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Last modified by Xiaoling on 2025/04/27 16:45
From version 170.3
edited by Xiaoling
on 2022/06/15 09:38
Change comment: There is no comment for this version
To version 170.7
edited by Xiaoling
on 2022/06/15 09:47
Change comment: There is no comment for this version

Summary

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101 101  * 8500mAh Battery for long term use
102 102  
103 103  
104 +
104 104  == 1.3  Suitable Container & Liquid ==
105 105  
106 106  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
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111 111  * Pure liquid without irregular deposition.
112 112  
113 113  
115 +
114 114  == 1.4  Mechanical ==
115 115  
116 116  [[image:image-20220615090910-1.png]]
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143 143  [[image:image-20220615092044-12.png]]
144 144  
145 145  
148 +
146 146  (% style="color:blue" %)**Step3:   **(%%)Test the installation point.
147 147  
148 148  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.
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171 171  (% style="color:red" %)Ultrasonic coupling paste (%%) is subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
172 172  
173 173  
177 +
174 174  (% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
175 175  
176 -
177 177  Prepare Eproxy AB glue.
178 178  
179 179  Put Eproxy AB glue in the sensor and press it hard on the container installation point.
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222 222  == 2.1  How it works ==
223 223  
224 224  (((
225 -The LDDS75 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
228 +The LDDS20 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value.
226 226  )))
227 227  
228 228  (((
229 -In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.
232 +In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0UsingtheATCommands"]]to set the keys in the LDDS20.
230 230  )))
231 231  
232 232