LIDA INSTRUMENT was founded in 1992, it is a professional manufacturer of laboratory instrument in shanghai, china.
We undivided attention to research and development of laboratory instruments for water quality analysis, Our principle
is recommend the excellent analytical instruments continually. Now, Our products include pH, Ion, Oxidation-Reduction
Potential (ORP), Conductivity, Total Dissolved Solids (TDS), Salinity, Dissolved Oxygen Meter, Polarimeter, Melting Point
Apparatus, Ozone Analyzer, Magnetic Stirrer etc.
Ever since its foundation, Our products sold well on china and overseas market such as America, Europe, Middle East,
Southeast Asia etc. People foremost, LIDA INSTRUMENT will provide excellent products and service for you.
LIDA5 SERIES PORTABLE CONDUCTIVITY/TDS/SALINITY/oC METER
Model LIDA520 LIDA530 LIDA531 LIDA540
Conductivity Range 0~1.999, 19.99, 199.9, 1999uS/cm, 19.99, 199.9mS/cm
Conductivity Accuracy ±0.5% F.S
TDS Range --- 0~Max.200ppt --- 0~Max.200ppt
TDS Accuracy --- ±1% F.S --- ±1% F.S
TDS Conversion Factor --- 0.01~1.00 --- 0.01~1.00
Salinity Range --- --- 0.00~5.00% 0.00~5.00%
Salinity Accuracy ...
PRECISION pH/mV/ORP/oC/oF METER
Model LIDA920 LIDA921 LIDA922
pH Range -2.000~16.000pH -2.000~16.000pH -2.000~16.000pH
pH Accuracy ±0.005pH ±0.002pH ±0.002pH
Resolution 0.001pH 0.001pH 0.001pH
mV Range 0~±1999.9mV 0~±1999.9mV 0~±1999.9mV
mV Accuracy ±0.2mV ±0.2mV ±0.2mV
Resolution 0.2mV 0.1mV 0.1mV
ORP Range --- --- 0~±1999.9mV
ORP Accuracy --- --- ...