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Hanna Edge® pH/ORP Meter

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Hanna Edge® pH/ORP Meter

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Edge® pH/ORP Meter: Precision Technology in a Tablet Design

Lightweight, powerful, and versatile, the Edge® Meter redefines pH and ORP measurement with advanced functions in an ultra-slim design.

The Edge® pH/ORP dedicated meter combines the advanced functionality of a laboratory instrument with the portability of a tablet-style design. Thanks to its intelligent diagnostic system and compatibility with digital electrodes, it ensures accurate and reliable results at all times. Designed for scientists, technicians, and demanding professionals, this meter enables reliable measurements in the field or laboratory with an intuitive interface and multiple connectivity options.

Key Features:

Ultra-Slim and Portable Design: Tablet-style unit that combines advanced functionality with portability.
Smart Digital Electrodes: Built-in microchip stores calibration information.
CAL Check Function: Diagnostic during calibration that detects potential electrode problems.
Continuous Sensor Check: Real-time detection of breaks or failures in the electrode and reference junction.
Dual USB Ports: Easily export data or charge the device via standard or micro-USB.
Extensive Data Logging: Stores up to 1000 readings with GLP information.
Basic and Advanced Operation Modes: Adapt it to your needs based on user level.
Rechargeable Battery: Up to 8 hours of continuous use on a single charge.

Specifications
In the Box
Required Items
Optional Items
Documents

Parameter	Value
pH Range	-2.000 to 16.000 (Standard Mode), -2.00 to 16.00 (Basic Mode)
pH Resolution	0.001 / 0.01 pH
pH Accuracy	±0.002 / ±0.01 pH
pH Calibration	Up to 5 points (standard mode), 3 points (basic mode)
Temperature Compensation	ATC: -5.0 to 100.0 °C (23.0 to 212.0 °F)
mV Range	±1000.0 mV; ±2000.0 mV
mV Resolution / Accuracy	0.1 mV / ±1000.0 mV; ±2000.0 mV
mV Calibration	1 point
Temperature Range	-20.0 to 120.0 ºC / -4.0 to 248.0 ºF
Temperature Resolution / Accuracy	0.1 °C / ±0.5 °C
Electrode Diagnostics	Glass and reference junction (HI11311 & HI12301)
GLP	Yes
Logging Capacity	Up to 1000 readings (manual, by stability, or at intervals)
Connectivity	1 micro-USB port, 1 standard USB port
Environmental Conditions	0 to 50 °C, max RH 95% non-condensing
Battery	Rechargeable, up to 8 hours of continuous use
Power Supply	5 VDC adapter (included)

- x1 Edge® pH/ORP Meter
- x1 5 VDC Power Adapter
- x1 Measurement Stand and Base
- x1 User Manual
- Compatible digital pH electrode (e.g., HI11311 or HI12301)
- Compatible ORP electrodes
- Electrode storage solution
- Carrying case
- Technical Datasheet

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Hanna Instruments® Model 9829 Meters ²⁶

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Hanna Instruments® Model 9829 Meters ²⁶

$ 3,777.90 USD

Advanced Waterproof Multiparameter Meter with GPS for Water Quality Monitoring - HI9829

High-precision portable device that measures up to 14 water quality parameters, with integrated GPS option, ideal for environmental, field, and laboratory applications.

The HI9829 is a waterproof portable logging multiparameter meter that monitors up to 14 different water quality parameters. The microprocessor based multi-sensor probe allows for the measurement of key parameters including pH, ORP, conductivity, dissolved oxygen, turbidity, ammonium, chloride, nitrate, and temperature. The probe transmits readings digitally with options to log data while disconnected from the meter. An optional GPS provides location tracking of measurements. The complete system is simple to setup and easy to use. The HI9829 is highly customizable and supplied with all necessary accessories, packaged in a durable carrying case.

Optional GPS provides location tracking of measurements.
Color coded, field replaceable sensors.
Great for environmental, field, and laboratory testing.

Built-in GPS Receiver

12 channel GPS receiver and antenna.
Tracks location using satellites to within 30 feet.
Latitude and longitude recorded with readings.
Location naming for GPS coordinates.
Distance from current location to the stored location.
Hi929829 multiparameter water quality meter software supplied integrates data collected with *Google™ maps.
Measurement readings including GPS coordinates, date and time, named locations and remarks sample number.

*Google™ maps is a registered trademark of Google™, Inc. HANNA Instruments® has no affiliation with Google™.

