AK-IWM LR3 Water meter


AK-GMDM Water meter can be used to measure liquid


IWM-LR3 has been designed to allow wireless remote reading in different types of applications from the residential sector to the commercial and industrial sectors. 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 thanks to the Long Range LoRa radio technology and the compliance to the LoRaWAN standard can be intergated into multi-service networks.
Radio interfaceLoRaWAN @868 MHz ≤ 25 mW
Network joining methodsOTAA / ABP
Frequency of transmission6 per day
CoverageUp to 5 Km*
Compatible water metersGMDM-I, GMB-RP-I, GMB-I
Pulse output minimum value (K)1 liter
ConfigurationNFC (with Android app)
Energy supplyNon-replaceable lithium battery, maximum lifetime 10 years**
Protection classIP68***
Weight124 g
Size (l x p x h)88 x 75 x 60 mm
Working Temperature+1° ÷ +55°C
Transmitted dataVolume (consumption), total of backward flow, alarms
AlarmsDischarged battery, module removal, magnetic fraud attempt, backward flow, leakage detection
Module programming requirementsAndroid device (smartphone, tablet, etc.) with an NFC interface and the NFC IWM Config APP freely downloadable from GOOGLE PLAY