
Basic process analyzers
Industrial ORP instrument transmitter
HDM-137A (2-wire)/ HDM-138A (4-wire)
- Compact and robust aluminum case, simple operation on-site ORP meter.
- Automate standard solution check. Automatically determines the quality of electrode characteristics.
- The transmission output range can be changed.
- With self-diagnosis function in case of failure (burnout output)
Measurement range
ORP; -2000 to +2000 mV