Operation of PHG-2081X Online pH Meter

Operation of PHG-2081X Online pH ORP Meter

PHG-2081X Digital Online pH/ORP meter can be used with various pH sensor or ORP sensors to realize online testing and monitoring of pH (0~14) / ORP (-2000~2000mV) / temperature (0~150℃) of sewage, corrosive solution, liquid medicine, beer, drinking water, food, CIP,SIP,etc. Online pH ORP meter can be connected to digital panel meter/VFD/PLC/recorder (4-20mA ), or connected to computer for remote monitoring and recording (RS485 communication). Digital pH ORP meter can also be connected with alarm relays and solenoid valves to form a simple pH / ORP process control system.PHG-2081X Digital Online pH/ORP meter also has data recording function, it can record data by 500 000 times.

Technical Parameters of PHG-2081X Online pH ORP Meter

Functions : pH ORP measurement

Measuring range -2.00pH to +16.00 pH -2000mV to +2000mV

Resolution 0.01pH 1mV

Accuracy ±0.01pH ±1mV

Temp. compensation Pt 1000/NTC10K

Temp. range -10.0 to +130.0℃

Temp. compensation range -10.0 to +130.0℃

Temp. resolution 0.1℃

Temp. accuracy ±0.2℃

Ambient temperature range 0 to +70℃

Storage temp. -20 to +70℃

Input impedance >1012Ω  

Display Back light, dot matrix

pH/ORP current output1 Isolated, 4 to 20mA output , max. load 500Ω

Temp. current output 2 Isolated, 4 to 20mA output , max. load 500Ω

Current output accuracy ±0.05 mA

RS485 Mod bus RTU protocol

Baud rate 9600/19200/38400

Maximum relay contacts capacity 5A/250VAC,5A/30VDC

Cleaning setting ON: 1 to 1000 seconds, OFF: 0.1 to 1000.0 hours

One multi function relay clean/period alarm/error alarm

Relay delay 0-120 seconds

Data logging capacity 500,000

Language selection English/traditional Chinese/simplified Chinese

Waterproof grade IP65

Power supply From 90 to 260 VAC, power consumption < 5 watts

Installation panel/wall/pipe installation