Audited Supplier
Pre-paid Gas Meter
<25mm
0.015
Civil
<0.5m³/h
G1.6
(0.016~2.5) M3/H
15oc
1013.25mbar
1.5
0.1L
-25oc to 55oc
0.5bar
< 2mbar at Qmax
≥15 Years
GPRS / Zigbee / Wm-Bus
Goldcard
6PCS/Carton
OIML R137, EN1359, CE
China, Hangzhou
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.
| 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 | |||
