It is widely used in waste water treatment, pure water, circulating water, boiler water system ect. and the ORP value online monitoring, such as , electronic, aquaculture, food, printing & dyeing, electroplating, pharmaceutical, fermentation and chemical processes.It is powerful in application of remote system and environmental monitoring for surface water & pollution source emissions.

Technical parameters:
Measuring range:                        0-14 ph, -1999~+1999mV (ORP), 0~130.0℃
Resolution:                                  1mV,0.1℃
Accuracy:                                    ±1mV,±0.3℃
Stability:                                      ≤0.01mV/24h
Control inter face:                       two groups of ON OFF relay contact divided into high and low alarm control
Automatic cleaning interface:     one group of automatic cleaning control point , cleaning time is 0-9999 seconds, interval                                                       is 0-9999 minutes
Analog output:                            One current output,photoelectric isolution protection ,improve anti-jamming ability ,the                                                       range corresponding to (4-20)mA can be output in reverse.
RS-485 interface:                         Photoelectric isolation output, support link , (partial compatibility of MODBUS protocol.)
Relay:                                           Relay lag value can be set freely , relay load is 3A 220VAC
Working condition:                     Environmental temperature 0~60℃,relative humidity ≤90%
output load:                                load<750Ω
oprotection grade:                      IP57