Two probes to choose from (Basic or Logging)

The HI7609829 (basic) and HI7629829 (logging) are multiparameter probes for use with the HI9829 portable meter. It is an option to choose which probe will be supplied with the HI9829. By default, the HI9829 and the corresponding probe will be supplied with a pH/ORP, conductivity and dissolved oxygen sensors. Either probe can be upgraded to measure turbidity with a turbidity/conductivity sensor.

HI7609829 Basic Probe	HI7629829 Autonomously Logging Probe
Digital probe that is less than 2 inches in diameter. 3 color-coded sensor inputs. IP68 rating for continuous immersion in water. Multistrand –multiconductor cable rated for 150 lbs (intermittent use). Available with 4, 10, or 20-meter cable. Weighted shield protects all sensors.	Same as basic probe but with logging capability. Logs data independent of HI9829 meter. Operates on 4 “AA” batteries for up to 70 days. Stores up to 140,000 single parameter readings or 35,000 for all parameters. Logs data from 1 second to 3 hours. Choose to be supplied with EC or EC/Turbidity sensor. Supplied with USB cable for direct connection to Window’s compatible PC. All channels logging at 10-minute intervals with no averaging.

HI7609829 Basic Probe

HI7629829 Autonomously Logging Probe

Digital probe that is less than 2 inches in diameter.
3 color-coded sensor inputs.
IP68 rating for continuous immersion in water.
Multistrand –multiconductor cable rated for 150 lbs (intermittent use).
Available with 4, 10, or 20-meter cable.
Weighted shield protects all sensors.

Same as basic probe but with logging capability.
Logs data independent of HI9829 meter.
Operates on 4 “AA” batteries for up to 70 days*.
Stores up to 140,000 single parameter readings or 35,000 for all parameters.
Logs data from 1 second to 3 hours.
Choose to be supplied with EC or EC/Turbidity sensor.
Supplied with USB cable for direct connection to Window’s compatible PC.

*All channels logging at 10-minute intervals with no averaging.

The HI7609829 (logging) is a multiparameter pH/ISE/EC/DO/Turbidity/Temperature probe for use with the HI9829 portable meter. Sensors are automatically recognized by the probe and meter when connected. Sensor replacement is quick and easy with field replaceable, screw type connectors that are color-coded for easy sensor identification. The probe features a multistrand-multiconductor shielded cable with 4m, 10m, and 20m lengths available. It’s rugged, waterproof design makes it ideal for field use. The probe is suitable for installation in confined locations such as air vaults, river intakes, vertical wells, tanks, etc.. The streamline diameter of the probe permits insertion into 2" pipelines. Unlike probes that require a cable support for active deployment, this probe can be manually lowered and raised by the cable due to its superior strength rating. It is suitable for installation in open moving waters; rivers, streams, ditches (farmland drainage), conveyance canals, and more. In these cases protecting the probe from debris is important. The HI7609829 may be deployed in open waters; monitoring lakes, ponds, wetland basin, infiltration basins, and bays and is suitable for measurements in a flow cell.

