Dalian Yheng Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of industrial ultrasonic btu meter in China. Welcome to buy high quality industrial ultrasonic btu meter in stock here from our factory. If you have any enquiry about customized service, please feel free to email us.
|
Item |
Specification |
|
Executive standard |
GB/T32224-2020 |
|
Nominal diameter |
DN15-DN400 |
|
Temperature range |
Nominal diameter<DN50: 4–90℃; Nominal diameter≥DN50: 4–130℃ |
|
Temperature difference range |
0–85 K (starting temperature difference 0.2 K) |
|
Minimum pairing temperature error |
±0.1℃ |
|
Maximum working pressure |
1.6 MPa, 2.5 MPa optional |
|
Accuracy grade |
Grade 2 |
|
Protection grade |
IP68 |
|
Temperature sensor type |
PT1000, DIN/IEC751B |
|
Working power supply |
3.6V lithium battery (work >6 years); DC8–24V; AC220V 50Hz optional |
|
Working environment |
Environment class A / B / C / D |
|
Power consumption |
Standard state <30 μA, continuous working up to 20 years |
|
Optical interface |
Baud rate: 9600 (default), 4800, 2400, 600, 300 bps; GB/T 26831 |
|
RS485/M-BUS |
Baud rate: 9600 (default), 4800, 2400, 600, 300 bps; distance ≤150 m; GB/T26831, CJ/T188, Modbus RTU optional |
|
Wireless communication |
NB-IoT, 4G network communication optional |
|
Local display |
9-digit cumulative, 6-digit instantaneous flow, supply/return temperature, temperature difference, cumulative running time |
|
Display resolution |
Heat: 0.1 kW·h; Cumulative flow: 0.001 m³; Temperature: 0.01℃; Temperature difference: 0.01 K |
|
Storage temperature |
-25~55℃ |
|
Data storage |
Ferroelectric memory; monthly storage of heat, flow, time; record 32 months & 31 days history |
|
Pressure loss at common flow |
<DN50: △P40; ≥DN50: △P10 |
|
Temperature sensor cable length |
<DN50: 1.3 m; ≥DN50: 5 m (customizable) |
|
Installation position |
Water supply end (specify for return end) |
|
Material |
<DN50: copper, optional 304/316 stainless steel; ≥DN50: carbon steel (sensor stainless steel), optional 304/316 |
Features
● Ultra-Low Power Consumption: Operates on a 3.6V lithium battery with a lifespan of over 6 years. In standard conditions, power consumption is less than 30uA, allowing for up to 20 years of continuous operation.
● High Accuracy: Accuracy Class 2 with PT1000 temperature sensors (DIN/IEC751 B) and a minimum temperature difference of 0.2K.
● Wide Measurement Range: Supports nominal diameters from DN15 to DN400 with flow rates ranging from 0.0014 m³/h to 2000 m³/h.
● Dual and Four-Channel Ultrasonic Technology: Enhances measurement stability and reliability, especially in large-diameter pipes.
● Multiple Communication Interfaces: Includes RS485, M-Bus, NB-IoT, and 4G for wired or wireless data transmission. Supports GB/T 26831, C/J/T 188, and Modbus RTU protocols.
● Comprehensive Local Display: Double-line LCD shows cumulative heat, instantaneous flow, supply/return temperatures, temperature difference, and runtime.
● Data Storage: Ferroelectric memory stores monthly and daily historical data for up to 32 months and 31 days.
● High Durability: IP68-rated enclosure and robust materials ensure long-term performance in harsh environments.
● Flexible Power Options: Choose from 3.6V battery, DC 8-24V, or AC 220V with adapter.
Applications
Suitable for thermal energy measurement in heating and cooling systems. Used for accurate billing, energy management and monitoring in residential, commercial and industrial scenarios.






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