Wireless M-BUS sensor of temperature and humidity
RFM-AMB is a temperature and humidity sensor that collects the data recorded in the rooms where it is installed transmitting them via Wireless M-BUS.
The module records the current minimum, maximum and average data detected in the last hour and in the last day and allows storing the month average data up to the 12 previous months.
Fully compliant with the OMS vol.2-monodirectional transmission specifics and equipped with anti-removal alarm for a safer and more efficient system.
| Temperature reading range | +1° / +55°C (± 0.4°C) |
| Humidity reading range | 0 – 80% (± 3%) |
| Dimensions (l x h x p) | 88 x 88 x 25 mm |
| Power supply | 3.6 V Lithium battery |
| Battery life | 10 years |
| Protection | IP20 |
| Maximum working temperature | +1° / +55°C |
| Radio transmission | 868 MHz WMBUS Standard EN 13757-4 OMS |
| Transmission range | Up to 300 meters |
| Data transmission frequency | Programmable: month, day, hour range, frequency (seconds) |
| Transmitted data | Actual temperature -min/max/average temperature of last hour Min/max/average temperature of last day Hystorical monthly average temperature data up to 12 previous months (up to 6 if used combined with Humidity historical data) Actual humidity – min/max/average humidity of last hour – min/max/average humidity of last day Hystorical monthly average humidity data up to 12 previous months (up to 6 if used combined with Temperature historical data) |
| Allarm | Low battery, module Removal |
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