Shanghai Zhenlan Instrument Technology Co., Ltd
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Modular IoT gas meter (base meter upgrade)
Modular IoT gas meter (base meter upgrade) is a new product developed by our company based on the development of IoT technology and market application
Product details

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
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

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