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ZG-D-W Wireless Smart Gas Meter

The ZG-D-W wireless smart gas meter is a kind of high-tech mechatronic product to measure the gas consumption with mechanic mechanism and to manage the consumption data with micro-electronic control circuit. It has been built in wireless mesh communication module to exchange data with HHU or concentrator.

Reference standard Comply with national standard GB/T 6968-2011
Accuracy class Level B
Specification G1.6
Normal working condition Pressure range 0.5KPa - 30KPa
Maximum working pressure 30KPa
Total pressure loss ≤ 250Pa
Airproof The meter is able to withstand 50Kpa pressure without leaking
Temperature 0℃~40℃
Humidity Relative humidity 93%
Protection class IP54
Anti-hazard class Exib ll Bt3
Working life 10 years
Quiescent current ≤ 30µA
Max transient current 100mA
Battery life Lithium battery ≥ 10 years
Valve life Effective switching time ≥ 10000
Wireless communication frequency range 470nMHz~ 510MHz
Width of communication frequency range 200KHz
Transmit power ≤ 50mW
Receiving sensitivity -118dBm
Receive electric < 20mA
Transmission distance 1000m(barrier-free distance)
Metering method (optional) Double reed switch sampling mode
Photoelectric direct reading
Pulse counting
Long-life photoelectric sensor

Features and Benefits
1. Metering function
This ZG-D-W wireless smart gas meter adopts magnetic collector and photoelectricity direct reading technology to measure the gas consumption.
2. Data wireless transmission
Data transmission with collector device via RF channel
3. Data inquiry
Provide real-time consumption data, meter status and historic data
4. Alarm
Raise the alarm automatically when battery is low
5. Anti-magnetic design
Automatically record magnetic disturbance and close valve to cut off gas supply at the same time
6. Valve control
The valve can be opened or closed by system, concentrator or hand hold unit
7. Local prepayment (optional)
Our wireless smart gas meter supports prepayment through wireless network. The accumulated available purchase amount can be limited on system to avoid hoard on purpose
8. Safety
With highly reliable performance to prevent meter from being destroyed, over temperature, gas leaking and non-metering, etc.

WILLFAR as a well qualified wireless smart gas meter manufacturer, mainly manufacture gas meter, water meter, electric meter and data management instrument, like data logger, data concentrator, data collector, power and energy monitor . To serve daily life much better, WILLFAR company also provides smart meter system and custom energy efficiency management solutions in client demands.

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