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Last modified by Xiaoling on 2025/04/27 16:45
From version 155.1
edited by Xiaoling
on 2022/06/15 09:05
Change comment: Uploaded new attachment "1655255122126-327.png", version {1}
To version 160.1
edited by Xiaoling
on 2022/06/15 09:10
Change comment: Uploaded new attachment "image-20220615091045-5.png", version {1}

Summary

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80 80  )))
81 81  
82 82  
83 -[[image:1654847051249-359.png]]
83 +[[image:1655255122126-327.png]]
84 84  
85 85  
86 86  
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88 88  
89 89  * LoRaWAN 1.0.3 Class A
90 90  * Ultra low power consumption
91 -* Distance Detection by Ultrasonic technology
92 -* Flat object range 280mm - 7500mm
93 -* Accuracy: ±(1cm+S*0.3%) (S: Distance)
91 +* Liquid Level Measurement by Ultrasonic technology
92 +* Measure through container, No need to contact Liquid.
93 +* Valid level range 20mm - 2000mm
94 +* Accuracy: ±(5mm+S*0.5%) (S: Measure Value)
94 94  * Cable Length : 25cm
95 95  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
96 96  * AT Commands to change parameters
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97 97  * Uplink on periodically
98 98  * Downlink to change configure
99 99  * IP66 Waterproof Enclosure
100 -* 4000mAh or 8500mAh Battery for long term use
101 +* 8500mAh Battery for long term use
101 101  
102 -== 1.3  Specification ==
103 103  
104 -=== 1.3.1  Rated environmental conditions ===
105 105  
106 -[[image:image-20220610154839-1.png]]
105 +== 1.3  Suitable Container & Liquid ==
107 107  
108 -(((
109 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
107 +* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
108 +* Container shape is regular, and surface is smooth.
109 +* Container Thickness:
110 +** Pure metal material.  2~~8mm, best is 3~~5mm
111 +** Pure non metal material: <10 mm
112 +* Pure liquid without irregular deposition.
110 110  
111 -**~ b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
112 -)))
113 113  
114 114  
116 +== 1.4  Mechanical ==
115 115  
116 -=== 1.3.2  Effective measurement range Reference beam pattern ===
118 +[[image:image-20220615090910-1.png]]
117 117  
118 -**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
119 119  
121 +[[image:image-20220615090910-2.png]]
120 120  
121 121  
122 -[[image:1654852253176-749.png]]
123 123  
124 -
125 -
126 -(((
127 -**(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
128 -)))
129 -
130 -
131 -[[image:1654852175653-550.png]](% style="display:none" %) ** **
132 -
133 -
134 -
135 135  == 1.5 ​ Applications ==
136 136  
137 137  * Horizontal distance measurement
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