Performance characteristics
Product advantages
● Support modular replacement of different communication methods such as NB IoT, GPRS, LoRa/LoRaWan;
● Support modular replacement of different networks such as telecommunications, mobile, and China Unicom;
● Support WeChat code scanning, Alipay code scanning and other code scanning functions;
● Support Huawei certified peak shaving optimization algorithm for more reliable communication;
Support multiple tiered billing models and remote price adjustment functions, including heating season and non heating season;
● Support big data backend analysis and processing, easily achieve various data comparisons, and deep data mining.
Main performance and characteristics
Measurement method: Supports both amount measurement and gas measurement, and can be switched;
Data Collection: Supports 24-hour usage data collection function, facilitating big data analysis;
Step by step gas pricing: Implement multiple step by step billing models for heating and non heating seasons on the meter end, determined based on the functionality of the meter;
● Fault reporting: In the event of a fault, actively upload it to the network, and promptly monitor any abnormal meters;
Remote query: Users can query their usage history information of instruments remotely.
Technical Parameter
Technical parameters/model | G1.6S | G2.5S | G4S | WG2.5S | G1.6SM | G2.5SM | G1.6AM | G2.5AM | |
Nominal flow rate m ³/h | 1.6 | 2.5 | 4 | 2.5 | 1.6 | 2.5 | 1.6 | 2.5 | |
Maximum flow rate m ³/h | 2.5 | 4 | 6 | 6 | 2.5 | 4 | 2.5 | 4 | |
Minimum flow rate m ³/h | 0.016 | 0.025 | 0.04 | 0.016 | 0.016 | 0.025 | 0.016 | 0.025 | |
Working pressure kPa | 0.5~50 | ||||||||
Indication error | 0.1qmax≤q≤qmax | ±1.5% | |||||||
qmin≤0.1qmax | ±3% | ||||||||
Rotating volume dm ³ | 1.2 | 0.8 | |||||||
Working voltage VCD |
Built in 3.6V lithium battery
|
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Battery Life Year | Depending on the data reporting cycle, it can take up to 10 years | ||||||||
Pulse constant m ³/Pulse | 0.01 | ||||||||
Total pressure loss Pa | ≤ 200 (without valve), ≤ 250 (with valve) | ||||||||
Static current μ A | <10 |
External dimensions

A | 90±0.50 110±0.50 130±0.50 | |
B | M26×1.5-6g M30×2-6g G¾"B G1"B | G1¼"B |
C | 226 |
218 |
A | 90±0.50 110±0.50 130±0.50 | |
B | M26×1.5-6g M30×2-6g G¾"B G1"B | G1¼"B |
C | 226 |
218 |
A | 90±0.50 110±0.50 130±0.50 | |
B | M26×1.5-6g M30×2-6g G¾"B G1"B | G1¼"B |
C | 226 |
218 |
A | 90±0.50 110±0.50 130±0.50 | |
B | M26×1.5-6g M30×2-6g G¾"B G1"B | G1¼"B |
C | 226 | 218 |

A | 130±0.50 110±0.50 90±0.50 | |
B | M26×1.5-6g M30×2-6g G¾"B G1"B | G1¼"B |
C | 195 | |
D | 204@A =130 184@A =110 or 90 |

A | 130±0.50 110±0.50 90±0.50 | |
B | M26×1.5-6g M30×2-6g G⅞"BG¾"B | |
C | 196.5 |