CMa12w - Indoor temperature sensor, Wireless M-Bus

CMa12w

1050135

Sensors

Elvaco offers temperature and humidity sensors, both for indoor and outdoor environments. The product line enables simple and cost-effective metering, which enables a more effective use of energy and a better real-estate climate. Sensors are available with M-Bus or Wireless M-Bus communication, as well as with or without display.

The CMa12w is a one-way wireless M-Bus temperature sensor for indoor use. The sensor offers high accuracy and user-friendliness as well as a long battery-life (up to 15 years) which makes it the optimal choice for tenant owners. Readout and configuration are easily performed via wireless M-Bus or by using a mobile phone (via NFC).

Technical Specification

Mechanics

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:: Battery, life span 15 years (at 15 °C to 25 °C)

Electrical characteristics

Environmental specifications

Operating temperature:: -10 °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:: -20 °C to +55 °C

Temperature sensor, margin of error

Temperature: 5 °C to 55 °C:: ±0.2°C

Humidity sensor, margin of error

User interface

Momentary values:: Temperature, status
Historic values:: Average value over the last hour and last day

M-Bus

Wireless M-Bus

Integrated M-Bus Master

Wireless M-Bus Receiver

M-Bus slave interface

Frequency, Wireless M-Bus:: 868.95 MHz
Transmit power:: 10 mW
Transmit interval:: 3 minutes
Encryption:: Yes
Wireless M-Bus modes:: C1 (default) and T1

General

Data storage (examples)

Mobile Network

Fixed Network (Ethernet)

Integration

Approvals

EMC:: EN 61000-6-2, EN 61000-6-3

Connections and Interfaces

Transmissions

Casing material:: ABS UL94-V0, white
Protection class:: IP30
Dimensions (w x h x d):: 80 x 80 x 25 mm
Mounting:: Wall-mount
Supply voltage:: Battery, life span 15 years (at 15 °C to 25 °C)
Operating temperature:: -10 °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
EMC:: EN 61000-6-2, EN 61000-6-3
Frequency, Wireless M-Bus:: 868.95 MHz
Transmit power:: 10 mW
Transmit interval:: 3 minutes
Encryption:: Yes
Measurement range, temperature sensor:: -20 °C to +55 °C
Temperature: 5 °C to 55 °C:: ±0.2°C
Momentary values:: Temperature, status
Historic values:: Average value over the last hour and last day
Wireless M-Bus modes:: C1 (default) and T1
Sensor data readout:: Wireless M-Bus and NFC
Push button SW1:: Product activation
LED light:: Activation
Weight:: 75 g

Documentation

Manuals

Software

Accessories

Spareparts

Downloads

For downloads, please visit our support site at: https://support.elvaco.com

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