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NB-IoT Ultrasonic Heat Meter
NB-IOT Ultrasonic Heat Meter
NB-IOT An ultrasonic heat meter is an instrument that uses ultrasonic technology to measure flow rate and display the amount of thermal energy released or absorbed as water flows through a heat exchange system. With the aid of... NB-IOT Communication methods enable remote data transmission and centralized control.
Product Parameters
Accuracy class: 2 Level
Connection method: Threaded connection
Pressure loss: <20KPa
Temperature sensor: 1.5m Standard two-wire PT1000 Temperature sensor
Power-off protection: After a power outage, the heat data, cumulative flow rate, and corresponding time recorded before the power loss are saved and automatically restored once power is resumed.
Communication method: LORA 、NB-IOT
Power supply: Built-in high-energy lithium battery 3.6v
Protection level: IP65、IP68
Environmental Level: B Level
Temperature range: 4-95 Celsius
Installation position: Horizontal or vertical
Implementation standard CJ128-2007 Heat Meter
| Caliber |
Minimum flow ( m³/h ) |
Common traffic ( m³/h ) |
Maximum flow ( m³/h ) |
| DN15 |
0.03 |
1.5 |
3 |
| DN20 |
0.05 |
2.5 |
5 |
| DN25 |
0.07 |
3.5 |
7 |
| DN32 |
0.12 |
6 |
12 |
| DN40 |
0.2 |
10 |
20 |
| DN50 |
0.15 |
15 |
30 |
| DN80 |
0.4 |
40 |
80 |
Longzhida Company Successfully Hosted the Victory Parade Commemorating the War of Resistance.
Longzhida Company Successfully Hosted the Victory Parade Commemorating the War of Resistance.
Today is a day that every Chinese person should solemnly remember—the 80th anniversary of the victory of the Chinese People’s War of Resistance Against Japanese Aggression and the World Anti-Fascist War.
On July 2, Chengde Longzhida Company held a meeting with the Sino-German Institute. After thorough discussions between the two sides, Mr. Bai, General Manager of Longzhida Company, and the faculty team from the Sino-German Institute reached a consensus: Longzhida Company officially entrusted the Sino-German Institute to carry out the design and R&D work for a new type of ultrasonic water meter.
On May 30, Longzhida Company successfully held an exceptionally meaningful event titled “Welcoming the Eighth ‘National Science and Technology Workers’ Day’: Promoting the Spirit of Scientists.”
Contact Us
Add：No.3, longzhida Road, electronic industrial park, high tech Industrial Development Zone, Chengde City, Hebei Province
Hotline: +86-15930084101
After-sales installation: +86-314-7018122
Product inquiry purchase: +86-314-2078138
After-sales maintenance: +86-314-7018122
E-mail: 310540860@qq.com
Website: www.cdlong.com
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