| Availability: | |
|---|---|
| Quantity: | |
POP-500B
PROBEST
PROBEST POP-500B Digital RS485 Online ORP Analyzer ORP Sensor for Accurate Sewage Treatment Water Quality Monitoring
POP-500B ORP Online Analyzer

l Corrosion-resistant shell, waterproof grade IP68, can work underwater for a long time.
l RS485 communication interface, standard Modbus protocol, easy to integrate.
l Standard digital signal output can achieve integration and networking with other equipment without controller.
l Built-in self-diagnosis function to ensure the accuracy of data.
l Digital sensor, high anti-jamming capacity and far distance transmission
l With time display, data storage and historical data viewing function.
l Optional data wireless transmission module.
Technical Specifications
Measuring range | ±2000 mV |
Main material | 316L Stainless steel ;Cable: PUR |
Resolution | 0.1mV |
Repeatability | ±2 mV |
Precision | ±5 mV |
Electrode withstand voltage | 0-0.1Mpa |
Electrode withstand temp. | 0-45℃ (Non-freezing) |
Communication protocol | MODBUS RS485 |
Power supply | AC:85-500VAC ;DC:9-36VDC |
Output | 3-way 4-20mA |
Power supply | AC:85-500VAC;DC:9-36VDC |
Output | 3-way 4-20mA |
Relay | Three-way relays,programmed response parameter and response value |
Protective rate | Sensor:IP68/NEMA6P;Transmitter:IP66/ NEMA4X |
Dimensions | Sensor:Dia34mm*L 230mm;Transmitter:145*125*162mm(L*W*H) |
Mounting thread | Upper thread R3/4 |
Cable length | Standard cabel:10M,Max extended to100M. |
PROBEST POP-500B Digital RS485 Online ORP Analyzer ORP Sensor for Accurate Sewage Treatment Water Quality Monitoring
POP-500B ORP Online Analyzer

l Corrosion-resistant shell, waterproof grade IP68, can work underwater for a long time.
l RS485 communication interface, standard Modbus protocol, easy to integrate.
l Standard digital signal output can achieve integration and networking with other equipment without controller.
l Built-in self-diagnosis function to ensure the accuracy of data.
l Digital sensor, high anti-jamming capacity and far distance transmission
l With time display, data storage and historical data viewing function.
l Optional data wireless transmission module.
Technical Specifications
Measuring range | ±2000 mV |
Main material | 316L Stainless steel ;Cable: PUR |
Resolution | 0.1mV |
Repeatability | ±2 mV |
Precision | ±5 mV |
Electrode withstand voltage | 0-0.1Mpa |
Electrode withstand temp. | 0-45℃ (Non-freezing) |
Communication protocol | MODBUS RS485 |
Power supply | AC:85-500VAC ;DC:9-36VDC |
Output | 3-way 4-20mA |
Power supply | AC:85-500VAC;DC:9-36VDC |
Output | 3-way 4-20mA |
Relay | Three-way relays,programmed response parameter and response value |
Protective rate | Sensor:IP68/NEMA6P;Transmitter:IP66/ NEMA4X |
Dimensions | Sensor:Dia34mm*L 230mm;Transmitter:145*125*162mm(L*W*H) |
Mounting thread | Upper thread R3/4 |
Cable length | Standard cabel:10M,Max extended to100M. |