Gas Meter
3.0
Smart Meter
MAIN TECHNICAL PARAMETERS
Main Index
Specification & Type
Main index Specification & type
ZG1.6-5
ZG2.5-5
ZG4-5
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
DC3.6V(lithium battery)
Clock battery voltage
V
DC3.6 V(Lithium battery,optional)
Battery life
﹥10 years (Upload once a day)
Pulse equivalency
0.1 or 0.01
Static working current
μA
<30
Communication current
mA
<200
Communication mode
NFC, GPRS, NB-IoT
Protection class
IP 65
Remote valve control
Open, shut-off
Automatic valve control
Tampering, magnetic interference, meter cover opened, no power supply
Alarm
over flow, low voltage of battery
Data freezing
Depend on customer requirement
Log
Latest 15 valve activities
Display
8-digit LCD, icons
Button
Assist to open valve, switch screen, trigger to communicate
Seismic detection
Optional
CHINT 30
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