The B-meters IWM-TX3 is a Wireless M-BUS (WMBUS) radio module designed to transmit consumption data for compatible water meters, including the GMDM-I, GMB-I, GMB-RP-I, and CPR-M3-I models.
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The B-meters IWM-TX3 is a Wireless M-BUS (WMBUS) radio module designed to transmit consumption data for compatible water meters, including the GMDM-I, GMB-I, GMB-RP-I, and CPR-M3-I models.
Consumption Data Reporting:
Leak Detection:
Flow Monitoring:
Tamper Detection:
This module integrates seamlessly with B-meter devices, providing advanced monitoring capabilities while improving operational efficiency.
Radio interface |
W-Mbus EN13757-4 @868 MHz ≤ 25 mW, mode T1 |
Coverage |
500 m* |
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** |
Protection class |
IP68*** |
Weight |
124 g |
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 |
* 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