Residential Ultrasonic Gas Meter Module.jpg

Residential Ultrasonic Gas Meter Module
USM-MN/MP-G1.6/G2.5/G4 & USM-MN/MP-L-G1.6/G2.5/G4USM-MN/MP-G1.6/G2.5/G4 & USM-MN/MP-L-G1.6/G2.5/G4

Based on ultrasonic gas flow sensor technology, USM-MN/MP-G1.6/G2.5/G4 & USM-MN/MP-L-G1.6/G2.5/G4 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-MN/MP-G1.6/G2.5/G4 & USM-MN/MP-L-G1.6/G2.5/G4 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, different natural gases，natural gas+up to 23%H2, and LPG
Anti-contamination that ensures long-term accuracy;
Low pressure loss due to absence of obstructing objects within flow path;
No moving parts, noiseless operation, no mechanical wear;
Low power consumption;
Comes with integrated temperature compensation as standard, with optional pressure compensation available;
UART/TTL interface with direct output for connection;
Small size which permits compact designs;
Mass production capacity;
Compliant to OIML R137 and EN14236 class 1.5.

Specifications

	CO2 Sensor CM1106-C
Measurement Range	USM-MN/MP-G1.6: 0.016~2.5 m?/h [0.57~ 88.29 ft?/h]; USM-MN/MP-G2.5: 0.025~4 m?/h [0.88~ 141.26 ft?/h]; USM-MN/MP-G4: 0.04~6 m?/h [1.41~ 211.88 ft?/h]; USM-MN/MP-L-G1.6: 0.016~2.5 m?/h [0.57~ 88.29 ft?/h]; USM-MN/MP-L-G2.5: 0.025~4 m?/h [0.88~ 141.26 ft?/h]; USM-MN/MP-L-G4: 0.04~6 m?/h [1.41~ 211.88 ft?/h]
Accuracy	Class 1.5
Error（-25℃~+55℃）	Qmin≤Q<0.1Qmax: ±3%; 0.1Qmax≤Q≤Qmax:±1.5%
Additional permissible error outside the temperature range from -25 ?С to +55 ?С for every 10 ?С deviation from the range limit	USM-MN/MP-Series: - ; USM-MN/MP-L-Series: ±4%
Gas Medium	USM-MN/MP-Series: Natural Gas/ Natural Gas+23%H2, LPG USM-MN/MP-L-Series: Natural Gas/ Natural Gas+23%H2, LPG
Power Supply	3~3.6VDC
Dimension (mm)	108.240.152.9
Weight (g)	70
Temperature Measurement	YES
Working Pressure	0~20kPa / 0~2.90psi
Pressure loss	200pa / 0.029psi or less (at Qmax)
Working Temperature	USM-MN/MP-Series: -25℃~+55℃ / -13℉~+131℉; USM-MN/MP-L-Series: -40℃~+60℃/-40℉~+140℉
Storage Temperature	USM-MN/MP-Series: -25℃~+70℃ / -13℉~+158℉; USM-MN/MP-L-Series: -40℃~+70℃/-40℉~+158℉
Ex-proof Grade	ExibIIBT4 Gb