The radio module thanks to the presence of the inductive target into the meter dial allows the reading of the volume consumption without any constraints of access to the site in walk-by mode or AMR (automatic meter reading), in respect of the WMBUS standard and complying with the OMS (Open metering system) specification.
|Radio interface||W-Mbus EN13757-4 @868 MHz ≤ 25 mW, mode T1|
|Compatible water meters||GMDM-I, GMB-RP-I, GMB-I|
|Pulse output minimum value (K)||1 liter|
|Configuration||Via radio (with RFM-RX2 and software B Metering), NFC (with Android app)|
|Energy supply||Non-replaceable lithium battery, maximum lifetime 10 years**|
|Size (l x p x h)||88 x 75 x 60 mm|
|Working Temperature||+1° / +55°C|
|Transmitted data||Volume (consumption), total of backward flow, 12 monthly historical values, battery status, alarms.|
|Alarms||Discharged battery, module removal, magnetic fraud attempt, backward flow, leakage detection.|
|Module programming requirements||• Android device (smartphone, tablet, etc.) with an NFC interface and the NFC IWM Config APP freely downloadable from GOOGLE PLAY • RFM-RX2 receiver and Windows PC with B Metering software installed|
* In optimal signal transmission conditions; ** The battery life strongly depends on the working time window, set during the configuration process, and on the environmental conditions; *** IP68: maximum 24 hours of continuous submersion at 1 m depth.
WEIGHT AND DIMENSION
Example of installation on mod. GMDM-I