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CMa10

1050131

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.  

 

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. Readout and configuration are easily performed via M-Bus, LCD display or by using a smart phone (via NFC). CMa10 has a message feature that makes it possible to communicate with end-users via the device 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:
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
Unit loads:
1T/1.5 mA

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

Wireless M-Bus

Integrated M-Bus Master

M-Bus baud rate, master port:
300 and 2400 bit/s

Wireless M-Bus Receiver

M-Bus slave interface

M-Bus baud rate, slave port:
300 and 2400 bit/s
Nominal voltage, slave port:
21-42 VDC
Addressing modes:
Primary, secondary
Default address:
0 (primary) and serial number (secondary)

General

Data storage (examples)

Mobile Network

Fixed Network (Ethernet)

Integration

Approvals

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

Connections and Interfaces

Transmissions

We see value in every measurement.

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Kabelgatan 12

434 37 Kungsbacka, Sweden

+46 300 939900

 

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