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

Product Details

Product Description

Product Description
Introduction
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.
Features
1. Stable flow field distribution
2. High sensitivity and accuracy with intelligent software algorithm for air, different natural gases, natural gas+up to 23%H2, and LPG
3. Low pressure loss due to absence of obstructing objects within flow path
4. Low power consumption
5. Comes with integrated temperature compensation as standard, with optional pressure compensation available
6. UART/TTL interface with direct output for connection
7. Small footprint which permit compact designs
8. Compliant to OIML R137 and EN14236 class 1.5
Specifications

Measurement Range	USM-MN-G1.6: 0.016~2.5 m³/h [0.57~ 88.29 ft³/h] USM-MN-G2.5: 0.025~4 m³/h [0.88~ 141.26 ft³/h] USM-MN-G4: 0.04~6 m³/h [1.41~ 211.88 ft³/h]	USM-MP-G1.6: 0.016~2.5 m³/h [0.57~ 88.29 ft³/h] USM-MP-G2.5: 0.025~4 m³/h [0.88~ 141.26 ft³/h] USM-MP-G4: 0.04~6 m³/h [1.41~ 211.88 ft³/h]	USM-MN-L-G1.6: 0.016~2.5 m³/h [0.57~ 88.29 ft³/h] USM-MN-L-G2.5: 0.025~4 m³/h [0.88~ 141.26 ft³/h] USM-MN-L-G4: 0.04~6 m³/h [1.41~ 211.88 ft³/h]	USM-MP-L-G1.6: 0.016~2.5 m³/h [0.57~ 88.29 ft³/h] USM-MP-L-G2.5: 0.025~4 m³/h [0.88~ 141.26 ft³/h] USM-MP-L-G4: 0.04~6 m³/h [1.41~ 211.88 ft³/h]
Accuracy	Class 1.5	Class 1.5	Class 1.5	Class 1.5
Error (-25℃~+55℃)	Qmin≤Q<0.1Qmax: ±3% 0.1Qmax≤Q≤Qmax: ±1.5%	Qmin≤Q<0.1Qmax: ±3% 0.1Qmax≤Q≤Qmax: ±1.5%	Qmin≤Q<0.1Qmax: ±3% 0.1Qmax≤Q≤Qmax: ±1.5%	Qmin≤Q<0.1Qmax: ±3% 0.1Qmax≤Q≤Qmax: ±1.5%
Additional permissible error outside the temperature range from -25℃ to +55℃ for every 10℃ deviation from the range limit	-	-	±4%	±4%
Gas Medium	Natural Gas/Natural Gas+23%H2	LPG	Natural Gas/Natural Gas+23%H2	LPG
Power Supply	3~3.6VDC	3~3.6VDC	3~3.6VDC	3~3.6VDC
Dimension (mm)	108.2*40.1*52.9	108.2*40.1*52.9	108.2*40.1*52.9	108.2*40.1*52.9
Weight (g)	70	70	70	70
Temperature Measurement	YES	YES	YES	YES
Working Pressure	0~20kPa / 0~2.90psi	0~20kPa / 0~2.90psi	0~20kPa / 0~2.90psi	0~20kPa / 0~2.90psi
Pressure Loss	200pa / 0.029psi or less (at Qmax)	200pa / 0.029psi or less (at Qmax)	200pa / 0.029psi or less (at Qmax)	200pa / 0.029psi or less (at Qmax)
Working Temperature	USM-MN/MP-Series: -25℃~+55℃/-13℉~+131℉	USM-MN/MP-Series: -25℃~+55℃/-13℉~+131℉	USM-MN/MP-L-Series: -40℃~+60℃/-40℉~+140℉	USM-MN/MP-L-Series: -40℃~+60℃/-40℉~+140℉
Storage Temperature	USM-MN/MP-Series: -25℃~+70℃/-13℉~+158℉	USM-MN/MP-Series: -25℃~+70℃/-13℉~+158℉	USM-MN/MP-L-Series: -40℃~+70℃/-40℉~+158℉	USM-MN/MP-L-Series: -40℃~+70℃/-40℉~+158℉
Ex-proof Grade	ExibIIBT4 Gb	ExibIIBT4 Gb	ExibIIBT4 Gb	ExibIIBT4 Gb

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