Instrumentation
pH instruments
Poly pH/ORP Series A
0–14pH
Measuring range
±0.02pH
Accuracy
2
Relay outputs for alarms
Poly pH/ORP Series A
Two instruments in one
Poly pH/ORP is designed to be user-friendly and highly accurate.
pH and ORP
Measures both pH and ORP (redox potential) in one instrument.
Two relay outputs
Two alarm relays, normally open or normally closed, for 230 V AC and 3 A.
Clear display
Plastic housing with a transparent cover for surface mounting.
For every industry
Suitable for all types of industry.
Technical data
Poly pH/ORP Series A
| Measuring range | pH 0–14, ORP −1000 to +1000 mV |
|---|---|
| Accuracy | ±0.02 pH, ±1 mV |
| Temperature, measuring range | −10 to 130 °C, accuracy ±0.5 °C (Pt1000) |
| Temperature compensation | −10 to 130 °C, manual or automatic |
| Output | 4–20 mA |
| Max load | 750 Ω, 0.1 % FS |
| Communication | RS485, compatible with standard Modbus RTU |
| Relay alarm | Two alarm relays, normally open/normally closed, AC 230 V, 3 A |
| Voltage | 230 V |
| Language | English |