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Multiparameter Water Quality Field Instrument

Deadline: 2022-01-21


Withstand the harshest field conditions and handling, with maximum versatility and functionality.
Easy-to-read color and backlit display can be used in any lighting condition
Scratch-resistant screen is viewable with polarized glasses
Long-life rechargeable lithium-ion battery ensures reliability in the field and minimizes waste
Waterproof rubber over-molded casing
Simple interface and a dedicated “Help” Button
Ergonomic design for optimal handling and portability
Optional GPS for geo-referencing data
uses digital Smart Sensors for fast, easy setup and storage, and highest quality data.
Smart Sensors: any sensor in any port
Traceable calibrations stored in sensor — recalibration not required if moved to another port or another instrument
Highly-ruggedized, welded titanium sensor body
Sensors are auto-recognized upon installation
Replaceable sensor modules and ODO cap reduces maintenance and cost of operation
Store over 100,000 data sets, up to 100 sites, and 100 data tags to the Handheld
Store up to 400 calibration records
The user retrieves data anytime with a USB stick
Conduct real-time studies
Enhance data with site images

General Specifications

Auto Stable User-defined auto-stable function holds stable readings on display when criteria is met
Buffer Recognition Auto buffer recognition and temperature compensation for US and NIST buffers
Calibration Points 1, 2, or 3 point for pH, Turbidity, Ammonium, Nitrate, and Chloride; 1 or 2 point for DO; 1 point for ORP, Barometer, Conductivity, Specific Conductance, Salinity, and Depth
Certifications CE; RoHS; IP-67; WEEE; FCC; UN Part III, Section 38.3, Test methods for lithium-ion batteries (Class 9)
Connectivity Built-in micro USB; Cable for PC connection and cable for connection to USB memory stick are included
Data Management desktop software included; 100 user-defined Data ID tags and 100 Sites with GPS coordinates
Data Memory >100000 data sets (data, date, time, user-defined info); 100 files
Dimensions Handheld is 8.3 x 21.6 x 5.6 cm
Display Color, LCD graphic display; 3.9 x 6.5 cm
GLP Compliance Yes; 400 detailed GLP records can be stored and are available to view, download and print
GPS Optional internal GPS; coordinates are stored with measurement data and site lists
Languages English, Spanish, and French
Logging Modes Single Point or Continuous
Operating Temperature 0 to 50° C
Password Protection Calibration menu can be password protected to prevent unauthorized sensor calibration
Battery Rechargeable lithium-ion battery pack provides ~20 hours with the handheld, 4 port cable and 4 smart sensors; battery recharge time is ~9 hours with the AC power adapter
Storage Temperature 0 to 45° C with battery installed; 0 to 60° C without battery installed
Recalibration Prompt Provides reminder to recalibrate a ProDSS sensor after user-defined number of days
USB Port Built-in micro USB On-The-Go port for PC connection, recharging/powering the multiparameter instrument and connecting directly to a USB stick
Warranty 3-year; 2-year bulkhead, cable assembly, sensors; and ODO Extended Warranty cap; 1-year pH and pH/ORP sensor modules, ODO sensor caps, and Li-ion battery pack; 6-months ammonium, nitrate, and chloride sensor modules
Waterproof IP-67; floats

Sensor Specifications


Range: -5 to 70 °C (temperature compensation range for DO mg/L measurement: -5 C49to 50 °C)
Resolution: 0.1 °C or 0.1 °F (user selectable)
Accuracy: ±0.2 °C


Range: 0 to 14 pH units
Resolution: 0.01 pH units
Accuracy: ±0.2 pH units


Range: -1999 to 1999 mV
Resolution: 0.1 mV
Accuracy: ±20 mV

Dissolved Oxygen

Range: 0 to 500%, 0 to 50 mg/L
Resolution: 0.01 mg/L and 0.1%, or 0.1 mg/L and 1%
Accuracy: 0 to 200%: ±1% of reading or 1% saturation, whichever is greater 200 to 500%: ±8% of reading
0 to 20 mg/L: ±0.1 mg/L or 1% of reading, whichever is greater 20 to 50 mg/L: ±8% of reading


Range: 0 to 200 mS/cm
Resolution: 0.001, 0.01 or 0.1 μS/cm (range dependent)
Accuracy: 0 - 100 mS/cm: ±0.5% of reading or 0.001 mS/cm, whichever is greater 100 - 200 mS/cm: ±1.0% of reading

Specific Conductance

Range: 0 to 200 mS/cm
Resolution: 0.001, 0.01, 0.1 mS/cm
Accuracy: 0 - 100 mS/cm: ±0.5% of reading or 0.001 mS/cm, whichever is greater 100 - 200 mS/cm: ±1.0% of reading.
User selectable reference temperature (15 to 25 °C; default 25 °C) and compensation coefficient (0 to 4%/°C; default 1.91%)


Range: 0 to 4000 FNU
Resolution: 0.1 FNU
Accuracy: 0 to 999 FNU: 0.3 FNU or ±2% of reading, whichever is greater
1000 to 4000 FNU: ±5% of reading

Sensors needed

4 port cable with depth sensor; 20-meter cable (Quantity: up to 2).
ODO/CT cable with integral optical DO, conductivity, and temperature sensors; 20-meter cable (Quantity: up to 2).
Conductivity and Temperature Smart Sensor (Quantity: up to 2).
Turbidity Smart Sensor (Quantity: up to 2).
Optical dissolved oxygen (ODO) Smart Sensor with pre-installed sensor cap (Quantity: up to 2).
pH Smart sensor with pre-installed sensor module (Quantity: up to 2).
pH/ORP Smart sensor with pre-installed sensor module (Quantity: up to 2).


Conductivity standard, 1000 umhos/cm (quart) - (Quantity: up to 2).
Conductivity standard, 10000 umhos/cm (quart) - (Quantity: up to 2).
Conductivity standard, 100000 umhos/cm (quart) - (Quantity: up to 2).
2 pints each of 4, 7, and 10 pH buffers (Quantity: up to 2).
Turbidity standard, 0 FNU (1 gallon) - (Quantity: up to 2).
Turbidity standard, 12.4 FNU (1 gallon) - (Quantity: up to 2).
Turbidity standard, 124 FNU (1 gallon) - (Quantity: up to 2).
Turbidity standard, 1010 FNU (1 gallon) - (Quantity: up to 2).
Confidence Solution® (Conductivity, pH, & ORP) - (Quantity: up to 2).


Large, hard-sided carrying case (Quantity: up to 2).
Flow cell for the multiparameter instrument (Quantity: up to 2).