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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.23
edited by Xiaoling
on 2022/06/15 11:09
Change comment: There is no comment for this version
To version 175.11
edited by Xiaoling
on 2022/06/15 10:58
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
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100 100  * IP66 Waterproof Enclosure
101 101  * 8500mAh Battery for long term use
102 102  
103 -
104 -
105 -
106 106  == 1.3  Suitable Container & Liquid ==
107 107  
108 108  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -112,9 +112,6 @@
112 112  ** Pure non metal material: <10 mm
113 113  * Pure liquid without irregular deposition.
114 114  
115 -
116 -
117 -
118 118  == 1.4  Mechanical ==
119 119  
120 120  [[image:image-20220615090910-1.png]]
... ... @@ -204,9 +204,6 @@
204 204  * Smart liquid control solution.
205 205  * Smart liquefied gas solution.
206 206  
207 -
208 -
209 -
210 210  == 1.7  Precautions ==
211 211  
212 212  * 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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213 213  * 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.
214 214  * 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.
215 215  
216 -
217 -
218 -
219 219  == 1.8  Pin mapping and power on ==
220 220  
221 221  
... ... @@ -374,9 +374,6 @@
374 374  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
375 375  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
376 376  
377 -
378 -
379 -
380 380  === 2.3.3  Interrupt Pin ===
381 381  
382 382  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2A0SetInterruptMode"]] for the hardware and software set up.
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508 508  * Solid ON for 5 seconds once device successful Join the network.
509 509  * Blink once when device transmit a packet.
510 510  
511 -
512 -
513 -
514 514  == 2.7  ​Firmware Change Log ==
515 515  
516 516  
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741 741  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
742 742  
743 743  
744 -
745 745  = 4.  FAQ =
746 746  
747 747  == 4.1  What is the frequency plan for LDDS20? ==
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757 757  
758 758  
759 759  
741 +== 4.3  Can I use LDDS75 in condensation environment? ==
742 +
743 +LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
744 +
745 +
746 +
760 760  = 5.  Trouble Shooting =
761 761  
762 762  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
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776 776  = 6.  Order Info =
777 777  
778 778  
779 -Part Number **:** (% style="color:blue" %)**LDDS20-XX**
766 +Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
780 780  
781 781  
782 782  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
... ... @@ -790,20 +790,18 @@
790 790  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
791 791  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
792 792  
780 +(% style="color:blue" %)**YY**(%%): Battery Option
793 793  
782 +* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
783 +* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
784 +
794 794  = 7. ​ Packing Info =
795 795  
796 796  
797 797  **Package Includes**:
798 798  
799 -* LDDS20 LoRaWAN Liquid Level Sensor x 1
790 +* LDDS75 LoRaWAN Distance Detection Sensor x 1
800 800  
801 -
802 -(% style="color:red" %)**Note:**
803 -
804 -(% 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.
805 -
806 -
807 807  **Dimension and weight**:
808 808  
809 809  * Device Size: cm
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811 811  * Package Size / pcs : cm
812 812  * Weight / pcs : g
813 813  
814 -
815 815  = 8.  ​Support =
816 816  
817 817  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.