Item number Description
1050132
CMa10w Indoor temperature/humidity sensor,
Wireless M-Bus, with display
1050134
CMa11w Indoor temperature/humidity sensor,
Wireless M-Bus
contact InforMatIon
elvaco ab technical support:
Phone: +46 300 434300
E-mail: [email protected]
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 12 years
User interface
Push button SW1
Product activation, enter setup mode,
next page in setup mode
Push button SW2*
Next page in standard mode, edit
configurable field in setup mode
LCD display
CMa10w: Yes, CMa11w: No
LED light
Activation/configuration/confirmation
Momentary values
Temperature, humidity, status
Historic values
Average values over the last hour/day
M-Bus slave interface
Frequency
868.95 MHz
Transmit power
10 mW
Transmit interval
6 minutes
Encryption
Yes
Wireless M-Bus modes
T1
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.
confIgure settIngs vIa nfc
CMa10w/CMa11w is equipped with an NFC module, which can
be used to configure settings or read data. Please refer to the
user’s manual for more information on how to use NFC.
factory defauLt reset
In order to reset CMa10w to factory default settings, enter the
setup mode and navigate to “Total Reset”. Select “y”.
Below, the factory default settings for CMa10w and CMa11w
are listed.
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 signal.
•
The master antenna is properly mounted for ideal
performance.
•
The master and the sensor use the same wireless M-Bus
mode (T1).
•
The sensor is not mounted inside a metallic cabinet.
•
The sensor is not disturbed by other radio equipment.
cMa10w does not display any information
Please verify that:
•
The sensor has been activated.
•
The contrast of the LCD display is not too low.
•
There is still battery life left in the sensor. The serial
number informs about when the product was
manufactured. The sensor has a battery life span of up to
12 years (depending on usage).
temperature value is inaccurate
Althugh 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.
*Only applicable to CMa10w
Factory default settings
Language
ENG
Transmit interval
6 minutes
Encryption mode
Off
LCD contrast
0
Locked
No
