuttle for HOBO.

Note: A USB cable is included with the purchase of HOBOware Pro CD software or USB Software purchase.

Accessories

Replacement Coupler for U20L, U22, U24 and U26 Data Loggers.
Package of 5 Communication Window Protective Caps for Replacement of U22 and U24 Data Loggers.
U2X Protective Housing.
Well Cap.
Certificate of Compliance.
91 m 1.5 mm Stainless Steel Cable.
15 m 1.5 mm Stainless Steel Cable.

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Onset USB Station for Pendant Optic

Onset USB Station for Pendant Optic

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Onset Data Logger for HOBO UX120 Four Channel Thermocouples

Onset Data Logger for HOBO UX120 Four Channel Thermocouples ²⁶

$ 375.00 USD

Onset Data Logger for HOBO UX120 Four Channel Thermocouples

Onset Data Logger for HOBO UX120 Four Channel Thermocouples

Onset Data Logger for HOBO UX120 Four Channel Thermocouples

Onset Data Logger for HOBO UX120 Four Channel Thermocouples ²⁶

Onset Data Logger for HOBO UX120 Four Channel Thermocouples

Onset Data Logger for HOBO UX120 Four Channel Thermocouples

Onset Data Logger for HOBO UX120 Four Channel Thermocouples

Onset Data Logger for HOBO UX120 Four Channel Thermocouples ²⁶

Onset Data Logger for HOBO UX120 Four Channel Thermocouples ²⁶

$ 375.00 USD

HOBO® UX120 Thermocouple Data Logger Four Channels

4-channel temperature data logger with LCD display, precise measurement, and large data storage capacity. Compatible with J, K, T, E, R, S, B, and N probes for industrial and laboratory applications.

The HOBO UX120 Thermocouple Data Logger is a four-channel LCD data logger designed to measure and record temperature across a wide range of monitoring applications. It can accept up to four thermocouple probes of types J, K, T, E, R, S, B, or N.

In addition to accepting four thermocouple probes, the logger includes an internal temperature sensor to record ambient temperature, further expanding its range of applications.

Onset also offers a single-channel thermocouple data logger, the HOBO UX100-014M.

Key Features

Easy-to-read LCD display confirms logger operation and battery status.
Near real-time readings of current temperatures, along with minimum, maximum, average, and standard deviation statistics.
On-screen alarms notify when temperatures exceed high or low limits.
Large memory capacity capable of storing up to 1.6 million measurements.
Start, stop, and reset buttons.
User-upgradeable firmware.
Optional protective enclosure for outdoor use.
Compatible with HOBOware and HOBOware Pro software for setup, graphing, and data analysis.

Environment: indoor.

Supported measurements: temperature.

Specifications
In the Box
Required Items
Optional Items
Documents

Operating Range (Temperature Sensor)	-20° to 70°C (-4° to 158°F)
Accuracy (Temperature Sensor)	0.21 °C from 0 ° to 50 °C (± 0.38 °F from 32 ° to 122 °F)
Resolution (Temperature Sensor)	0.024 °C at 25 °C (0.04 °F at 77 °F)
Stability (Drift)	<0.1 °C (0.18 °F) per year
Operating Range (Logger)	-20 ° to 70 °C (-4 ° to 158 °F), 0 to 95% RH (non-condensing); logger accuracy from 0 ° to 50 °C (32 ° to 122 °F)
Reading Range (Logger)	0 ° to 50 °C (32 ° to 122 °F) per USB specification
Logging Rate	1 second to 18 hours, 12 minutes, 15 seconds
Logging Modes	Normal, burst, or statistical
Battery	Two 1.5 V AAA alkaline batteries
Memory	4 MB (1.6 million measurements, maximum)
LCD	Visible from 0 ° to 50 °C; may respond slowly or go blank outside this range
Memory Modes	Wrap when full or stop when full
Dimensions	10.8 x 5.41 x 2.54 cm
Weight	107.5 g
Environmental Rating	IP50
CE Marking	Complies with all relevant EU directives

- 1x HOBO® UX120 Thermocouple Data Logger Four Channels
- 1x Command™ Strip
- 2x 1.5 V AAA alkaline batteries
- 1x Hook-and-loop strap
- 1x Hook-and-loop strap
- Thermocouples for HOBO® Data Logger
- 1x HOBOware Pro software CD or USB (USB cable included)
- 1x HOBOware Pro software – Mac/Win (download only)
- 1x USB cable
- 1x Protective case for Thermocouple Data Logger
- 1x Certificate of Conformity
- 1x NIST-Traceable Certification Setup Fee
- 1x Pelican Case
- 1x Thermocouples for HOBO Data Logger
- User Manual (English)
- Technical Specifications (English)

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Onset Direct Read Cable

Onset Direct Read Cable

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Onset Water Level Sensor Module for RX3000

Onset Water Level Sensor Module for RX3000

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Onset HOBO Soil Moisture Sensors

Onset HOBO Soil Moisture Sensors

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Onset Smart Temperature / RH Sensors HOBO

Onset Smart Temperature / RH Sensors HOBO

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Onset Thermocouples for HOBO® Data Logger

Onset Thermocouples for HOBO® Data Logger ²⁶

$ 32.00 USD

Onset Thermocouples for HOBO® Data Logger

Onset Thermocouples for HOBO® Data Logger

Onset Thermocouples for HOBO® Data Logger

Onset Thermocouples for HOBO® Data Logger

Onset Thermocouples for HOBO® Data Logger

Onset Thermocouples for HOBO® Data Logger

Onset Thermocouples for HOBO® Data Logger ²⁶

$ 32.00 USD

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Onset Data Logger HOBO Temperature and Relative Humidity UX100

