Data reading unit RFU 40

The RFU 40 is a data reading unit for receiving radio data from E-ITN 30 heat cost allocators and radio modules for residential water meters E-RM 30 broadcasting with APATOR METRA protocol. RFU 40 is an independently working and battery powered device. This reading unit is designed to be used with a mobile device running Android v4.2 or higher.

Three LED indicators are located on the front panel that display state of the Bluetooth module, incoming radio data and battery level.

Warranty and post warranty repairs have to be done by manufacturer.


Measuring conditions operating temperature -20 to 55°C charging temperature 0 – 45°C
Display 3 LED diodes
Power supply Lithium-ion Polymer (3,7 V, 1400 mAh)
Charging battery USB – micro connector (max. 5,0 V, direct current), charging cord length max. 3 m
Power input max 450 mA
Software Radio Reader
Operation system Android, verze 4.2 or higher
Unit dimensions 7,2 cm x 8,8 cm (h x v)
Antenna length 9 cm
Weight approx. 90g

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