Specifications
In the Box
Documents

Product Name	Waterproof Multiparameter Meter for pH / ISE / EC / DO / Turbidity with GPS Option - HI 9829
pH Range	0.00 to 14.00 pH
pH Resolution	0.01 pH
pH Accuracy	±0.02 pH
pH Calibration	Automatic at one, two or three points with automatic recognition of five standard solutions (pH 4.01, 6.86, 7.01, 9.18, 10.01) or a custom standard
ORP Range	±2000 mV
ORP Resolution	0.1 mV
ORP Accuracy	±1.0 mV
ORP Calibration	Automatic at one custom point (relative mV)
mV Range	±600.0 mV
mV Resolution	0.1 mV
mV Accuracy	±0.5 mV
EC Range	0 to 200 mS/cm (Absolute EC up to 400 mS/cm)
EC Resolution	Manual: 1 µS/cm: 0.001 mS/cm, 0.01 mS/cm, 0.1 mS/cm, 1 mS/cm; Automatic: 1 µS/cm from 0 to 9999 µS/cm, 0.01 mS/cm from 10.00 to 99.99 mS/cm, 0.1 mS/cm from 100.0 to 400.0 mS/cm
EC Accuracy	± 1% of reading or ± 1 µS/cm, whichever is greater
EC Calibration	Automatic at a single point, with six standard solutions (84 µS/cm, 1413 µS/cm, 5.00 mS/cm, 12.88 mS/cm, 80.0 mS/cm, 111.8 mS/cm) or a custom point
TDS Range	0 to 400000 ppm (mg/L); (maximum value depends on TDS factor)
TDS Resolution	Manual: 1 mg/L (ppm); 0.001 g/L (ppt); 0.01 g/l (ppt); 0.1 g/L (ppt); 1 g/L (ppt); Automatic: 1 mg/L (ppm) from 0 to 9999 mg/L (ppm), 0.01 g/L (ppt) from 10.00 to 99.99 g/L (ppt), 0.1 g/L (ppt) from 100.0 to 400.0 g/L (ppt)
TDS Accuracy	± 1% of reading or ± 1 ppm (mg/L), whichever is greater
TDS Calibration	Based on conductivity or salinity calibration
Salinity Range (PSU)	0.00 to 70.00 PSU
Salinity Resolution (PSU)	0.01 PSU
Salinity Accuracy (PSU)	± 2% of reading or ± 0.01 PSU whichever is greater
Salinity Calibration (PSU)	Based on conductivity calibration
Salinity Range (Seawater Sigma)	0.0 to 50.0 σt, σ₀, σ₁₅
Salinity Resolution (Seawater Sigma)	0.1 σt, σ₀, σ₁₅
Salinity Accuracy (Seawater Sigma)	±1 σt, σ₀, σ₁₅
Salinity Calibration (Seawater Sigma)	Based on conductivity or salinity calibration
Resistivity Range	0 to 999999 Ω•cm; 0 to 1000.0 kΩ•cm; 0 to 1.0000 MΩ•cm
Resistivity Resolution	Dependent on resistivity reading
Resistivity Calibration	Based on conductivity calibration
Dissolved Oxygen Range	0.0 to 500.0%; 0.00 to 50.00 ppm (mg/L)
Dissolved Oxygen Resolution	0.1%; 0.01 ppm (mg/L)
Dissolved Oxygen Accuracy	0.0 to 300.0 % : ± 1.5 % of reading or ± 1.0 % whichever is greater; 300.0 to 500.0 %: ± 3 % of reading; 0.00 to 30.00 ppm: ± 1.5 % of reading or 0.10 ppm, whichever is greater; 30.00 ppm to 50.00 ppm : ± 3 % of reading
Dissolved Oxygen Calibration	Automatic at one or two points at 0 and 100% or a custom point
Turbidity Range	0.0 to 99.9 FNU; 100 to 1000 FNU
Turbidity Resolution	0.1 FNU from 0.0 to 99.9 FNU, 1 FNU from 100 to 1000 FNU
Turbidity Accuracy	± 0.3 FNU or ± 2% of reading, whichever is greater
Turbidity Calibration	Automatic at 1, 2 or 3 points at 0, 20 and 200 FNU, or custom
Temperature Range	-5.00 to 55.00 °C, 23.00 to 131.00 °F, 268.15 to 328.15 K
Temperature Resolution	0.01 K, 0.01 °C, 0.01 °F
Temperature Accuracy	±0.15 °C; ±0.27 °F; ±0.15 K
Temperature Calibration	Automatic at one custom point
Temperature Compensation	Automatic from -5 to 55 °C (23 to 131 °F)
Ammonium Range	0.02 to 200.0 ppm (as NH4+-N)
Ammonium Resolution	0.01 ppm to 1 ppm, 0.1 ppm to 200.0 ppm
Ammonium Accuracy	± 5% of reading or 2 ppm
Ammonium Calibration	1 or 2 points, 10 ppm and 100 ppm
Chloride Range	0.6 to 200.0 ppm Cl (as Cl- )
Chloride Resolution	0.01 ppm to 1 ppm, 0.1 ppm to 200.0 ppm
Chloride Accuracy	± 5% of reading or 2 ppm
Chloride Calibration	1 or 2 points, 10 ppm and 100 ppm
Nitrate Range	0.62 to 200.0 ppm Ni (as NO3--N)
Nitrate Resolution	0.01 ppm to 1 ppm, 0.1 ppm to 200 ppm
Nitrite Accuracy	± 5% of reading or 2 ppm
Nitrate Calibration	1 or 2 points, 10 ppm and 100 ppm
Log Memory	44,000 records (continuous logging or on-demand for all parameters)
Storage Interval	One second to three hours
USB Connectivity	With HI929829 software
Battery Type/Duration	Rechargeable batteries, size C 1.2V NiMH (4); Up to 140 hours depending on configuration
IP Protection	IP67
Environment	0 to 50°C (32 to 122°F); Max RH 100%
Dimensions	221 x 115 x 55 mm (8.7 x 4.5 x 2.2”)
Weight	750 g (26.5 oz.)
GPS	12-channel receiver with 10 m (30 ft) accuracy
Atmospheric Pressure Range	450 to 850 mm Hg; 17.72 to 33.46 in Hg; 600.0 to 1133.2 mbar; 8.702 to 16.436 psi; 0.5921 to 1.1184 atm; 60.00 to 113.32 kPa
Atmospheric Pressure Resolution	0.1 mm Hg; 0.01 in Hg; 0.1 mbar; 0.001 psi; 0.0001 atm; 0.01 kPa
Atmospheric Pressure Accuracy	± 3 mm Hg within ± 15% from calibration point
Atmospheric Pressure Calibration	Automatic at one custom point

