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CMa10w

1050132

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, Wireless M-Bus or LoRaWAN communication, as well as with or without display.  

 

CMa10w - Indoor temperature/humidity sensor, Wireless M-Bus

CMa10w is a one-way wireless M-Bus temperature and humidity sensor for indoor use. The sensor offers high accuracy, user-friendliness and a long battery-life (up to 12 years). Readout and configuration are easily performed via the LCD display or by using a smart phone (via NFC). CMa10w has a message feature that makes it possible to communicate with the end-user via the product’s LCD display. The product supports six different language options: Swedish, English, German, Spanish, Finnish and Italian.

Mechanics

Casing material:
ABS UL94-V0, white
Dimensions (w x h x d):
80 x 80 x 25 mm
Protection class:
IP30
Weight:
75 g
Mounting:
Wall-mount

Electrical connections

Supply voltage:
Battery, life span 12 years

Electrical characteristics

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

Temperature sensor, margin of error

Temperature: 10 °C to 30 °C:
±0.2°C
Temperature: 0 °C to 10 °C:
±0.4°C
Temperature -10 °C to 0 °C:
±0.5°C
Temperature: below -10 °C or above 30 °C:
±1.5°C

Humidity sensor, margin of error

Humidity: 10 % RH to 90 % RH:
±2% RH
Humidity: below 10 % RH or above 90 % RH:
±4% RH

User interface

LCD diplay:
Yes
Momentary values:
Temperature, humidity, status
Historic values:
Average value over the last hour and last day

M-Bus

Interfaces:
M-Bus slave
M-Bus standard:
EN 13757-4. Communication by T1

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:
6 minutes
Sensitivity:
-104 dBm
Encryption:
Yes
Wireless M-Bus modes:
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