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Smart Thermal Gas Meter-Domesticg1.6/2.5/4/6

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Min Order 3000 Pieces
Availability In Stock
Shipping From Zhejiang, China
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Kind:
Intelligent Gas Meter
Diameter:
<25mm
Precision Grade:
0.015
Application:
Civil
Starting Flow:
<0.5m³/h
Type:
G1.6
Measuring Range:
(0.016~2.5) M3/H
Standard Temperature for Volume Output:
15oc
Standard Pressure for Volume Output:
1013.25mbar
Accuracy Class:
1.5
Measuring Accuracy:
Qmin≤q<Qt,
Measurement Resolution:
0.1L
Operating Temperature Range:
-25oc to 55oc
Max. Operating Pressure:
0.5bar
Max. Pressure Drop:
< 2mbar at Qmax
Gas Application:
2ND Family Group H and L (En 437)
Trademark:
Goldcard
Transport Package:
6PCS/Carton
Specification:
OIML R137, EN1359, CE
Origin:
China, Hangzhou
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.
 
TypeJGM1.6S-GJGM2.5S-GJGM4S-RJGM6S-R
G1.6G2.5G4G6
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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