The Endress+Hauser CM14 transmitter operating instructions cover safety, installation, wiring, operation, calibration, maintenance, and technical data.
This manual provides comprehensive guidance for the Endress+Hauser CM14 pH/ORP transmitter. It includes safety requirements, identification details, installation steps, wiring diagrams, operation functions, commissioning procedures, calibration methods, maintenance tasks, and troubleshooting information.
The document also lists the technical specifications of the device, such as input types, output signals, relay functions, and environmental limits, helping users to correctly integrate the transmitter into process control systems.
| Input types | Digital sensor inputs, Memosens and Memosens protocol |
|---|---|
| Output signal | 2 x 0/4 to 20 mA active, potentially isolated |
| Load (output) | 500 Ω |
| Alarm output current max | 200 mA |
| Relay switching capacity | Max. 3 A at 24 V DC |
The permitted storage temperature range is –40 °C to +85 °C.
It has two changeover contacts with a switching capacity of up to 3 A at 24 V DC.
A shielded line with a cross‑section up to 1.5 mm² (16 AWG) is recommended.