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USM Module Series
Ultrasonic Gas Meter Module
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
Features
    • Patented L-shape structure based on ultrasonic technology
    • Anti-contamination, stable flow field distribution, long-term stability of accuracy
    • Class 1.5 accuracy with intelligent software algorithm for air, 100% CH4, H1 and different natural gases
    • No moving parts, no mechanical wear that leads to degradation of accuracy
    • Low pressure loss due to absence of obstructing objects within flow path
    • Low power consumption
    • UART/TTL interface with direct output for easy integration
    • Small size which permits compact designs
    • In-house clean production
    • Compliant to OIML R137 and MID
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

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
0-50kPa/0-7.25psi
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

For more details, please feel free to contact our sales: info@gasanalyzer.com.cn.

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Email: info@gasanalyzer.com.cn

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