Wuhan Time Wave Network Technology Co., Ltd.
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IoT Based LoRaWAN Gas Metering Solution Smart For Gas Consumption Management Energy Smart Gas Meters
1. Intelligent gas meter is a new generation of centralized reading gas meter terminal. It is applicable to the flow measurement of natural gas, liquefied petroleum gas, artificial gas and other gases. It integrates gas meter metering, remote reading and monitoring. The meter has the characteristics of high reliability, high accuracy and low power consumption.
1. Adopt LoRaWAN wireless technology. Effectively increase the anti-interference ability of the communication system and improve the accuracy of the received data.
Aluminum shell Steel shell
Specifications | G(J)1.6 | G(J)2.5 | G(J)4 |
Nominal flow(m3 /h) | 1.6 | 2.5 | 4 |
Maximum flow(m3 /h) | 2.5 | 4.0 | 6.0 |
Minimum flow(m3 /h) | 0.016 | 0.025 | 0.040 |
| Working Pressures(kPa) | ≤30 |
| Total Pressure Loss(Pa) | ≤250 |
| Accuracy Level | 1.5 Class |
| Basic Error Lines | qmin≤q< qt ±3.0% qt≤q≤qmax ±1.5% |
| The tightness of the machine | It can last for 3 minutes without leakage under 1.5 times of the maximum working pressure |
| Operating Ambient Temperature(℃) | -25℃～ +40℃ |
| Inlet and Outlet Connector Threads | M30×2 |
| Maximum Display Capacity of LCD(m3) | 999999 |
| Maximum reading of base meter(m3) | 99999.999 |
| Power supply mode | Four AA Alkaline dry batteries(AA LR6 1.5V) |
| LoRaWAN frequency band (MHz) | CN470,RU864,IN865,EU868,US/AU915,KR920,AS923_1/2/3/4, Custom Channels |
| Barrier-free meter reading distance | >3000m |
| Compliant standards | GB/T 6968-2019,GB/T 3836-2021 |
*Specification and model description: G is aluminum shell meter, J is iron shell meter.
•Consumption: cumulative consumption of gas meter
1.The installation shall be carried out in accordance with GB/T 3836.15-2017 Explosive Atmospheres - Part 15: Design, Selection and Installation of Electrical Installations. The installation of meters shall be carried out by professionals of the gas company for initial installation and commissioning.
2. This product has undergone explosion-proof treatment and shall not be changed at will.
3. The product shall not be collided or severely impacted during transportation, and shall be protected from rain and sand.
4. This product should be stored in a ventilated and dry place.
5. It is prohibited to detect leakage in case of open fire. When piloting fire, the air in the gas meter must be exhausted to prevent accidents.
6. When installing the battery, note that the side with the spring is the negative pole of the battery. The battery shall be replaced under the condition of good ventilation and no gas leakage.
7. Electrostatic hazard, so must be wiped with wrung wet cloth.