Water Analysis Solutionswww.hbbossen.com

Industrial online pH controller PHG-1800 is an cost effective model pH controller, with isolated 4-20mA signal output and relay output function, high and low limit alarm and control.
 
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
 
Technical Parameters:
 
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)