1x HI 710140 Hard Case.
1x HI 7612 VDC Adapter.
1x HI 7698292 Probe Maintenance Kit.
1x HI 929829 PC Application Software.
1x HI 7698291 USB Cable (PC to meter).
1x HI 710045 Power Cable.
1x HI 710046 Cigarette Lighter Power Cable.
1x HI9829-25 Quick Calibration Solution.
1x HI 920005 iButton with holder.
1x HI7609829-1 pH/ORP Sensor.
1x HI 7609829-2 Galvanic DO Sensor.
1x HI 7609829-3 EC Sensor.
1x HI 7698290 Short Calibration Beaker.
1x HI7698295 Short Weighted Guard.
1x NiMH "C" Rechargeable Batteries.
1x 12VDC Power Adapter.
1x Instruction Manual.

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Hanna Portable Bluetooth Multiparameter Meter pH/EC/DO/ORP ²⁶

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Hanna Portable Bluetooth Multiparameter Meter pH/EC/DO/ORP ²⁶

$ 1,963.50 USD

Hanna HI 98494 Waterproof Multiparameter Meter with Bluetooth Connectivity

Monitor Water Quality with Professional Precision Measuring 12 Parameters via Optical Dissolved Oxygen Technology. Transfer Real-Time Data and Manage Records Wirelessly with Bluetooth 5.0 Connectivity.

This functional and precise meter is capable of measuring 12 different water quality parameters using pH, Electrical Conductivity, and Optical Dissolved Oxygen sensors. Transfer, review, and share information to an electronic device using the integrated Bluetooth connection and the Hanna Lab app.

The HI 98494 allows for viewing parameters on a high-contrast backlit LCD screen. Measurements are automatically compensated for variations in temperature, pressure, and salinity, ensuring accurate results in any environmental condition. Its robust design features a dual power system with a rechargeable lithium-ion battery and AA alkaline battery backup.

Measurement:

The HI 98494 allows you to display from 1 to 12 parameters on the high-contrast backlit LCD screen. pH, EC, and DO measurements are automatically compensated for temperature variations. Dissolved Oxygen is automatically compensated for changes in pressure and salinity.

Data Logging:

The HI 98494 can log data from a single sample or perform continuous logging at specific time intervals. All records have the option to be stored in a batch with a name and comments. This information provides meaningful data, including notes on local environmental conditions.

Bluetooth® 5.0 Connectivity

The HI 98494 offers the possibility to connect wirelessly to a smart device using the Hanna Lab application. Through the app, it is possible to send records via email or download them directly for review.

Key Features

Maximum Field Durability: Features IP67 waterproof certification for the meter and IP68 for the probe.
Superior Storage Capacity: Performs automatic logging of up to 45,000 samples with localized comment options.
Smart Data Management: Bluetooth 5.0 wireless connection to share files in CSV or PDF format via email.
Optical Sensor Technology: Uses Smart Caps with RFID sensors that store calibration coefficients and alert when replacement is needed.
Quick and Efficient Calibration: Allows for simultaneous single-point calibration of pH, conductivity, and dissolved oxygen.
Versatile Connectivity: USB Type-C port for data transfer to PC and charging the integrated lithium battery.

Specifications
In the Box
Optional Items
Documents

Measured Parameters	12 Parameters (pH, EC, DO, Temp, etc.)
Protection Certification	IP67 (Meter) / IP68 (Probe)
Logging Memory	45,000 Samples
Connectivity	Bluetooth 5.0 and USB Type-C
Power Source	Rechargeable Lithium Battery and AA Batteries
Oxygen Sensor	Digital Optical Technology

- 1x Portable Multiparameter Meter.
- 1x pH Sensor.
- 1x EC Sensor.
- 1x Optical DO Sensor.
- 1x Probe Protective Body.
- 1x Quick Calibration Solution.
- 1x Zero Oxygen Solution.
- 1x Maintenance Kit.
- 1x USB Type-C Cable.
- 1x Beaker.
- 4x AA Batteries.
- 1x Instruction Manual.
- 1x Replacement Battery Pack.
- User Manual (English).
- Technical Specifications (English).

