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Benchtop Multiparameter Meter

High accuracy multiparameter meter is suitable to measure pH, ORP, ion concentration, conductivity, total dissolved solids (TDS), salinity, resistivity, and dissolved oxygen (DO). Widely used in quality control, environmental monitoring, chemical analysis, universities, research institutes, etc.

Technical data

Calibration due alarm1 to 31 days
Memory500 data sets
ConnectorBNC; 6-pin mini-DIN; 3.5 mm jack socket
Communication interfaceUSB
Dimensions210 x 188 x 60 mm
Weight1.5 kg
Power supplyDC 5V
Range-2.000 to 20.000 pH
Accuracy±0.002 pH
Resolution0.001, 0.01, 0.1 pH
Calibration points1 to 5 points (USA, NIST or DIN)
Temperature compensation0 to 100°C, 32 to 212°F (manual or automatic)
ORP (mV)
Range-1999.9 to 1999.9 mV
Accuracy±0.2 mV
Resolution0.1, 1 mV
Calibration points1 point (only for relative mV mode)
Ion Concentration
Range0.001 to 19,999 ppm, mg/L, mol/L (depending on the range of ISE)
Accuracy±0.5% F.S. (monovalent); ±1% F.S. (divalent)
Resolution0.001, 0.01, 0.1, 1
Calibration points2 to 5 points
Calibration solutions0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 ppm, mg/L, mol/L
Measurement unitsppm, mg/L and mol/L
Range0.01 to 20 μS/cm, 20 to 200 μS/cm, 200 to 2000 μS/cm, 2 to 20 mS/cm, 20 to 200 mS/cm
Accuracy±0.5% F.S.
Resolution0.01, 0.1, 1
Calibration points1 to 5 points
Calibration solutions10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm
Temperature compensation0 to 100°C; 32 to 212°F (manual or automatic)
Temperature coefficient0.0 to 10.0%/°C
Compensation modeLineal or non-lineal (pure water)
Cell constantK = 0.1, 1, 10
Reference temperature20°C or 25°C
Measurement unitsµS/cm, mS/cm
Range0 to 10.00, 100.0, 1000 ppm
Accuracy±1% F.S.
Resolution0.01, 0.1, 1
TDS conversion factor0.4 to 1.0
Range0.00 to 42.00 psu; 0.00 to 80.00 ppt
Accuracy±1% F.S.
Measurement modesPractical salinity (psu); seawater (ppt)
Range0.00 to 20.00 MΩ
Accuracy±1% F.S.
Resolution0.01, 0.1
Range0.00 to 20.00 mg/L (ppm)
Accuracy±0.2 mg/L
Resolution0.01, 0.1
Calibration points1 or 2 points
Temperature compensation0 to 50°C, 32 to 122°F (automatic)
Salinity correction0.0 to 50.0 g/L
Pressure correction60.0 to 112.5 kPa, 450 to 850 mmHg
% Saturation of Oxygen
Range0.0 to 200.0%
Resolution0.1, 1



pH electrode

Conductivity electrode

Dissolved oxygen probe

Temperature probe

Buffer pouches

Conductivity standard solutions

DO electrolyte solution

DO membrane cap

Electrode holder

USB cable

Power adapter

User manual


Ion-selective electrodes

ORP electrode