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Goldcard Smart Group Co., Ltd.

Thermal, Thermal Gas Meter, Prepaid manufacturer / supplier in China, offering Prepayment Domestic Smart Thermal Gas Meter, Industrial Iot Smart Gas Meter-Prepayment G10/16/25/40/65, Domestic Iot Gas Meter- Aluminum G1.6/2.5 and so on.

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Supplier Homepage Product Prepayment Gas Meter Prepayment Domestic Smart Thermal Gas Meter

Prepayment Domestic Smart Thermal Gas Meter

FOB Price: Get Latest Price
Min. Order: 3,000 Pieces
Production Capacity: 3, 000, 000 PCS/Year
Transport Package: 6PCS/Carton
Payment Terms: L/C, T/T

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Basic Info
  • Kind: Intelligent Gas Meter
  • Precision Grade: 0.015
  • Starting Flow: <0.5m³/h
  • Measuring Range: (0.016~2.5) M3/H
  • Standard Pressure for Volume Output: 1013.25mbar
  • Measuring Accuracy: Qmin≤q<Qt,
  • Operating Temperature Range: -25oc to 55oc
  • Max. Pressure Drop: < 2mbar at Qmax
  • Trademark: Goldcard
  • Origin: China, Hangzhou
  • Diameter: <25mm
  • Application: Civil
  • Type: G1.6
  • Standard Temperature for Volume Output: 15oc
  • Accuracy Class: 1.5
  • Measurement Resolution: 0.1L
  • Max. Operating Pressure: 0.5bar
  • Ingress Protection: IP65
  • Specification: OIML R137, EN1359, CE
  • HS Code: 90281010
Product Description

Main Features
Standard volume output, No additional temperature and pressure compensation needed
Working condition volume output, based on real-time temperature and setting pressure value
No moving components, long-term stability
Compact design, smaller size to install easily
Resistance to 120ºC ambient temperature
Dynamic multi-tariff
Remote valve operation
Remote upgradeable firmware
Field swappable battery
Easy operation and maintenance through advanced 3 touch-button human-machine interface.
Kinds of communications module are available for various markets
Design in accordance to smart metering equipment technical specifications

Measurement Principle
The measurement principle is based on a MEMS "Micro Thermal Flow Sensing". The Fig 1 has shown that there is a micro-heating element and two temperature sensors are placed around it. The temperature difference between the two sensors will be created when the flow rate increases and it is proportional to the mass flow rate.
Measuring range(0.016~2.5) m3/h(0.025~4) m3/h(0.04~6) m3/h(0.06~10) m3/h
Standard Temperature for Volume Output15ºC (Other standard temperature on request )
Standard Pressure for Volume Output1013.25mbar
Accuracy Class1.5
Measuring AccuracyQmin≤Q<Qt, -3%≤E≤+3%
Qt≤Q≤Qmax, -1.5%≤E≤+1.5%
Measurement Resolution0.1L
Operating Temperature Range-25ºC to 55ºC
Max. Operating Pressure0.5bar (Valve operation up to 0.1bar )
Max. Pressure Drop< 2mbar at Qmax
Ingress ProtectionIP65
ATEXEX II 3C Exic IIA T3 Gc (Zone 2)
Gas application2nd Family Group H and L  (EN 437)
ValveCompliancy with EN16314
CommunicationsGPRS / Zigbee / wM-BUS
DisplayMatrix LCD ( with backlight)
Battery Life≥15 years
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