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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.15
edited by Xiaoling
on 2022/06/15 11:03
Change comment: There is no comment for this version
To version 175.21
edited by Xiaoling
on 2022/06/15 11:08
Change comment: There is no comment for this version

Summary

Details

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Content
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100 100  * IP66 Waterproof Enclosure
101 101  * 8500mAh Battery for long term use
102 102  
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103 103  == 1.3  Suitable Container & Liquid ==
104 104  
105 105  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
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109 109  ** Pure non metal material: <10 mm
110 110  * Pure liquid without irregular deposition.
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112 112  == 1.4  Mechanical ==
113 113  
114 114  [[image:image-20220615090910-1.png]]
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198 198  * Smart liquid control solution.
199 199  * Smart liquefied gas solution.
200 200  
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201 201  == 1.7  Precautions ==
202 202  
203 203  * At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights.
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204 204  * For containers of the same material at room temperature, the detection blind zone and detection limit height are also different for the thickness of the container.
205 205  * When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable.
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207 207  == 1.8  Pin mapping and power on ==
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722 722  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
723 723  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
724 724  
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725 725  = 4.  FAQ =
726 726  
727 727  == 4.1  What is the frequency plan for LDDS20? ==
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778 778  
779 779  * LDDS20 LoRaWAN Liquid Level Sensor x 1
780 780  
781 -Note:
782 782  
783 -Ultrasonic coupling paste and Eproxy AB glue are subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
796 +(% style="color:red" %)**Note:**
784 784  
798 +(% style="color:red" %)**Ultrasonic coupling paste**(%%) and(% style="color:red" %)** Eproxy AB glue**(%%) are subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
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785 785  **Dimension and weight**:
786 786  
787 787  * Device Size: cm