Prepaid Gas Meter/Smart Steel Shell Membrane Gas Meter G1.6/G2.5/G4
US $22.00-$32.00
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Model | |||||
ZZ-L-1.6D-2V1.0 | ZZ-L-2.5 D-2V1.0 | ZZ-L-4.0 D-2V1.0 | |||
Max flow(m3/h) | 2.5 | 4 | 6 | ||
Min flow(m3/h) | 0.016 | 0.025 | 0.04 | ||
Wireless communication | NB-IoT, LoRa, LoRaWAN | ||||
Measurement accuracy grade | B | ||||
Minimum reading | 0.001m³ | ||||
Max reading max working pressure | 99999.999m³ | ||||
0.1qmax≤q≤qmax ±1.5% | |||||
30KPa | |||||
Tightness | Input 1.5 times the maximum working pressure of air, which will not leak for three minutes | ||||
Long-term running performance | After 2000 hours of operation at maximum flow rate, it meets the national standard requirements of GB/T6968-1997 "Membrane Gas Meter" | ||||
Communication frequency | 470-510MHz | ||||
Emission current | 110mA | ||||
Receive current | 20mA | ||||
Static power | ≤5μA | ||||
Tightness | No leakage when ≤15kPa | ||||
User stealing | Automatically close the valve and prompt | ||||
Alarm method | Close valve alarm |