900 series Water Quality Analysers

Throughout the world safe water is an essential requirement. However, the process of water analysing and monitoring can be costly and time consuming.

The hand-held versatile 900 series water analysers enable a fast but reliable rapid determination of the main physical aspects of water quality .

Being compact and user friendly, these instruments can be used by technical or non-technical personnel and are ideal for water quality routine work as well as water problem investigations with a single instrument.

These analysers measure and display the key water quality values of pH/ORP, Conductivity, TDS, Salinity, Resistivity, D.O., and temperature (°C/°F) simultaneously.


  • Multi-point push-button calibration
  • Auto-Buffer Recognition
  • mV and Relative mV measurement mode
  • Direct readout ion concentration
  • Selectable ion concentration units
  • Auto-Ranging for conductivity and TDS measurements
  • Adjustable cell constant and TDS factor
  • Adjustable temperature coefficient
  • Manual salinity and barometric pressure compensation
  • Automatic Temperature Compensation
  • Automatically freezes stable readings
  • Memory stores up to 500 readings
  • USB Communication Interface


  • pH
  • ORP
  • Ion
  • Conductivity
  • TDS
  • Salinity
  • Resistivity
  • DO
  • °C/°F

pH Range: -2.000~20.000pH
pH Accuracy: ±0.002pH
mV Range: -1999.9~1999.9mV
mV Accuracy: ±0.2mV
Ion Range: 0.001~19999ppm
Ion Accuracy: ±0.5% F.S, ±1% F.S
Conductivity Range: 0~200mS
Conductivity Accuracy: ±0.5% F.S
TDS Range: 0~10ppt (Max.200ppt)
Salinity Range: 0~80ppt / psu
Resistivity Range: 0~100MΩ
Accuracy: ±1% F.S
DO Range: 0.00~20.00mg/L
DO Accuracy: ±0.2mg/L
% Saturation of Oxygen: 0.0~200.0%
Accuracy: ±2.0%
Temperature Range: 0~105°C
Temperature Accuracy: ±0.5°C
Temperature Compensation: 0~100°C


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