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Last modified by Xiaoling on 2025/04/27 16:45
From version 161.1
edited by Xiaoling
on 2022/06/15 09:10
Change comment: Uploaded new attachment "image-20220615091045-6.png", version {1}
To version 168.1
edited by Xiaoling
on 2022/06/15 09:22
Change comment: Uploaded new attachment "1655256160324-178.png", version {1}

Summary

Details

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Content
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101 101  * 8500mAh Battery for long term use
102 102  
103 103  
104 -
105 105  == 1.3  Suitable Container & Liquid ==
106 106  
107 107  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -112,7 +112,6 @@
112 112  * Pure liquid without irregular deposition.
113 113  
114 114  
115 -
116 116  == 1.4  Mechanical ==
117 117  
118 118  [[image:image-20220615090910-1.png]]
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122 122  
123 123  
124 124  
123 +== 1.5  Install LDDS20 ==
124 +
125 +
126 +(% style="color:blue" %)**Step 1**(%%):  Choose the installation point.
127 +
128 +LDDS20 (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
129 +
130 +[[image:image-20220615091045-3.png]]
131 +
132 +
133 +
134 +(% style="color:blue" %)**Step 2**(%%): Polish the installation point.
135 +
136 +For Metal Surface with paint, it is important to polish the surface, first use crude sand paper to polish the paint level , then use exquisite sand paper to polish the metal level to make it shine & smooth.
137 +
138 +[[image:image-20220615092010-11.png]]
139 +
140 +
141 +No polish needed if the container is shine metal surface without paint or non-metal container.
142 +
143 +[[image:image-20220615092044-12.png]]
144 +
145 +
146 +(% style="color:blue" %)**Step3: **(%%)Test the installation point.
147 +
148 +Power on LDDS75, check if the blue LED is on, If the blue LED is on, means the sensor works. Then put ultrasonic coupling paste on the sensor and put it tightly on the installation point.
149 +
150 +
151 +It is necessary to put the coupling paste between the sensor and the container, otherwise LDDS20 won’t detect the liquid level.
152 +
153 +
154 +
155 +|(((
156 +BLUE LED
157 +)))
158 +
159 +[[image:image-20220615091045-6.png]] [[image:image-20220615091045-7.png]]
160 +
161 +
162 +
163 +After paste the LDDS20 well, power on LDDS20. In the first 30 seconds of booting, device will check the sensors status and BLUE LED will show the status as below. After 30 seconds, BLUE LED will be off to save battery life.
164 +
165 +
166 +(% style="color:blue" %)LED Status:
167 +
168 +* Onboard LED: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
169 +
170 +* (% style="color:blue" %)BLUE LED(% style="color:red" %) always ON(%%): Sensor is power on but doesn’t detect liquid. There is problem in installation point.
171 +* (% style="color:blue" %)BLUE LED(% style="color:red" %) slowly blinking(%%): Sensor detects Liquid Level, The installation point is good.
172 +
173 +LDDS20 will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
174 +
175 +Note 2:
176 +
177 +Ultrasonic coupling paste is subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
178 +
179 +
180 +(% style="color:blue" %)**Step4: **(%%)Install use Epoxy ab glue.
181 +
182 +[[image:image-20220615091045-8.png]]
183 +
184 +Prepare Eproxy AB glue.
185 +
186 +
187 +Put Eproxy AB glue in the sensor and press it hard on the container installation point.
188 +
189 +
190 +Reset LDDS20 and see if the BLUE LED is slowly blinking.
191 +
192 +[[image:image-20220615091045-9.png]]
193 +
194 +(% style="color:red" %)Note1:
195 +
196 +Eproxy AB glue needs 3~~ 5 minutes to stable attached. we can use other glue material to keep it in the position.
197 +
198 +
199 +(% style="color:red" %)Note 2:
200 +
201 +(% style="color:blue" %)Eproxy AB glue(%%) is subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
202 +
203 +
204 +
205 +
206 +
207 +
125 125  == 1.5 ​ Applications ==
126 126  
127 127  * Horizontal distance measurement
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