G4 Steel Domestic Smart Gas Meter-Zigbee/GPRS/Wmbus

Overview
Research and development of UK smart gas meter is aimed to satisfy UK gas market. As a part of gas measurement in whole SMS solution, this product has friendly Human-Machine Interface (HMI) which is able to upload gas information at regular time to HUB and is featured by data security encryption, configurable multi-rate, comprehensive data record, and remote data operation and control to gas meter through master station.

Main features
- Design in accordance to smart meter specifications
- Field swappable battery
- Remotely valve operation
- Remotely upgradeable firmware
- Easy operation and maintenance through advanced 3 push-button human-machine interface
- Approved to EN 1359
- High accuracy and long-term stability
- Temperature compensation
-  Large and clear view enabling LCD display with backlight illumination
Physical Dimension
- Size             228×268×152mm
- Weight         ≤3Kg
- Two pipe      152.4mm(6″)
- Meter joint thread1 1?4″
Technical Specifications
- Meter Size: G4
- Measuring Range: 0.04~6 m3/h
- Measuring Accuracy: 1.5 (MID)
- Cyclic volume: 1.2 / 2L
- IP Protection: IP65
- Maximum operating pressure: 0.15bar
- Operating Temperature Range: -10~40ºC
- Measured Gas type: Natural gas, air, and all non-corrosive gases
- Battery life: ≥10 years (1 section 3.6V D + 1 section 3.6V AA lithium battery )
- Display: Dot matrix LCD (with backlight)
- Display resolution      9 data bits, including 4 decimal places.
- Measurements displayed to 0.1 litre resolution (0.0001 m3)
- Buttons: 3
Communications
- GBCS baseline specification
- DLMS/COSEM compliant
- HAN: ZigBee SEP1.2 (<10mW)
- HAN module field replaceable
- Optical port: IEC62056-21
Security
- AES-128/ECC data encryption
- Meter cover open detections
- Hardware security chip with TRNG
Comply to GBCS data security
- Beeper alarm
Data logging
- Daily read log
- Dynamic multi-tariff calculation
- Billing data log, triggered by an end of billing event
- 100 records of Event log
- Parameter change log
- Half hourly data stored locally
- Network data log
- Profile data log for three month
TOU
Gas meter supports two tariff types,Time-of-use Pricing and Time-of-use with Block Pricing. The two tariff types can be switched through remote commands.
Gas meter support pre-set tariff types, it means that execute one tariff type and pre-set another tariff type, when gas meter system reach pre-set time, it will switch to another tariff type automatically.
Directives
- 2004/22/EC (MID)
- 1999/5/EC (RTTE)
- 2004/108/EC (EMC)
- EN1359:1998-A1:2006
- ATEX directive 94/9/EC