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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Sapphire
  • Model Number: IWG 1.6S
  • type: intelligent diaphragm gas meter
  • function: wireless remote control
  • nominal flowrate: 1.6 m3/h
  • maximum flowrate: 2.5 m3/h
  • minimum flowrate: 0.016 m3/h
  • material: steel case
  • color: white grey
  • category: remote reading gas meter
  • cyclic volume: 0.7 dm3/h

Packaging & Delivery

Packaging Details 4 pcs/carton
carton size: 400mm*330mm*260mm
Delivery Time 2 weeks upon payments

Wireless remote transmission meters made by ZHEJIANG SAPPHIRE METER is a new high-tech measuring meter which accords with standards of GB/T6968-2011<Diaphragm Gas Meter>, CJ/T112-2008<IC Card Diaphragm Meter>and JG/T162-2009<Remote Transmission Meter Reading System for Residence>. This kind of remote reading gas meter has the functions of wireless automatic data reading, automatic counting, anti-theft, status monitoring, and valve control etc. Through low-energy consuming wireless communication technology wireless remote transmission meters can automatically read and monitor gas data. It solves the difficulties of indoor reading, delayed data transmission and inconvenient management. This makes gas consumption more humanistic for users to use gas before they actually pay for it. This kind of remote reading gas meter has good cost performance and especially suitable for household gas measurement. It is one of the best gas measuring instruments for modernized gas management.


Main performance index

Power supply

DC6V (4 5 # batteries / 6V lithium batteries), the service life: dry batteries ≥ 10 months, lithium batteries is optional



Measurement grade

B grade

Power-down data retention time

≥10 years

Measurement signal

Reed pulse, direct reading module signal

Wireless communication frequencies

Using the ISM-470MHZ frequency band, no need to apply  new frequency, in line with the Authority’s technical requirements of micro-power on short distances



Transmit Power


Receiver sensitivity


Wireless communication rate


Wireless communication distance

1.2 km, open area (no shelter)


Static current:≤15uA

Data Security

8-bit and checking & encryption algorithms, secure and reliable data transmission

Working environment

Temperature:  -25°C ~ 70°C,relative humidity: RH≤93%

Design Reference Standards

- "GB/T6968-2011 Diaphragm Gas Meters"
- JG/T162-2009 "residential remote transmission system"
-CJ/T188-2004 "household meters data transmission technical conditions"

- "Micro-power (short distance) radio equipment Interim Regulations"

Maximum reading


Minimum reading


Air tightness

≤15Kpa no leakage


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