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Last modified by Edwin Chen on 2025/06/26 11:53
From version 14.20
edited by Edwin Chen
on 2025/06/25 09:28
Change comment: There is no comment for this version
To version 14.21
edited by Edwin Chen
on 2025/06/25 09:28
Change comment: There is no comment for this version

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50 50  For example: [[LDDS75>>https://www.dragino.com/products/distance-level-sensor/item/161-ldds75.html]] / [[LDDS45>>https://www.dragino.com/products/distance-level-sensor/item/191-ldds45.html]] are using ultrasonic technologic to detect the distance between the probe and a flat object such as water level.
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52 -Below is photo and URL shows how Ultrasonic Sensor works to detect Water Level
52 +Below is photo and URL shows how Ultrasonic Sensor works to detect Water Level. Li
53 53  
54 54  [[https:~~/~~/www.electricalvolt.com/2022/06/ultrasonic-level-transmitter-working/ >>https://www.electricalvolt.com/2022/06/ultrasonic-level-transmitter-working/]]
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