Brief Introduction Built-in A/D conversion module, compatible with a variety of analog signal electrodes. Complete functions, stable performance, easy operation, low power consumption, safety and reliability are the outstanding advantages of this instrument. This instrument is equipped with RS485 transmission interface, which can be connected to the host computer through ModbusRTU protocol to realize monitoring and recording. It can be widely used in industrial occasions such as thermal power generation, chemical industry, metallurgy, environmental protection, pharmaceutical, biochemical, food and tap water. Dimension                                    Technical Indexes

Functions	pH	ORP
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. accuracy	±0.5℃
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
Language selection	English/ Chinese
Waterproof grade	IP65
Power supply	From 90 to 260 VAC, power consumption < 4 watts, 50/60Hz
Material	ABS
Installation	panel/wall/pipe installation
Weight	0.9Kg