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Hanna Professional Multi-Parameter Waterproof Meter pH / ORP / EC / DO ²⁵

$ 1,770.99 USD

Hanna Professional Multi-Parameter Waterproof Meter pH / ORP / EC / DO ²⁵

$ 1,770.99 USD

Hanna Professional Waterproof Multiparameter Meter for Advanced Water Quality Monitoring

A rugged, field-ready solution that tracks up to 12 water quality parameters with laboratory precision, designed to deliver noise-free data in the most demanding aquatic environments.

The Hanna Professional Multiparameter Meter is an elite portable system engineered for comprehensive water analysis in lakes, rivers, and oceans. Built to withstand extreme field conditions, the meter features an IP67-rated waterproof housing while the multisensor digital probe carries an IP68 rating for submersion. This intelligent system monitors 6 measured and 6 calculated parameters—including pH, ORP, conductivity, and dissolved oxygen—using a microprocessor-driven probe that ensures noise-free data transmission over distances up to 100 meters. With its backlit dot-matrix display and intuitive interface, environmental professionals can easily visualize complex data through on-screen graphics, making it the definitive choice for accurate, real-time aquatic monitoring.

Key Features

Comprehensive Parameter Tracking: Monitors 12 critical water quality indicators including pH, EC, DO, and salinity.
Advanced Digital Communication: Digital probe technology provides noise-free, stable data transmission up to 100 meters.
Rugged Environmental Protection: IP67 rated meter and IP68 rated probe designed for heavy field use in freshwater and seawater.
Intelligent Sensor System: Features automatic sensor recognition and color-coded, field-replaceable sensors for easy maintenance.
Smart Environmental Compensation: Automatic barometric pressure and temperature compensation ensure accuracy in changing climates.
Massive Data Logging: Stores up to 45,000 logs with programmable intervals from one second to three hours.

Specifications
In the Box
Optional Items
Documents

pH Range / Resolution	0.00 to 14.00 pH / 0.01 pH
pH Accuracy	±0.02 pH
mV Range / Accuracy	±600.0 mV / ±0.5 mV
ORP Range / Accuracy	±2000.0 mV / ±1.0 mV
Conductivity (EC) Range	0 to 200.0 mS/cm (absolute up to 400.0 mS/cm)
EC Accuracy	±1% of reading or ±1 µS/cm
TDS Range	0 to 400.0 ppt (g/L)
Salinity Range	0.00 to 70.00 PSU
Dissolved Oxygen Range	0.0 to 500.0% / 0.00 to 50.00 ppm (mg/L)
Atmospheric Pressure Range	450 to 850 mm Hg (multiple units available)
Temperature Range	-5.00 to 55.00°C (23.00 to 131.00°F)
Memory Logging	45,000 logs (continuous or on-demand)
Battery Life	~360 hours continuous use (no backlight)
Protection Rating	Meter: IP67 / Probe: IP68
Probe Depth	Maximum 20 m (66')

- 1x Professional Multiparameter Meter
- 1x HI7698194 Digital Probe
- 1x pH Sensor
- 1x EC Sensor
- 1x DO Sensor
- 1x Electrolyte Solution
- 5x DO Membrane Caps
- 5x Grease Syringes for O-ring lubrication
- 1x Hanna PC Software
- 1x Micro USB Cable
- 4x 1.5V AA Batteries
- 1x Durable Carrying Case
- 1x User Manual
- 1x Quick Start Guide
- 1x Quality Certificate
- pH 7.01 Solution (500 ml)
- pH 4.01 Solution (500 ml)
- pH 10.01 Solution (500 ml)
- General Use Cleaning Solution (500 ml)
- Storage Solution (500 ml)
- Installation Manual (English)
- Technical Specifications Manual (Spanish)

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Hanna Refillable pH Electrode with PEI Body and DIN Connector

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Hanna Refillable pH Electrode with PEI Body and DIN Connector

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HI1332D pH Electrode: Accuracy and Durability for Demanding Applications

Designed for professionals working in the field, chemical laboratories, or quality control. The HI1332D offers Special DIN connectivity and reliable performance even under challenging conditions.

