CMa20w - Outdoor temperature / humidity sensor

CMa20w is a Wireless M-Bus temperature and humidity sensor for outdoor use. It has a high accuracy and provides instant information on the meters values ​​and also provides the average meters values ​​of the last hour and day. The sensor is a perfect option for external measurement when a wired installation is not possible.

• Measuring temperature and humidity
• Included sensor types: temperature and humidity sensor
• Sensor temperature range: -20 ° C to + 45 ° C
• Resolution of the humidity sensor: +/- 2% RH

Technical Parameters:



• Dimensions: 110 x 100 x 52 mm
• LCD display: No
• Power supply type: battery, 12 years duration
• Transmitter operating temperature: -20 ° C to + 45 ° C
• M-bus interfaces: M-Bus slave
• Standard M-Bus: EN 13757-4. Communication through C1-b
• Frequency, Wireless M-Bus: 868.95 MHz
• Transmission power: 25 mW
• Transmission interval: 3 minutes
• Encryption: Yes
• EMC approvals: EN 61000-6-2, EN 61000-6-3