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Ultrasonic Gas Meter Module

USM Module Series

Ultrasonic Gas Meter Module G2.5M-G4M uses a pair of ultrasonic gas transducers that installed oppositely at upstream and downstream, based on TOF (Time of Speed) principle to measure flow velocity of gas medium, with built-in temperature and smart software algorithm, consumed gas volume can be calculated and displayed on meter’s screen.
PCI patented L shape gas flow channel, the effective distance between two transducers are longer, which facilitates the measurement accuracy, it's also anti-contamination that guarantees long-term stability of accuracy.

Segment: Gas Flowmeter
Division: Ultrasonic Gas Meter

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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

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 Consumption	MAX：350mAh/year(40uA/h) (VCC=3.6V) (at:25°C or77°F)
Power Supply	3-3.6VDC
Temperature Measurement	YES
Working Pressure	0~20kPa / 0~2.90psi
Pressure Loss	200pa / 0.029psi or less (at Qmax)
Working Temperature	-25℃-55℃/-77°F-131°F
Storage Temperature	-30°C-70oC/-86oF-158°F
Working Humidity	≤95% RH without condensation

Note: Higher pressure gas meters can be customized, please consult info@gasanalyzer.com.cn.