Complete pH measurement unit with a digital RS-485 interface. It supports Modbus RTU as well as plug-and-play communication with compatible JUMO digiLine systems.
Comprehensive calibration management, including a calibration counter and calibration monitoring, as well as detailed electrode monitoring, are integrated.
Technical specifications
| Measuring range | 0...14 pH |
|---|---|
| Temperature compensation | NTC 2K |
| Interface | RS-485 Plug-and-Play, Modbus RTU |
| Communication | 9600 baud, 8N1 |
| Device address | 1...247, configurable on site |
| Operating voltage | 5 V DC ±10% |
| Current consumption | 50 mA |
| Ambient temperature | -20...50 °C |
Subject to technical changes.
Power supply and connection
5-pin M12 connector. 5 V DC supply via pin 1 (brown); pin 2 is not connected.
Shielded cable should be used for cable lengths of 6 m or longer. The shield should be connected to the protective conductor on the control cabinet side.
Downloads
An independent product of IMO GmbH. No affiliation with or endorsement by JUMO. The names "JUMO" and "digiLine" are used solely to describe compatibility.
- Data sheet 0021.0240.5 - 5 V / 50 mA (192.67 KB)
- Modbus manual + PC monitor (English/German) (549.14 KB)