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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.8
edited by Xiaoling
on 2022/06/15 10:55
Change comment: There is no comment for this version
To version 175.21
edited by Xiaoling
on 2022/06/15 11:08
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 +
103 103  == 1.3  Suitable Container & Liquid ==
104 104  
105 105  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -109,6 +109,9 @@
109 109  ** Pure non metal material: <10 mm
110 110  * Pure liquid without irregular deposition.
111 111  
115 +
116 +
117 +
112 112  == 1.4  Mechanical ==
113 113  
114 114  [[image:image-20220615090910-1.png]]
... ... @@ -198,6 +198,9 @@
198 198  * Smart liquid control solution.
199 199  * Smart liquefied gas solution.
200 200  
207 +
208 +
209 +
201 201  == 1.7  Precautions ==
202 202  
203 203  * 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.
... ... @@ -204,6 +204,9 @@
204 204  * 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.
205 205  * 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.
206 206  
216 +
217 +
218 +
207 207  == 1.8  Pin mapping and power on ==
208 208  
209 209  
... ... @@ -362,7 +362,6 @@
362 362  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
363 363  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
364 364  
365 -
366 366  === 2.3.3  Interrupt Pin ===
367 367  
368 368  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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494 494  * Solid ON for 5 seconds once device successful Join the network.
495 495  * Blink once when device transmit a packet.
496 496  
497 -
498 498  == 2.7  ​Firmware Change Log ==
499 499  
500 500  
... ... @@ -728,25 +728,19 @@
728 728  
729 729  = 4.  FAQ =
730 730  
731 -== 4.1  What is the frequency plan for LDDS75? ==
741 +== 4.1  What is the frequency plan for LDDS20? ==
732 732  
733 -LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
743 +LDDS20 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
734 734  
735 735  
736 736  
737 737  == 4.2  How to change the LoRa Frequency Bands/Region ==
738 738  
739 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
749 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.7A0200BFirmwareChangeLog"]].
740 740  When downloading the images, choose the required image file for download. ​
741 741  
742 742  
743 743  
744 -== 4.3  Can I use LDDS75 in condensation environment? ==
745 -
746 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
747 -
748 -
749 -
750 750  = 5.  Trouble Shooting =
751 751  
752 752  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
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766 766  = 6.  Order Info =
767 767  
768 768  
769 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
773 +Part Number **:** (% style="color:blue" %)**LDDS20-XX**
770 770  
771 771  
772 772  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
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780 780  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
781 781  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
782 782  
783 -(% style="color:blue" %)**YY**(%%): Battery Option
784 784  
785 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
786 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
787 -
788 788  = 7. ​ Packing Info =
789 789  
790 790  
791 791  **Package Includes**:
792 792  
793 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
793 +* LDDS20 LoRaWAN Liquid Level Sensor x 1
794 794  
795 +
796 +(% style="color:red" %)**Note:**
797 +
798 +(% 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.
799 +
800 +
795 795  **Dimension and weight**:
796 796  
797 797  * Device Size: cm
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799 799  * Package Size / pcs : cm
800 800  * Weight / pcs : g
801 801  
808 +
802 802  = 8.  ​Support =
803 803  
804 804  * 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.