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เครื่องวัดอัตราการไหลอัลตราโซนิค Teren-UFM-200H Transit Time Ultrasonic Flowmeter USB Interface, Sensor DTI-M1 DN50-700, 0-90 Degree (สินค้า Pre-Order)
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The Teren-UFM-200H is composed by a digital converter and two clamp-on ultrasonic transducers. It is designed to measure the fluid velocity of a liquid inside a closed conduit. The transducers are anon-contacting, clamp-on type, which provide benefits of non-fouling operation and easy installation. The DSP digital technology (Digital Signal Processing) ensure a low sensibility of the instrument against potential transient factors.
Specifications:
- Model: Teren-UFM-200H
- Liquid Types: Virtually all liquids
- Accuracy: ±1%
- Linearity: 0.5%
- Repeatability: 0.2%
- Velocity: ±32 m/s
- Pipe Size: DN20 ~ 3,000mm
- Liquid Temperature: 32~320 F (0~160 )
- Output: RS232 / RS485 / OCT
- Interface: USB
- SD card: 512MB ~ 32GB, SD card or SDHC card
- Display: 3.5 inch color screen, 320x240pixel, 65536 colours
- Power supply: 3 AAA Ni-H built-in batteries 100~240VAC
- Case Size: 218x103x35mm
- Handset Weight: 400g
Applications
- The Teren-UFM-200H can be applied to a wide range of measurement. The range of pipe dimensions is from 20 to 3000 mm(from 0,8 to 118 inches) and the liquids can be: ultra-pure, potable water, chemicals, raw sewage, cooling water, riverwater, plant effluent ecc. As the instrument and the transducers are non-contacting and have no moving parts, the flowmeter cannot be affected by system pressure, fouling or wear.
Working principle:
- The Teren-UFM-200H utilizes two transducers which work as ultrasonic transmitters and receivers.They are clamped on the outside of a closed pipe at a specific distance from each other. They can be mounted in V position (the sound crosses the pipe twice), in W position (the sound crosses the pipe 4 times) or in Z position (mounted on opposite sides of the pipe – the sound crosses the pipe once). The selection of the mounting position depends on pipe and on liquid characteristics.the Teren-UFM-200H operates by alternately transmitting and receiving a frequency modulated burst of sound energy between the two transducers and measuring the transit time that takes the sound to travel between them. The difference in measured transit time is directly and exactly related to the velocity of the liquid inside the pipe (fig.1).
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