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 Huawei certified peak shaving optimization algorithm for more reliable communication;
● Support dual channel recharge methods for IoT and IC card media;
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;
Network timing: When any network connection is successful, automatic network timing is achieved to maintain clock accuracy;
Press the button to open the valve: Power on and press the button to open the valve to ensure safe gas use. After troubleshooting, press the button to open the valve to ensure normal ventilation;
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;
● Reporting cycle: Customized automatic networking data reporting cycle on the table end, allowing users to view data with just one click;
● Fault reporting: In the event of a fault, actively upload it to the network, and promptly monitor any abnormal meters;
Remote valve control: can remotely control the valve, and in case of emergencies or malicious arrears, remotely close the valve;
Remote query: Users can query their usage history information of instruments remotely.
Technical Parameter
Technical parameters/model | IG1.6S-GI IG1.6S-G |
IG2.5S-GI IG2.5S-G |
IG4S-GI IG4S-G |
IWG2.5S-GI IWG2.5S-G |
|
Nominal flow rate m ³/h | 1.6 | 2.5 | 4 | 2.5 | |
Maximum flow rate m ³/h | 2.5 | 4 | 6 | 6 | |
Minimum flow rate m ³/h | 0.016 | 0.025 | 0.04 | 0.016 | |
Pressure loss Pa | ≤250 | ||||
Working pressure range kPa | 0.5~50 | ||||
Indication error | 0.1qmax≤q≤qmax | ±1.5% | |||
qmin≤0.1qmax | ±3% | ||||
accuracy class | Level 1.5 | ||||
working voltage | External DC6V (4 units of 5 # alkaline batteries) | ||||
BATTERY LIFE | Depending on the data reporting cycle, it can last for more than 1 year | ||||
Data collection method | double pulse | ||||
Quiescent current | <30μA | ||||
Supporting frequency bands | NB IoT/GPRS public network authorized frequency band | ||||
Communication Distance | NB IoT/GPRS network coverage | ||||
communication cycle | Customizable hours, days, and months | ||||
Environmental parameters | Working temperature: -10 ℃~+40 ℃ Storage temperature: -20 ℃~+60 ℃ Working humidity: 5%~93% No condensation |
optional field | Specific configuration | notes |
Sampling method | Reed pipe, Hall instrument | Can be accurately measured |
Compensation measurement | Mechanical temperature compensation, electronic temperature compensation, electronic temperature and pressure compensation | Realize temperature or temperature pressure measurement compensation |
Anti reverse function | Steel shell table can be optionally equipped with anti backflow device | Realizing gas meter reverse installation and suffocating |
Leakage alarm | Optional external gas leak alarm | Realize gas meter leakage alarm and automatic valve closing |
measuring method | Gas volume measurement and amount measurement can be switched | Satisfy different application needs, with adjustable amount measurement and pricing |
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 |