Item number Description
1050135
CMa12w Indoor temperature sensor, Wireless M-Bus
contact InforMatIon
elvaco ab technical support:
Phone: +46 300 434300
E-mail: support@elvaco.com
Online: www.elvaco.com
technIcal sPecIfIcatIons
Mechanics
Protection class
IP30
Dimensions (w x h x d)
80 x 80 x 25 mm
Weight
75 g
Mounting
Wall-mount
Antenna
Internal
Electrical connections
Supply voltage
Battery, life span 15 years at 15 °C to
25 °C
User interface
Push button SW1
Product activation
LED light
Activation
Momentary values
Temperature, status
Historic values
Average values over the last hour/day
M-Bus slave interface
Frequency
868.95 MHz
Transmit power
10 mW
Transmit interval
180 seconds
Encryption
Yes
Wireless M-Bus modes
C1
Approvals
EMC
EN 61000-6-2, EN 61000-6-3
orderIng InforMatIon
safety
The warranty does not cover damage to the product caused by
usage in any other way than described in this manual. Elvaco
AB can not be liable for personal injury or property damage
caused by usage in any other way than described in this
manual.
troubleshootIng
the master does not receive any telegram from the sensor
Please verify that:
•
The product has been activated.
•
The master is connected to a power source and is
correctly configured.
•
The master is within range of the radio singal.
•
The master antenna is properly mounted for ideal
performance.
•
The master and the sensor use the same wireless M-Bus
mode (C1).
•
The sensor is not mounted inside a metallic cabinet.
•
The sensor is not disturbed by other radio equipment.
temperature value is inaccurate
Although the temperature sensor is normally very accurate, an
incorrect positioning of the product can sometimes result in
unintended temperature variations. When mounting the sensor,
please verify that:
•
The product is not mounted near any heat or cold
sources.
•
The product is not mounted in direct sunlight
•
The product is not mounted in a spotlight beam.
