Residential Ultrasonic Gas Meter Module.jpg

Residential Ultrasonic Gas Meter Module
USM-G2.5M/G4MUSM-G2.5M/G4M

Based on ultrasonic gas flow sensor technology, USM-G2.5M/G4M adopts patented V shape gas flow channel, the effective distance between two transducers are long, which facilitates the measurement accuracy, it's also anti-contamination that guarantees high stability. USM-G2.5M/G4M is used for assembling residential natural gas meters.

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Features

Stable flow field distribution;
High sensitivity and accuracy with intelligent software algorithm for Air,100% CH4 and different natural gases;
Low pressure loss due to absence of obstructing objects within flow path;
Low power consumption;
UART/TTL interface with direct output for connection;
Small footprint which permit compact designs;
Compliant to OIML R137 and EN14236 class 1.5.

Specifications

	CO2 Sensor CM1106-C
Measurement Range	USM-G2.5M: 0.025~4 m³/h [0.88~ 141.26 ft³/h] USM-G4M: 0.04~6 m³/h [1.41~ 211.88 ft³/h]
Accuracy	Class 1.5
Error	Qmin≤Q<0.1Qmax: ±3%; 0.1Qmax≤Q≤Qmax:±1.5%
Power Supply	3~3.6VDC
Power Consumption	MAX: 350mAh/year (40uA/h) （VCC=3.6V）（at: 25℃ or 77℉）
Temperature Measurement	YES
Working Pressure	0~20kPa / 0~2.90psi
Pressure loss	200pa / 0.029psi or less (at Qmax)
Working Temperature	-25℃~55℃ / -77℉~131℉
Storage Temperature	-30℃~70℃ / -86℉~158℉
Working Humidity	≤95% RH without condensation