Retrofit Your Gas Meter with WR–G Smart Pulse Reader | NB-IoT / LoRaWAN / LTE

Short Description:

WR–G Pulse Reader

From Traditional to Smart — One Module, a Smarter Grid

Upgrade Your Mechanical Gas Meters, Seamlessly

Still operating with traditional gas meters? The WR–G pulse reader is your pathway to smart metering — without the cost or hassle of replacing existing infrastructure.

Designed to retrofit most mechanical gas meters with pulse output, WR–G brings your devices online with real-time monitoring, remote communication, and long-term reliability. It’s the perfect solution for utility companies, industrial gas users, and smart city deployments seeking digital transformation with low entry cost.

Why Choose WR–G?

✅ No Full Replacement Needed
Upgrade existing assets — reduce time, cost, and disruption.

✅ Flexible Communication Choices
Supports NB-IoT, LoRaWAN, or LTE Cat.1, configurable per device based on your network needs.

✅ Rugged & Long-Lasting
IP68-rated enclosure and 8+ years of battery life ensure stability in harsh environments.

✅ Smart Alerts in Real Time
Built-in tamper detection, magnetic interference alarms, and historical event logging keep your network secure.

Made for Your Meters

The WR–G works with a wide range of pulse-output gas meters from brands such as:

Elster / Honeywell, Kromschröder, Apator, Actaris, METRIX, Pipersberg, IKOM, Daesung, Qwkrom, Schroder, and more.

Installation is straightforward, with universal mounting options and plug-and-play setup. No rewiring. No downtime.

Deploy Where It Makes the Most Impact

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Product Detail

Our Advantages

Product Tags

✅ NB-IoT (incl. LTE Cat.1 mode)

✅ LoRaWAN

Core Technical Specifications (All Versions)

Parameter Specification

Operating Voltage +3.1V ~ +4.0V

Battery Type ER26500 + SPC1520 lithium battery

Battery Life >8 years

Operating Temperature -20°C ~ +55°C

Waterproof Level IP68

Infrared Communication 0–8 cm (avoid direct sunlight)

Touch Button Capacitive, enables maintenance or report triggers

Metering Method Non-magnetic coil pulse detection

Communication Features by Protocol

NB-IoT & LTE Cat.1 Version

This version supports both NB-IoT and LTE Cat.1 cellular communication options (selectable during configuration based on network availability). It is ideal for urban deployments,

offering wide coverage, strong penetration, and compatibility with major carriers.

Feature Description

Frequency Bands B1 / B3 / B5 / B8 / B20 / B28

Transmission Power 23 dBm ± 2 dB

Network Types NB-IoT and LTE Cat.1 (fallback optional)

Remote Firmware Upgrade DFOTA (Firmware Over The Air) supported

Cloud Integration UDP available

Daily Data Freeze Stores 24 months of daily readings

Monthly Data Freeze Stores 20 years of monthly summaries

Tamper Detection Triggered after 10+ pulses when removed

Magnetic Attack Alarm 2-second cycle detection, historical and live flags

Infrared Maintenance For field setup, reading, and diagnostics

Use Cases:

Ideal for high-frequency data uploads, industrial monitoring, and densely populated regions requiring cellular reliability.

LoRaWAN Version

This version is optimized for long-range and low-power deployments. Compatible with public or private LoRaWAN networks, it supports flexible topologies and deep coverage in

rural or semi-urban areas.

Feature Description

Supported Bands EU433/CN470/EU868/US915/AS923/AU915/N865/KR920/RU864 MHz

LoRa Class Class A (default), Class B,Class C optional

Join Modes OTAA / ABP

Transmission Range Up to 10 km (rural) / 5 km (urban)

Cloud Protocol LoRaWAN standard uplinks

Firmware Upgrade Optional via multicast

Tamper & Magnetic Alarms Same as NB version

Infrared Maintenance Supported

Use Cases:

Best suited for remote communities, water/gas industrial parks, or AMI projects using LoRaWAN gateways.