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Industrial pH/ORP Meter PHG-1800
Ⅰ Introduction
Industrial PH Meter is the intelligent upgrade product of industrial pH testing instrument. It could measure
and control pH value of wastewater continuously, the pH meter is applicable for municipal wastewater
treatment, chemistry, printing and dyeing, paper, medicine, plating and environmental production etc.
In accordance with the environment and characteristics of water industry, as well as the international power
supply standard, considering the electricity design in special environment, the pH meter could be supplied
with power 220V AC, and safe low voltage 24V AC,24V DC for selection.
Main Characteristics:
Chinese and English language display
Measure pH/ORP, high/low limit control, current output, digital communication
It could be set automatic or manual temperature compensation
pH high limit alarm, low limit alarm, double relay, alarm delay could be adjust
Instrument mode isolated transmitting port, max circle resistance bigger than 300Ω
Sound alarm function could be set;
Backlight of LCD could select power saving mode, timing automatic off
High performance CPU, good electromagnetic compatibility
Password management avoid non-professional person operation
Ⅱ Main Technical Index
Measure range: pH(0 – 14 pH) ; ORP( -1900 - +1900 mV)
Accuracy: + 0.02 pH; + 1 mV
Resolution: 0.01pH; 1mV
Stability:≤ 0.02 pH/24hr ; ≤ 3 mV/24hr
pH standard solution: 4.01/6.86/9.18
Display: 128 * 64 dot matrix LCD
Temperature compensation: 0–100 ℃ manual / automatic(NTC10K)
Signal output: Isolated 4-20mA signal output ;max circle resistance 300Ω
Alarm output: high and low limit alarm contact each group（3A/250 V AC）,normal open contact relay
Power supply: AC 220V±10% 50Hz
Power consumption: ≤3W
Working environment:（1）temperature 0～ 60 ℃ （2）humidity≤85%RH
Outline dimention: 96×96×110mm(high×width×depth)
Hole size: 92×92mm(height×width)
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