Ultrasonic Gas Flow Module — G4

Time-of-flight gas meter sized for typical residential connections — single-family homes and apartments. Qmax 6 m³/h.

Technical specifications

Parameter Value

Measurement range

Qmin 0.04 m³/h · Qt 0.4 m³/h · Qmax 6 m³/h (G4)
Accuracy class

Class 1.5 per EN 14236 · MID Annex IV (MI-002)
Host interface

UART · I²C — direct integration into host MCU of meter or AMR module
Power

Ultra-low power; battery-powered, 15-year lithium primary; mains variant available
Operating temperature

-40 °C to +70 °C operating · -40 °C to +85 °C storage
Data reporting period

Configurable from 125 ms (fast) to 32 s (low-power), per-channel
T & P compensation

On-module temperature and pressure measurement with volume-conversion output
Form factor

Compact residential body, G1¼" threaded connections

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