Onset Data Logger HOBO Temperature and Relative Humidity UX100

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Onset HOBO® UX120 Four-Channel Analog Data Logger

Onset HOBO® UX120 Four-Channel Analog Data Logger

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Onset HOBO® UX120 Four-Channel Analog Data Logger

Onset HOBO® UX120 Four-Channel Analog Data Logger

Onset HOBO® UX120 Four-Channel Analog Data Logger

Onset HOBO® UX120 Four-Channel Analog Data Logger

Onset HOBO® UX120 Four-Channel Analog Data Logger

Onset HOBO® UX120 Four-Channel Analog Data Logger

Onset HOBO® UX120 Four-Channel Analog Data Logger

Onset HOBO® UX120 Four-Channel Analog Data Logger

Onset HOBO® UX120 Four-Channel Analog Data Logger

Onset HOBO® UX120 Four-Channel Analog Data Logger

Onset HOBO® UX120 Four-Channel Analog Data Logger

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Onset HOBO U12 Temperature, Relative Humidity and Light Data Loggers

Onset HOBO U12 Temperature, Relative Humidity and Light Data Loggers

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Onset Remote Weather Station (Console) HOBO RX3000

Onset Remote Weather Station (Console) HOBO RX3000

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Onset Remote Weather Station (Console) HOBO RX3000

Onset Remote Weather Station (Console) HOBO RX3000

Onset Remote Weather Station (Console) HOBO RX3000

Onset Remote Weather Station (Console) HOBO RX3000

Onset Remote Weather Station (Console) HOBO RX3000

Onset Remote Weather Station (Console) HOBO RX3000

Onset Remote Weather Station (Console) HOBO RX3000

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The HOBO RX3000, Onset’s most flexible remote data logging station, provides instant access to site-specific...

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Onset Weather Station HOBO U30 NRC

Onset Weather Station HOBO U30 NRC

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Onset Photosynthetic Light (PAR) Smart Sensor

Onset Photosynthetic Light (PAR) Smart Sensor

$ 220.00 USD

Onset Solar Radiation (Silicon Pyranometer) Smart Sensor

Onset Solar Radiation (Silicon Pyranometer) Smart Sensor

$ 210.00 USD

Onset Smart Barometric Pressure Sensor

Onset Smart Barometric Pressure Sensor

$ 249.00 USD

Onset Rain Gauge (2m cable) Smart Sensors

Onset Rain Gauge (2m cable) Smart Sensors

$ 446.50 USD

HOBO Weather Station Tripod Kits

HOBO Weather Station Tripod Kits

a partir de $ 260.00 USD

HOBO U30 USB Weather Station Starter Kit

HOBO U30 USB Weather Station Starter Kit ²⁵

$ 2,170.50 USD

HOBO U30 USB Weather Station Starter Kit

HOBO U30 USB Weather Station Starter Kit

HOBO U30 USB Weather Station Starter Kit

HOBO U30 USB Weather Station Starter Kit

HOBO U30 USB Weather Station Starter Kit

HOBO U30 USB Weather Station Starter Kit

HOBO U30 USB Weather Station Starter Kit ²⁵

$ 2,170.50 USD

Purchase this station separately

Standard 6-Meter Malaise Trap Model 3012 for Insect Sampling

Double-head fly trap with dry and wet collection options

The Standard 6-Meter Malaise Trap Model 3012 was developed by Drs. Gressitt and Gressitt (1962) and distributed worldwide for over 20 years. Its body is made from UV-resistant polyester, and double or triple-reinforced seams ensure durability. The double heads allow for dry or wet collection depending on the need.

Highlighted Features

Interchangeable double collection head for dry or wet capture.
UV-resistant polyester fabric for long-term outdoor use.
Double or triple-reinforced seams for maximum durability.
Intercepting deflector of 2.6 m × 4.5 m to channel insects.
Optional acrylic alcohol collection heads for specialized wet capture.
Proven technology since 1962, used globally for over two decades.

Specifications
In the Box
Required Items
Optional Items
Documents

Total Length	6 m
Material	UV-resistant polyester
Seams	Double or triple-reinforced
Deflector	2.6 m × 4.5 m
Heads	Dry and wet double
Approximate Weight	3.5 kg
Origin	Design Gressitt & Gressitt, 1962

- 1x Standard 6-meter Malaise Trap Model 3012.
- 1x Heavy-duty fixation cord.
- 2x Dry/wet collection heads (P/N 5.10).
- 1x Instruction manual.
- Monopod or pole support to elevate the trap.
- Stakes to secure the deflector to the ground.
- Basic tools (scissors, pliers) for assembly.
- Acrylic alcohol collection heads (P/N 5.20).
- Stabilizing tripod for uneven terrain.
- Foam-padded transport bag.
- Fabric and seam repair kit.
- Model 3012 Manual (PDF)

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HOBOware Pro Mac/Win Data Logger Software

HOBOware Pro Mac/Win Data Logger Software

$ 99.00 USD

HOBOware Pro Mac/Win Data Logger Software

HOBOware Pro Mac/Win Data Logger Software

$ 99.00 USD

Put your data to productive use with HOBOware® Pro software. Plot or export data to spreadsheets to conduct analysis necessary for your project. HOBOware® Pro is easy to set up and its intuitive, point-and-click interface makes it simple to run. This data logging application is compatible with all HOBO data loggers and wireless data nodes.

*Note: HOBOware data logger software must be purchased one license per computer. See License Agreement for more details.

Specifications
In the Box
Required Items
Optional Items

- Easy logger setup and readout
- Powerful graphing and analysis tools
- Easy file management
- Presentation-quality graphics
- CD, 1 license(1)
- USB cable (1)
- Manual
- HOBO Data Loggers
None

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