Stock Code:300371
Heat Metering Products
Smart Heating Heat Metering Products
CRL-G Tubular Ultrasonic Heat Meter

1. Ultrasonic measuring technology with diameter pipe design, no mechanical moving parts, with low initial flowrate and high measurement accuracy.
2. No mechanical moving parts and abrasion for long lifetime, lows maintenance costs.
3. Not affected by low-quality water, lows maintenance costs.
4. Use of ultrasonic flow measurement technology, be installed in different angles without affecting measurement accuracy.
5. Multiple transmission methods, NB-IoT, optical interface, RS-485 and M-Bus, remote meter reading for easier centralized management.
6. With protection class IP68, prevent the influence of hot steam and condensed water on the meter, able to work under long-term submersion in water, and is particularly suitable for use under harsh industrial conditions.
7. High-quality seamless pipe made of stainless steel, precision machining by robot workstation.
8. Energy saving and environmental protection, no casting, no pollution, material saving.
1. Use of superior transducer and advanced measurement technology, with high measurement accuracy and fine stability.
2. Micro power consumption technology, one battery can work continuously over 10 years.
3. Recyclable stainless-steel pipe for the reduction of use costs.
4. Intelligent manufacturing for flexible customization.
It is suitable for the heat metering of public buildings, residential buildings, exchange stations and central heating (cooling) systems, and the total metering of various heat distribution methods to meet the needs of heating enterprises for big data.

Consulting Hotline:+86 400-612-5080


*Take the product actually used as the criterion

Technical Parameters
Pipe MaterialStainless steel
Nominal Diameter (mm)DN50~DN300
Temperature Range (°C)4~130 (If the range is exceeded, please specify on ordering)
Temperature Difference Range (K)3~70 (min. value of ex-factory is 0.2K)
Min. Temperature Pair Error (°C)±0.1
Max. Admissible Working Pressure (MPa)1.6/2.5
Accuracy ClassClass 2
Type of Temperature SensorPt1000,DIN/IEC751B
Protection ClassIP68
Power Supply

Lithium battery powered, one battery can work continuously over 10 years

DC10V~36V (specify on ordering)
AC220V±10%, 50Hz (If power adapter is required,  specify on ordering)
Ambient ClassClass B/C/D
Data CommunicationOptical Interface/ RS-485/ M-Bus /NB-IoT
Data Storage(EEPROM)Heat quantity, cumulative flowrate and corresponding time and the max. thermal power of the current month stored by month; The data of the past 24 months can be automatically stored

Support & Cooperation

Please contact us at any time if you have questions in product selection, material procurement, as well as business & technology cooperation.

Huizhong Instrumentation Co., Ltd. ICP:Ji ICP Bei No. 11006660-1 Company address:No.126 West Gaoxin Road, High Tech Industrial Zone, Tangshan, Hebei

Company telephone:400-612-5080 0315-3296878 3296898 Jgw Anbei No. 13024002000217