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Last modified by Edwin Chen on 2025/06/26 11:53
From version 14.14
edited by Edwin Chen
on 2025/06/25 09:28
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To version 14.23
edited by Edwin Chen
on 2025/06/25 09:30
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44 44  
45 45  == 3.1 How it works? ==
46 46  
47 -These type sensors normally install on the top of the liquid leve and use different technology (Ultrasonic/ LiDAR ToF / MicroWave Ridar) to check the liqui
47 +These type sensors normally install on the top of the liquid leve and use different technology (Ultrasonic/ LiDAR ToF / MicroWave Ridar) to check the liquid level.
48 48  
49 -Such as [[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]]. They are using ultrasonic technologic to detect the distance between the probe and a flat object such as water level.
50 50  
51 -Below is photo and URL shows how Ultrasonic Sensor works to detect Water Level
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.
52 52  
52 +Below is photo and URL shows how Ultrasonic Sensor works to detect Water Level. LiDAR ToF and MicroWave RiDar are similiar.
53 +
53 53  [[https:~~/~~/www.electricalvolt.com/2022/06/ultrasonic-level-transmitter-working/ >>https://www.electricalvolt.com/2022/06/ultrasonic-level-transmitter-working/]]
54 54  
55 55  [[image:image-20221217170756-1.png||height="465" width="539"]]
56 56  
57 57  
58 -When choose the ultrasonic sensor, we need to check the measure range , blind spot and angel to fit the tank.
59 +When choose the these sensors, the consideration are:
59 59  
61 +* If the measure range , blind spot and angel fit the tank installa
62 +
60 60  An important notice, if there are moisture accumulated in the sense area of Ultrasonic Probe of LDDS75/LDDS45. the reading will become invalid.
61 61  
62 62