Gas Meter
3.0
Smart Meter
MAIN TECHNICAL PARAMETERS
Main Index
Specification & Type
Main index Specification & type
ZG1.6S-2
ZG2.5S-2
ZG4S-2
Nominal flow-rate (qn)
m³/h
1.6
2.5
4
m 3 /h
Max. flow-rate (qmax)
2.5
4
6
m 3 /h
Min. flow-rate (qmin)
0.016
0.025
0.04
Operating pressure range kPa
0.5~50
Max. permissible error
qt≤q≤qmax qmin≤q < qt
±1.5% ±3%
Total pressure loss
Pa
≤250
m 3
Max. reading
99999.999
m 3
Min. reading
0.0002
dm 3
Cyclic volume
1.2
Working voltage
V
DC6V （ 4pcs #5 Alkaline battery ）
Reed switch or Hall double pulse
Counting sampling method
Pulse equivalency
m3/pulse
0.1 or 0.01
Static working current
μA
≤20
Carrier frequency
MHz
470~510
Transmitting power
mW
≤50
Communication speed
bps
9600
Communication distance m
Open field>3000,mInside building(30~300)m
Working way
Half-duplex
Receiving sensitivity
dBm
-120
Communication mode
LoRa
CHINT 28
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