The HI1332D pH Electrode with Special DIN Connection is designed to provide accurate and stable measurements in a wide range of chemical, field, and quality control applications. Its double junction reference, durable PEI body, and spherical tip design make it ideal for demanding environments. This electrode is compatible with pH meters that incorporate the CAL CHECK system, offering a robust solution for users who require reliable data with low maintenance.

Key Features:

Double Junction Design: Minimizes electrode contamination, increasing lifespan and reading stability.
Special DIN Connection: Enables secure and stable connection with compatible equipment, ideal for professional environments.
PEI Body: Robust plastic material resists impacts and chemicals, ideal for field or laboratory use.
Single Ceramic Junction: Provides a stable electrolyte flow for consistent results.
Compatible with CAL CHECK: For self-calibration verification in pH meters that include this system.
Wide pH Range: Operates from pH 0 to 13, covering strong acids to alkaline solutions.
Compact and Practical: 1-meter coaxial cable with screw-type metal banana connector for reliable connection.

Specifications
In the Box
Required Items
Optional Items
Documents

Specification	Details
Reference	Double, Ag/AgCl
Junction / Flow	Single ceramic / 15-20 μL/h
Electrolyte	KCl 3.5M
Maximum Pressure	0.1 bar
pH Range	0 to 13
Operating Temperature	20 to 40 °C (68 to 104 °F)
Tip / Shape	Spherical (Ø 7.5 mm)
Temperature Sensor	No
Amplifier	No
Body Material	PEI
Cable	Coaxial; 1 m (3.3')
Connection	Special DIN with screw-type metal banana connector
Compatibility	pH meters with CAL CHECK system (not compatible with models using a threaded cap)

- x1 HI1332D pH Electrode with 1-meter cable
- pH meter compatible with CAL CHECK
- Electrode storage solution
- Calibration solutions (pH 4.01, 7.01, 10.01)
- Electrode cleaning kit
- Technical Datasheet

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Medidor portátil multiparámetro Bluetooth de pH/CE/Turbidez/OPDO

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Portable Multiparameter Bluetooth pH/EC/Turbidity/OPDO Meter

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Portable Multiparameter Bluetooth pH/EC/Turbidity/OPDO Meter

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Complete Water Analysis in the Palm of Your Hand: Precision and Connectivity in a Single Device

Measures pH, ORP, Turbidity, Conductivity, Dissolved Oxygen, and Temperature with Bluetooth® Technology for Real-Time Monitoring.

The HI98594 is a portable multiparameter logging system (meter and probe) that monitors up to 14 different water quality parameters (7 measured and 7 calculated), such as pH, ORP, turbidity, conductivity, dissolved oxygen, and temperature. The HI98594 features a backlit graphic display that automatically adjusts the digit size to fit the screen and allows on-screen graphing. Each parameter is fully configurable.

The HI98594 is designed to withstand harsh environmental conditions and is ideal for field measurements. The meter meets the IP67 standard (30 minutes immersion at a depth of 1 m) and the multisensor probe is fully sealed against water and dust, meeting the IP68 standard (continuous immersion in water). The meter incorporates a dual charging system, using a rechargeable lithium battery and backup alkaline batteries to extend its use in the field.

The meter can log data that is easily downloaded as a CSV file or graph using Bluetooth® wireless technology for the Hanna Lab app on iOS and Android devices, or to a PC via a USB type A to C cable.

Features

Rugged and waterproof meter with an impermeable probe.
Monitors up to 14 different water quality parameters.
Instant conductivity and turbidity measurements.
Field-replaceable sensors with automatic recognition (including optical technology for dissolved oxygen).
Integrated barometer for compensation of percent saturation and dissolved oxygen measurements.
Dual battery system for extended field use.
Good Laboratory Practice (GLP) function, which automatically stores the last 5 calibrations.
Backlit graphic display for viewing logged data.
On-demand data logging and automatic logging of all parameters.
Log file download:

Via Bluetooth® wireless technology to Hanna Lab.
To a USB type C memory.

USB-C interface for PC communication.
Remote firmware update.

The HI98594 can display 1 to 14 parameters on its high-contrast backlit LCD screen. pH, EC (electrical conductivity), and dissolved oxygen (DO) measurements are automatically compensated for temperature variations. Additionally, dissolved oxygen concentration measurements are automatically compensated for barometric pressure and salinity.

