ESMTUF2000P Portable Ultrasonic Flow Meter with Printing Function
Working Principle
The time-difference method is usually used, where an external clamp-on sensor emits and receives ultrasonic waves, measures the difference in propagation time of the ultrasonic waves in the fluid in the downstream and upstream directions, and then calculates the fluid flow velocity. Combined with parameters such as the pipe's cross-sectional area, the flow rate can be determined.
Product Features
- No need to break the pipeline or stop production; the sensor does not come into contact with the measured medium and causes no pressure loss.
- Small in size and lightweight, with a built-in rechargeable battery, it can work continuously for more than 12 hours, making it convenient for portable and mobile measurements.
- It also has a data recording function, which can record information such as dates and cumulative flow, and some models come with an intelligent on-site printing function.
Product detail

Technical Specifications
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Items |
Spec |
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Main Unit |
2 line x 20 character LCD with backlight Working temperature: -20--60℃ |
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Mini thermal printer with 24 line character output |
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4x4+2 pushbutton keypad |
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RS485 serial port, can download the newest software upgrading on our company’s website |
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Transducers |
THS-1: small size transducer (magnetic) for pipe size: DN15-100mm, liquid temperature ≤160℃ |
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THM-1:medium size transducer (magnetic) for pipe size:DN50-1000mm, liquid temperature ≤160℃ |
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THL-1: Large size transducer (magnetic) for pipe size: DN300-6000mm, liquid temperature ≤160℃ |
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Liquid types |
Water, sea water, industrial sewage, acid and alkali liquid, various oils etc. liquid which can transmit sound wave. |
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Flow velocity range |
0-±30m/s |
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Accuracy |
Better than ±1% |
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Power Supply |
Built-in rechargeable Ni-MH battery (for 20 hours operation) or AC 220V |
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Power Consumption |
1.5W |
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Charging |
Intelligent charging with AC 220V. After charging sufficiently, it automatically stop and display green light |
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Weight |
Net weight: 2.5kg (main unit) |
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Remarks |
With a high strength carrying case suitable for normal and harsh environment |















