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  5. B-meters IWM-MB3 Wired M-BUS module GMDM-I, GMB-I, GMB-RP-I and CPR-M3-I

B-meters IWM-MB3 Wired M-BUS module GMDM-I, GMB-I, GMB-RP-I and CPR-M3-I

The IWM-MB3 is an integrated wired M-BUS module designed for water consumption monitoring and fraud detection.

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Brand: B Meters
Type: Equipment

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The IWM-MB3 is an integrated wired M-BUS module designed for water consumption monitoring and fraud detection. It is compatible with the following water meter models:

  • GMDM-I (Multi-jet)
  • GMB-I (Multi-jet)
  • GMB-RP-I (Multi-jet)
  • CPR-M3-I (Single-jet)

  1. Data Transmission:

    • Transmits consumption data via an M-BUS network cable.
    • Provides real-time consumption data and alarm reporting.

  2. Leak and Fraud Detection:

    • Detects water leaks downstream of the meter.
    • Identifies prolonged operation at maximum flow rate (Q4).
    • Monitors attempts of fraud (module removal, reverse flow, and external magnetic interference).

  3. Vibration Immunity:

    • Utilizes an inductive target in the meter dial for vibration immunity.
    • Prevents magnetic fraud.

  4. Compatibility:

    • Supports dry, semi-dry, and wet dial jet meters.

  5. Protection:

    • IP68 rating ensures functionality in harsh environments.

  6. Ease of Installation and Setup:

    • Simple setup and configuration through a smartphone app using NFC interface.

Protocol

MBUS EN13757-2\3

Cable length

1.5 meters

Compatible water meters

GMDM-I, GMB-RP-I, GMB-I

Sensitivity measure

1 liter

Reverse flow

Activate for the backward flow amount after user-settable threshold

Energy supply

Non-replaceable lithium battery, rechargeable (automatic recharge from the BUS network).

Backup for measuring function in absence of BUS voltage.

Protection class

IP68*

Weight

122 g

Size (l x p x h, cable excluded)

88 x 69 x 28 mm

Working Temperature

+1° / +55°C

Transmitted data

Volume (consumption), alarms

Alarms

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.

• Any M-BUS level converter and Windows PC with B M-BUS software installed (or other M-BUS softwares**).

* IP68: maximum 24 hours of continuous submersion at 1 m depth
**Ask to your dealer about the software compatibility.

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