This is an ultrasonic heat meter compliant with the GB/T32224-2020 national standard, featuring a stainless steel reflector column and IP68 protection. It supports both heating and cooling measurement, offers over 10 years of battery life, and enables remote intelligent management.
1. Utilizes a stainless steel column reflector, ensuring no plastic aging, low pressure drop, and excellent metering stability.
2. Features a power-off memory function, automatically resuming metering upon power restoration.
3. Features data storage, storing 24 months of historical data.
4. Offers remote data transmission and intelligent management, with optional M-bus, RS485, LoRa, and NB-IoT communication options.
5. Features a low-power design with a battery life of over 10 years and online battery replacement.
6. Newly designed protection system with an IP68 rating.
7. Dual-use for heating and cooling, suitable for both heating and cooling metering.
8. Complies with GB/T32224-2020, a national standard of the People’s Republic of China, for heat meters.
9. Easy installation, suitable for horizontal or vertical mounting.
| index | Ultrasonic heat meter parameters | |||||||||||
| Nominal diameter DN（㎜） | 15 | 20 | 25 | 32 | 40 | |||||||
| Accuracy level | Level 2 | |||||||||||
| flow meter | Maximum flow qs（m3/h） | 1.2 | 2 | 3 | 1.2 | 2 | 3 | 5 | 5 | 7 | 12 | 20 |
| Common traffic qp（m3/h） | 0.6 | 1 | 1.5 | 0.6 | 1 | 1.5 | 2.5 | 2.5 | 3.5 | 6 | 10 | |
| Turndown ratio（R） | 50/100/250（Optional） | |||||||||||
| Nominal pressure（MPa） | 1.6 | |||||||||||
| Maximum pressure loss ΔP（KPa） | Under normal flow ΔP ≤ 25KPa | |||||||||||
| Material | brass | |||||||||||
| Temperature sensor | Sensor Type | PT1000 | ||||||||||
| Temperature measurement range(℃) | 2 ～ 95/0 ～ 105（Optional） | |||||||||||
| Wire length（m） | 1.5m Standard length | |||||||||||
| Probe installation method | Temperature measuring ball valve or temperature measuring tee | |||||||||||
| calculator | Temperature range（K） | 2 ～ 90/2 ～ 100（Optional） | ||||||||||
| Temperature resolution(℃) | 0.01 | |||||||||||
| Use environment category | B/D | |||||||||||
| LCD liquid crystal display | (8-bit, decimal) + special symbols | |||||||||||
| Data communication interface | Infrared communication interface、M-bus、NB-IoT、LoRa( Optional ) | |||||||||||
| Built-in battery working life | 3.6V high-energy lithium battery, life span greater than 10 years | |||||||||||
Shandong Dingjia Intelligent Technology Co., Ltd. is a professional company specializing in providing high-quality water meters and heat meters solutions to the global market.
Providing high-precision water and heat meters for new buildings, enabling smart water and heat management for comfort and energy savings.
Easily replace or upgrade metering systems in renovation projects, improving energy efficiency and management convenience.
Applied in smart communities, cities, and rural development, enabling remote monitoring, precise data collection, and efficient management.
