Elvaco - CMa10 - Indoor temperature/humidity sensor, M-Bus

CMa10 is a two-way M-Bus temperature/humidity sensor developed for indoor usage. The sensor offers high accuracy, reliability and user-friendliness, which makes it the optimal choice for tenant owners. Readout and configuration are easily performed via M-Bus, LCD display or by using a mobile phone (via NFC) CMa10 has a message feature that makes it possible to communicate with end-users vis the device LCD display.

  • The product supports six different language options: Swedish, English, German, Spanish, Finnish and Italian.
  • Casing material: ABS UL94-V0, white
  • Protection class: IP30
  • Dimensions (w x h x d): 80 x 80 x 25 mm
  • Mounting: Wall-mount
  • Weight: 75 g
Electrical connections
  • Supply voltage: From M-Bus
  • M-Bus slave port: Screw terminal. Cable 0.25-1.5 mm², 0.5 Nm tightening torque
Electrical characteristics
  • Nominal voltage: 21-42 VDC
User interface
  • LCD diplay: Yes
  • Momentary values: Temperature, humidity, status
  • Historic values: Average value over the last hour and last day
Environmental specifications
  • Operating temperature: 0 °C to +50 °C
  • Operating humidity: 0 to 95 %, no condensation
  • Operating altitude: 0-2000 m
  • Pollution degree: Degree 2
  • Usage environment: Indoors
  • Storage temperature: -40 °C to +85 °C
  • Measurement range, temperature sensor: 0 °C to +50 °C
  • Measurement range, humidity sensor: 0 % RH to 100 % RH

Elvaco – CMa10 – Indoor temperature/humidity sensor, M-Bus