Ultrasonic heat meter combines ultrasonic flow sensor and dual PT100 temperature probes to calculate heating/cooling energy. It fits DN15–6000 pipes, supports multi-transducer types, with data logging and RS485 communication for HVAC energy metering.
Integrates flow detection + dual PT100 temperature probes to calculate heat/cold energy
Compatible with clamp-on, insertion, inline three types of transducers
Covers DN15–6000 pipe sizes, suitable for heating & cooling water
No internal moving parts, low pressure loss and long service life
Supports multi-path measurement for stable high-precision data
Built-in data logging, customizable storage interval
Multiple communication: RS485 Modbus,4-20mA output
Complete heat accumulation statistics, supports monthly data filing
Wide temperature range -30℃~160℃, adapt various pipeline conditions
| Measurement Accuracy | 1.5 class |
| Repeatability | 0.2% |
| Flow Velocity Range | 0.5~5m/s |
| Measuring Principle | Ultrasonic propagation time difference principle, dual CPU parallel operation, 4-byte floating-point operation |
| Measuring Period | 500mS (2 times per second) |
| Working Power Supply | Isolated DC8-36V or AC85-264V |
| Signal Input | 3-channel 4-20mA analog input, can input pressure, liquid level, temperature and other signals; 2-channel 3-wire platinum resistance |
| 1-channel standard isolated RS485 output, 1-channel isolated 4-20mA or 0-20mA output (active/passive optional) | |
| Signal Output | Optional HART protocol; Dual-channel isolated OCT output |
| 1-channel bidirectional serial, peripheral universal interface, connect 4-20mA, frequency signal, thermal printer, data recorder, etc. | |
| Communication Protocol | Modbus RTU protocol |
| Power Consumption | Working current 50mA (under the condition of no keyboard connection and no buzzer sound) |
| Sensor | External type, insertion type and pipe segment type |
| The ultrasonic flow meter can be connected to a 3-wire PT100/PT1000 to achieve heat measurement wiring. | |
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