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Last modified by Xiaoling on 2025/04/27 16:45
From version 162.1
edited by Xiaoling
on 2022/06/15 09:10
Change comment: Uploaded new attachment "image-20220615091045-7.png", version {1}
To version 155.1
edited by Xiaoling
on 2022/06/15 09:05
Change comment: Uploaded new attachment "1655255122126-327.png", version {1}

Summary

Details

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80 80  )))
81 81  
82 82  
83 -[[image:1655255122126-327.png]]
83 +[[image:1654847051249-359.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 -* 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)
91 +* Distance Detection by Ultrasonic technology
92 +* Flat object range 280mm - 7500mm
93 +* Accuracy: ±(1cm+S*0.3%) (S: Distance)
95 95  * Cable Length : 25cm
96 96  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
97 97  * AT Commands to change parameters
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98 98  * Uplink on periodically
99 99  * Downlink to change configure
100 100  * IP66 Waterproof Enclosure
101 -* 8500mAh Battery for long term use
100 +* 4000mAh or 8500mAh Battery for long term use
102 102  
102 +== 1.3  Specification ==
103 103  
104 +=== 1.3.1  Rated environmental conditions ===
104 104  
105 -== 1.3  Suitable Container & Liquid ==
106 +[[image:image-20220610154839-1.png]]
106 106  
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.
108 +(((
109 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
113 113  
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 +)))
114 114  
115 115  
116 -== 1.4  Mechanical ==
117 117  
118 -[[image:image-20220615090910-1.png]]
116 +=== 1.3.2  Effective measurement range Reference beam pattern ===
119 119  
118 +**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
120 120  
121 -[[image:image-20220615090910-2.png]]
122 122  
123 123  
122 +[[image:1654852253176-749.png]]
124 124  
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 +
125 125  == 1.5 ​ Applications ==
126 126  
127 127  * Horizontal distance measurement
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