Product Overview
The YFU-2000B series in-line ultrasonic flow meter/heat meter is designed to comply with JJG1030-2007 verification regulations, enhancing product reliability. It operates on the ultrasonic time difference principle and is suitable for pipeline flow measurements ranging from DN15 to DN6000.

Key Features
- High measurement accuracy and strong anti-interference capability.
- High stability and reliability with IP68 protection level, suitable for harsh environments.
- Measures fluid temperatures from -30 to 160℃ and pressures up to 4.0Mpa with an accuracy of ±0.5%.

Specifications
- Available in reflection type for DN15-32 with threaded and flange connections.
- Standard models for DN40-6000 with IP68 protection.
- Equipped with a three-wire temperature sensor for heat measurement with ±1.0% accuracy.

Technical Details
- Signal Output: 1 channel 4~20mA, OCT pulse, and relay output.
- Signal Input: 3 channel 4~20mA for temperature, pressure, and liquid level.
- Data Port: RS485, MODBUS compatible.
- Pipe Material: Compatible with steel, S/S, iron steel, copper, PVC, aluminum, etc.
- Medium: Suitable for water, sea water, industrial sewage, and other liquids that conduct ultrasonic waves.
- Power Supply: DC8-36V or AC85-264V, with a power consumption of 1.5W.

Environmental Conditions
- Operating Temperature: Host -20~60℃; Flow sensor -30~160℃.
- Working Humidity: Can be immersed in water up to 2m depth after wiring and potting.