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B-meters RFM-AMB Temperature and Humidity Sensor

The B-meters RFM-AMB is a Wireless M-BUS (Meter-Bus) temperature and humidity sensor, designed to gather environmental data such as temperature and humidity from a specific area, such as a room, and transmit that data wirelessly.

CATEGORY: Flow Meters
BRAND: B Meters
TYPE: Equipment

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The B-meters RFM-AMB is a Wireless M-BUS (Meter-Bus) temperature and humidity sensor, designed to gather environmental data such as temperature and humidity from a specific area, such as a room, and transmit that data wirelessly.

Key Features:

  • Wireless M-BUS Communication: The sensor uses Wireless M-BUS to transmit data, which is widely used for metering and monitoring in smart building systems, offering ease of integration with other systems.

  • Data Storage:

    • The module is capable of storing month averages for the past 12 months, providing long-term historical data for analysis.
    • It also records the minimum, maximum, and average values observed within the most recent hour and day, which can be useful for monitoring recent trends in temperature and humidity.
  • Anti-Removal Alarm: This feature ensures that the sensor is securely mounted and cannot be easily tampered with. If someone attempts to remove or interfere with the device, the system will trigger an alarm, adding an extra layer of security.

  • Efficient for Monitoring: The sensor is suitable for use in rooms or other indoor spaces where consistent monitoring of temperature and humidity is important for comfort, safety, or equipment protection.

 

Temperature reading range

from -10°C to +85°C (max. ±1°C)

Humidity reading range

0 – 80% (± 3%)

Dimensions (l x h x p)

88 x 88 x 25 mm

Power supply

3.6 V Litihium battery

Max Battery life

10 years*

Protection

IP20

Working temperature

from +1°C to +55°C

Radio transmission

868 MHz WMBUS Standard EN 13757-4

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

The battery life strongly depends on the working time window, set during the configuration process, and on the environmental conditions.

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