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DIEHL  |  SKU: HRL-C-G3
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Diehl Metering HRL-C-G3 | LoRaWAN Radio Module for Water Meters

€95,00
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The Diehl Metering HRL-C-G3 is a LoRaWAN radio module for remote reading of Diehl water meters.

  • Inductive sensing: not affected by magnetic interference
  • IP68: submersible for flooded meter pits
  • Alarms: leaks, backflow and tampering

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Description

The Diehl Metering HRL-C-G3 is a LoRaWAN Radio Module that turns mechanical water meters into connected endpoints. Using inductive sensing technology, the module clips directly onto modular Diehl water meters for a secure, tamper-resistant connection that is not affected by magnetic interference. By transmitting data such as hourly consumption and return flow volume every 12 hours, the HRL-c-G3 helps utility providers and facility managers manage distribution networks and automate billing over both private and operated LoRaWAN networks.

Intelligent Metering Analytics

Comprehensive Alarm Suite Identifies operational anomalies including leaks, blocked meters, overflows, backflow, and low battery status.
15-Year Operational Life Equipped with a lithium battery and optimized transmission logic for a maintenance-free lifespan of more than a decade.

Professional Utility Scenarios

• Smart Metering: Automate data collection for residential and commercial water billing in urban environments.
• Leak Management: Use hourly consumption and midnight index data to identify persistent leaks in complex piping systems.
• Industrial Monitoring: Track high-flow water usage and temperature variations in industrial cooling or processing lines.

What is in the Box?

• 1 x Diehl HRL-c-G3 Radio Module
• 1 x Installation Guide

Product Certifications

CE RoHS LoRaWAN Certified IP68

Specifications
  • Primary Communication Protocol
    LoRaWAN
  • Frequency/Region
    EU868
  • Antenna Type
    Internal
  • LoRaWAN Class
    Class A
  • Radio & Range

    Frequency: 863–868 MHz (EU868)

    TX power: 14 dBm (25 mW)

    LoRaWAN Class A, bidirectional

    Range: several km depending on network coverage (manufacturer figure)

  • Interfaces (I/O)
    Inductive Interface, Pulse Counter
  • Configuration Method
    Bluetooth, Magnet (ILS Switch)
  • Activation Method
    OTAA
  • Monitoring Parameters
    Water Volume (Cumulative), Flow Rate
  • Measurement Technology

    Meter reading: inductive (Diehl Ha+Ti or Ti inductive modular meters)

  • Measurement Range

    Pulse value: 1 L (DN15–DN40), 10 L (DN50–DN125), 100 L (DN150–DN300)

  • Power Source
    Battery (Non-rechargeable)
  • Power Input
    Integrated 3.6 V Li-SOCl2 lithium battery
  • Battery Type
    Li-SOCl2
  • Battery Life
    Up to 15 years under standard conditions of use and temperature (manufacturer figure); 12 h transmission interval
  • Dimensions
    110 × 85 × 59 mm
  • Weight
    214.2 g (incl. 26 g battery)
  • Enclosure Material
    ABS Plastic
  • Mounting Options
    Ceiling Mount
  • IP Rating
    IP68
  • Environment Rating
    Outdoor
  • Operating Temperature
    -10°C to +55°C
  • Certifications
    CE, RoHS, LoRaWAN Certified
  • Warranty
    2 Years

Document Library

HRL-C-G3 Datasheet

HRL-C-G3 User Manual

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