Infrared sensor solution for height measuring instrument: Low-power distance measurement module WTU201F2 B004

Height measuring instruments are widely used in medical and educational fields, and the application of infrared distance measurement modules in these instruments has become a new technical approach. The infrared distance measurement module is a ranging device based on infrared technology. In height measuring instruments, it can accurately measure human height. Compared with traditional measuring methods, the infrared module offers faster measurement speed, smaller error, and a more convenient process

WTU201F2 B004 is a newly developed infrared (IR) sensor module by Shenzhen Veton Zhiyin. This module is compact in size, supports object detection distances up to 100 cm, and offers four detection response speeds. It features a distance-learning function, high anti-interference capability, is unaffected by stray signals, and has low standby power consumption (≤12 μA). In terms of ease of use, the WTU201F2 B004 adopts a modular design to shorten product development time, and provides both I/O and UART communication interfaces for user selection. Each module’s characteristics can be quickly adjusted, enabling fast and convenient development.

Features of WTU201F2 B004 infrared distance measurement module:

• Operating voltage: 3.0V–5.5V

• Low power consumption (≤12 μA)

• Strong anti-interference capability

• Operating current: 45 μA

• (3.3V / detection distance 70 cm / detection time = 0.5 s)

• Standby current: 12 μA

• (3.3V / default test distance 70 cm / detection time = 0.5 s)

• Wide operating range: 1–100 cm

• Factory calibration

• Distance-learning function

• Selectable communication interface: UART mode or I/O mode

• Measurement angle: 90° ± 5°

• Four detection response speeds available

• Operating temperature: -20℃ to 85℃

The WTU201F2 B004 infrared distance measurement module offers multiple advantages in height measuring instrument applications, including high measurement accuracy, compact size, strong anti-interference, and ease of development. With ongoing innovation and technological progress, its applications in height measuring instruments will become increasingly widespread.

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