Here are some common specifications and product features:

Common Specifications:

- Principle: Transit-time sonic flow meter

- Accuracy: 1%

- Display: LCD backlight display

- Output: RS 485, pulse, 4 to 20mA, relay

- Input: 3-way 4-20mA for pressure, temperature, and level

- Data Logger: External SD card (optional) - 2GB

- Flow Rate: 0 to +/- 7 m/s

- Power Supply: 8 to 36 V DC or 85 to 264 V AC

- Transducer: IP-67/EX

- Pipe Material: Suitable for various materials, including steel, stainless steel, cast iron, copper, cement pipe, PVC, aluminum, and glass steel products, with liner compatibility.

Product Features:

- High Reliability: Utilizes low voltage, multi-pulse technology to improve accuracy, useful life, and overall reliability.

- Wide Measuring Range: Offers several types of transducers for different pipe sizes, ranging from Dn15mm to Dn6000mm.

- Strong Anti-Interference: Incorporates a dual-balance signal differential receiver/driver circuit to prevent interference from external sources like converters, TV towers, and high-voltage lines.

- Powerful Recording Function: Automatically records various data, such as totalizer data for the last 512 days, 128 months, and 10 years; power on/off events and their corresponding flow rates for the last 64 times; and working status for the last 32 days.

- Support for Heat Measurement: By connecting a temperature transducer, it can be used for heat and energy measurement.

- Support for SD Card Memory: Optional SD card support.

Range:

- Clamp-on Transducer: DN 15 to DN 100, DN 50 to 700, DN 300 to 6000

- Insert Type Transducer: DN 80 to DN 6000

- Inline Pipe: DN 15 to DN 6000

These flow meters offer a wide range of capabilities and are suitable for various industrial applications. For more details, you can contact the company or download their catalog.