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.
Measuring Range -180o ~ +180o
Light Source Sodium lamp
Optical Wavelengths 589.44nm
Stable Time 5 minutes
Tube Length up to 200mm
Power Requirements 220VAC/50Hz
Price $571.00 USD
LIDA920/921/922 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 --- --- ...