Product Overview
The BBUFM-W is a wall-mounted ultrasonic liquid flow meter for long-term online monitoring. Transit-time measurement can be paired with clamp-on, insertion, or pipe-section transducers for water, sewage, cooling water, oils, chemicals, beverages, and other acoustically conductive liquids.
The converter provides analog, pulse, relay, and isolated RS485/Modbus interfaces. With Pt100 temperature sensors, the system can also measure heating or cooling energy.
Key Features
- Wall-mounted continuous online measurement
- ±1% measurement accuracy
- Pipe sizes from DN25 to DN6000
- Clamp-on, insertion, and pipe-section transducers
- Flow and heating/cooling energy measurement
- 4-20 mA, pulse, relay, and signal interfaces
- Isolated RS485 with Modbus
- IP67 converter and IP68 transducers
- AC or DC power supply
Technical Specifications
| Parameter | Specification |
|---|---|
| Measuring principle | Ultrasonic transit time |
| Accuracy | ±1% |
| Display | 2 × 20-character backlit LCD |
| Pipe size | DN25 to DN6000 |
| Pipe materials | Steel, stainless steel, cast iron, copper, cement, PVC, aluminum, fiberglass, and lined pipes |
| Measured liquids | Water, sewage, cooling water, oils, chemicals, beverages, and other acoustically conductive liquids |
| Medium temperature | -30 to +160 °C, depending on transducer |
| Flow-velocity range | 0 to ±7 m/s |
| Turbidity | ≤10000 ppm with limited bubbles |
| Analog output | One 4-20 mA output |
| Pulse output | One OCT output |
| Relay outputs | Four |
| Signal inputs | Three 4-20 mA inputs |
| Temperature input | Pt100 |
| Communication | Isolated RS485 with Modbus |
| Power supply | 8 to 36 VDC or 85 to 264 VAC |
| Power consumption | 1.5 W |
| Converter temperature | -20 to +60 °C |
| Protection | IP67 converter; IP68 transducers |
| Converter dimensions | 132 × 150 × 85 mm |
Transducers and Mounting
- Clamp-on transducers for installation without cutting the pipe
- Insertion transducers for permanent fixed measurement
- Pipe-section transducers for small pipes or stable installation
- High-temperature transducers for media up to 160 °C
- Pt100 temperature sensors for heating and cooling energy measurement
Typical Applications
- Fixed pipeline flow monitoring
- Water supply, drainage, and wastewater treatment
- HVAC and energy metering
- Industrial cooling and circulating water
- Petroleum, chemical, and process control