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Portable Multiparameter Water Quality Meter LMWM-701

Portable Multiparameter Water Quality Meter LMWM-701

Portable Multiparameter Water Quality Meter LMWM-701 is equipped with a backlit LCD display. It is suitable for measuring the PH, ORP, ion concentration, TDS, salinity, conductivity, resistivity, and dissolved oxygen. Automatic electrode recognition shows the pH slope and offset. Relative and absolute millivolt modes provide reliable ORP measurements. Data can be transferred easily to computer by using USB interphase. It is reliable, user friendly, applicable for outdoor measurements.

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pH Range -2.000 to 20.000 pH
pH Resolution 0.001, 0.01, 0.1 pH, selectable
pH Accuracy ± 0.002 pH
pH Calibration Points 1 to 5 points
pH Buffer Options USA, NIST, DIN, 2 custom buffers
ORP Range ± 1999.9mV
ORP Resolution 0.1, 1mV, selectable
ORP Accuracy ± 0.2 mV
ORP Calibration Points 1 point
ORP Measurement Modes Relative or absolute mV
Ion Concentration Range 0.001 to 19999 (depending on the range of ISE)
Ion Concentration Resolution 0.001, 0.01, 0.1, 1
Ion Concentration Accuracy ± 0.5% F.S. (monovalent), ±1% F.S. (divalent)
Ion Calibration 2 to 5 points
Calibration Solutions 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000
Measurement Units ppm, mg/L, ml/L, mml/L
Conductivity Range 0.01 to 20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm
Conductivity Resolution 0.001, 0.01, 0.1, 1
Conductivity Accuracy ± 0.5% F.S.
Conductivity Calibration 1 to 5 points
Conductivity Calibration Solutions 10µS, 84µS, 1413µS, 12.88mS, 111.8mS
Conductivity Temperature Coefficient Linear (0.0 to 10.0%/°C), pure water
Conductivity Reference Temperature 20/25°C
Conductivity Cell Constant K=0.1, 1, 10 or custom
TDS Range 0.00 to 10.00, 100.0, 1000ppm, 10.00, 200.0ppt
TDS Resolution 0.01, 0.1, 1
TDS Accuracy ±1% F.S.
TDS Factor 0.1 to 1.0 (default 0.5)
Salinity Range 0.00 to 80.00ppt, 0.00 to 42.00psu
Salinity Resolution 0.01
Salinity Accuracy ±1% F.S.
Resistivity Range 0.00 to 20.00MΩ
Resistivity Resolution 0.01,0.1
Resistivity Accuracy ±1% F.S.
DO Range 0.00 to 20.00 mg/L
Dissolved Oxygen Resolution 0.01mg/L, 0.1%
Dissolved Oxygen Accuracy ±0.2mg/L, ±2.0%
DO Calibration 1 or 2 points
% Saturation of Oxygen 0.00 to 20.00mg/L, 0.0 to 200.0% saturation
Pressure Correction 60.0 to 112.5 kPa/450~850mmHg, manual
Salinity Correction 0.0 to 50.0ppt, manual
Temperature Compensation 0 to 100°C/32 to 212 °F, manual or automatic
Memory 500 data sets, USB communication interface
Power 3 × 1.5V AA batteries or 5V DC power adapter
Dimensions(L × W × H) 170 × 85 × 30 mm
Weight 300 g

point.png It can store and recall up-to 500 sets of data

point.png 1-5 points push button calibration to automatically rectify pH buffer

point.png Reset function instinctively resumes all settings back to the factory defaults

point.png Automatic temperature compensation provides accurate readings over the entire range

point.png Salinity and barometric pressure compensations remove the measurement error

point.png Water quality meter contains 8 measurement modes

It is widely used for quality testing of water and used in research and development laboratories and water resources.

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Portable Multiparameter Water Quality Meter LMWM-701