Data Logging

The HI98594 allows logging a single data point or performing continuous logging at selected time intervals. All logs can be stored in a named batch and allow adding observations. These functions facilitate the collection of meaningful data, including notes on local environmental conditions.

Dual Power Supply

The meter operates with a built-in lithium-ion battery. When the rechargeable battery is depleted, the meter automatically switches to 1.5 V AA alkaline batteries.

Quick Calibration

The Quick Calibration function allows for a quick one-point calibration for pH, conductivity, and dissolved oxygen. Standard calibration options are also available, including:

pH up to three points.
Conductivity at one point.
Turbidity using three provided standards.
Dissolved oxygen up to two points.

GLP Data

Calibration information is logged along with a timestamp and date. This includes calibration values and other relevant data that may affect measurements. GLP data is stored along with the logged data.

Bluetooth® 5.0 Connectivity and Hanna Lab App Compatibility

The HI98594 allows wireless connection with smart devices via the Hanna Lab App. Through the app, log batches can be emailed or downloaded for review.

Data Sharing

Logs can be shared as .CSV or PDF files.

GLP

Complete GLP (Good Laboratory Practice) data can be reviewed for all parameters when the logged data is downloaded to a smart device.

Unit Selection

When reviewing data on a smart device, there is an option to select the measurement units to be displayed regardless of the meter's configuration.

Data Graphing

For trend analysis, the Hanna Lab App offers the option to graph the logged data.

Multifunction Sensor

The HI7698594 is delivered with pre-installed sensors for pH/ORP, EC/Turbidity, and optical dissolved oxygen.

Quick Sensor Replacement

Sensor replacement is quick and easy thanks to field-replaceable screw-type connectors, color-coded for easy identification. These meters automatically recognize the connected sensors.

Smart Caps for Optical Dissolved Oxygen

The optical dissolved oxygen sensor uses a smart cap that features an RFID tag that stores unique calibration coefficients for each cap. The RFID tracks the cap's lifespan and alerts the user when it needs to be replaced.

Specifications
In the Box
Required Items
Optional Items
Documents

HI98594 Specifications

Parameter	Range	Resolution	Accuracy	Calibration
pH / mV	0.00 to 14.00 pH* / ±600.0 mV	0.01 pH / 0.1 mV	±0.02 pH / ±1.2 mV	One point using the quick calibration solution HI9828-20. Up to three points using standard buffers pH 4.01, pH 6.86, pH 7.01, pH 9.18, pH 10.01, and a custom buffer.
ORP	±2000.0 mV	0.1 mV	±1.0 mV	Automatic at a custom point (relative mV).
Dissolved Oxygen	0.0 to 500.0 % saturation 0.00 to 50.00 ppm (mg/L)	0.1 % saturation 0.01 ppm (mg/L)	±1.5 % of reading from 0.0 to 200.0 % saturation. ±5 % of reading from 200.0 to 500.0 % saturation. ±1.5 % of reading from 0.00 to 20.00 mg/L. ±5 % of reading from 20.00 to 50.00 mg/L.	One point in water-saturated air. One or two points at 100 % and 0 %. One point using a custom solution (% saturation or mg/L).
Pressure Compensation	Automatic from 450 to 850 mmHg

Parameter	Range	Resolution	Accuracy	Calibration
EC	0 to 200 mS/cm 0 to 400 mS/cm (absolute)	Manual: 1 μS/cm; 0.001 mS/cm; 0.01 mS/cm; 0.1 mS/cm; 1 mS/cm Automatic: 1 μS/cm from 0 to 9999 μS/cm 0.01 mS/cm from 10.00 to 99.99 mS/cm 0.1 mS/cm from 100.0 to 400.0 mS/cm Automatic (mS/cm): 0.001 mS/cm from 0.000 to 9.999 mS/cm 0.01 mS/cm from 10.00 to 99.99 mS/cm 0.1 mS/cm from 100.0 to 400.0 mS/cm	±1 % of reading or ±1 μS/cm, whichever is greater	One point using the quick calibration solution HI9828-20 One point using standard solutions of 84 μS/cm, 1413 μS/cm, 5.00 mS/cm, 12.88 mS/cm, 80.0 mS/cm, 111.8 mS/cm, or a custom point
Resistivity	0 to 999999 Ω·cm 0 to 1000.0 kΩ·cm 0 to 1.0000 MΩ·cm	1 Ω·cm 0.1 kΩ·cm 0.0001 MΩ·cm	-	Based on conductivity calibration

