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

Kind: Intelligent Gas Meter
Diameter: <25mm
Precision Grade: 0.015
Application: Civil
Starting Flow: <0.5m³/h
Type: G1.6
Customization:

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Basic Info.

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)
Transport Package
6PCS/Carton
Specification
OIML R137, EN1359, CE
Trademark
Goldcard
Origin
China, Hangzhou
HS Code
90281010
Production Capacity
3, 000, 000 PCS/Year

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.
 
Type JGM1.6S-G JGM2.5S-G JGM4S-R JGM6S-R
G1.6 G2.5 G4 G6
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 Output 15ºC (Other standard temperature on request )
Standard Pressure for Volume Output 1013.25mbar
Accuracy Class 1.5
Measuring Accuracy Qmin≤Q<Qt, -3%≤E≤+3%
Qt≤Q≤Qmax, -1.5%≤E≤+1.5%
Measurement Resolution 0.1L
Operating Temperature Range -25ºC to 55ºC
Max. Operating Pressure 0.5bar (Valve operation up to 0.1bar )
Max. Pressure Drop < 2mbar at Qmax
Ingress Protection IP65
ATEX EX II 3C Exic IIA T3 Gc (Zone 2)
Gas application 2nd Family Group H and L  (EN 437)
Valve Compliancy with EN16314
Communications GPRS / Zigbee / wM-BUS
Display Matrix LCD ( with backlight)
Battery Life ≥15 years
  Smart Thermal Gas Meter-Domesticg1.6/2.5/4/6
Smart Thermal Gas Meter-Domesticg1.6/2.5/4/6
Smart Thermal Gas Meter-Domesticg1.6/2.5/4/6

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Type of Ownership
Public Company
Management System Certification
ISO 9001, ISO 14001