Parameter	Range	Resolution	Accuracy	Calibration
TDS	0 to 400000 ppm (mg/L) (maximum value depends on TDS factor)	Manual: 1 ppm (mg/L); 0.001 ppt (g/L); 0.01 ppt (g/L); 0.1 ppt (g/L); 1 ppt (g/L) Automatic: 1 ppm (mg/L) from 0 to 9999 ppm (mg/L) 0.01 ppt (g/L) from 10.00 to 99.99 ppt (g/L) 0.1 ppt (g/L) from 100.0 to 400.0 ppt (g/L) Automatic (ppt): 0.001 ppt (g/L) from 0.000 to 9.999 ppt (g/L) 0.01 ppt (g/L) from 10.00 to 99.99 ppt (g/L) 0.1 ppt (g/L) from 100.0 to 400.0 ppt (g/L)	±1 % of reading or ±1 ppm (mg/L), whichever is greater	Based on conductivity or salinity calibration
Salinity	0.00 to 70.00 PSU	0.01 PSU	±2 % of reading or ±0.01 PSU, whichever is greater	One point using a custom solution
Seawater Sigma	0.0 to 50.0 σ_t, σ₀, σ₁₅	0.1 σ_t, σ₀, σ₁₅	±1.0 σ_t, σ₀, σ₁₅	Based on conductivity or salinity calibration
Turbidity	0.0 to 99.9 FNU 100 to 1000 FNU	0.1 FNU from 0.0 to 99.9 FNU 1 FNU from 100 to 1000 FNU	±0.3 FNU or ±2 % of reading, whichever is greater	Automatic, up to three points using 0 FNU, 20 FNU, 200 FNU, or a custom solution

Parameter	Range	Resolution	Accuracy	Calibration
Atmospheric Pressure	450.0 to 850.0 mmHg 17.72 to 33.46 inHg 600.0 to 1133.2 mbar	0.1 mmHg 0.01 inHg 0.1 mbar	±3.0 mmHg within ±15 °C from calibration temperature	Automatic at a custom point
Temperature	−5.00 to 50.00 °C 23.00 to 122.00 °F 268.15 to 323.15 K	0.01 °C 0.01 °F 0.01 K	±0.15 °C ±0.27 °F ±0.15 K	Automatic at a custom point
Temperature Compensation		Automatic
Logging Memory		Interval logging: 50000 records On-demand logging (all parameters): 20000 records
Logging Interval		From 1 second to 3 hours
USB-C Functions (Host)		Mass storage host
USB-C Functions (Device)		Mass storage device
Protection	IP67
Environment	0 to 50 °C (32 to 122 °F); RH 100 %
Battery Type	4 AA 1.5 V alkaline batteries 1 internal rechargeable lithium-ion battery
Battery Life	≈ 126 hours 90 hours using AA alkaline batteries 36 hours using lithium-ion battery**
Dimensions	185 x 93 x 35.2 mm (7.3 x 3.6 x 1.4”)
Weight	435 g (13.3 oz)

HI7698594 Probe Specifications

Sensor Inputs	3 (pH or pH/ORP, EC or EC/Turbidity, DO)
Sample Environment	Fresh, brackish, and seawater
Waterproof Protection	IP68
Operating Temperature	−5.0 to 50.0 °C 23.0 to 122.0 °F
Storage Temperature	−20.0 to 70.0 °C −4.0 to 158.0 °F
Maximum Depth	20 m (66’)
Dimensions (without cable)	Length: 342 mm (13.5”) Diameter: 46 mm (1.8”)
Weight (without sensors)	570 g (20.1 oz)

- HI7698594: Multisensor probe
- HI7698296: Probe guard
- HI76984942: Probe maintenance kit
- HI7698194-1: pH/ORP sensor
- HI7698594-4: EC/Turbidity sensor
- HI7698594-5: Optical dissolved oxygen (DO) sensor
- HI764113-1: Smart cap for DO with o-ring
- HI7698293: Long calibration cup
- HI9828-25: Quick calibration standard solution (500 mL)
- HI7040: Zero oxygen solution set (120 mL)
- HI9829-16: 0 FNU calibration solution (230 mL)
- HI9829-17: 20 FNU calibration solution (230 mL)
- HI9829-18: 200 FNU calibration solution (230 mL)
- HI710034: Protective rubber cover
- HI920016: USB cable
- 1.5V AA alkaline batteries: 4 units
- Quality certificates (instrument, probe, smart cap for DO)
- Quick reference guide
- None
- None

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HI7698594 Probe Specifications

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