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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.21
edited by Xiaoling
on 2022/06/15 11:08
Change comment: There is no comment for this version
To version 176.5
edited by Xiaoling
on 2022/06/15 11:36
Change comment: There is no comment for this version

Summary

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6 6  
7 7  **Table of Contents:**
8 8  
9 +{{toc/}}
9 9  
10 10  
11 11  
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102 102  
103 103  
104 104  
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.
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114 114  
115 115  
116 116  
117 -
118 118  == 1.4  Mechanical ==
119 119  
120 120  [[image:image-20220615090910-1.png]]
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206 206  
207 207  
208 208  
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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215 215  
216 216  
217 217  
218 -
219 219  == 1.8  Pin mapping and power on ==
220 220  
221 221  
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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  
374 +
375 +
377 377  === 2.3.3  Interrupt Pin ===
378 378  
379 379  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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505 505  * Solid ON for 5 seconds once device successful Join the network.
506 506  * Blink once when device transmit a packet.
507 507  
507 +
508 +
508 508  == 2.7  ​Firmware Change Log ==
509 509  
510 510  
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525 525  == 2.8  Battery Analysis ==
526 526  
527 527  
528 -
529 -
530 530  === 2.8.1  Battery Type ===
531 531  
532 532  The LDDS20 battery is a combination of a 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
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544 544  [[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
545 545  )))
546 546  
547 - [[image:image-20220615102527-16.png]]
546 + [[image:image-20220615111024-1.png]]
548 548  
549 549  
550 550  
551 -== 2.8.2  Battery Note ==
550 +=== 2.8.2  Battery Note ===
552 552  
553 553  The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to uplink data, then the battery life may be decreased.
554 554  
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557 557  === 2.8.3  Replace the battery ===
558 558  
559 559  (((
560 -You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
561 -)))
559 +You can change the battery in the NBSN95.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
562 562  
563 -(((
564 -
565 -)))
566 566  
567 -(((
568 -The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
562 +The default battery pack of NBSN95 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
569 569  )))
570 570  
571 571  
572 572  
573 -== 2.8.4  Battery Life Analyze ==
567 +=== 2.8.4  Battery Life Analyze ===
574 574  
575 575  Dragino battery powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimate battery life:
576 576  
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735 735  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
736 736  
737 737  
738 -
739 739  = 4.  FAQ =
740 740  
741 741  == 4.1  What is the frequency plan for LDDS20? ==
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784 784  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
785 785  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
786 786  
787 -
788 788  = 7. ​ Packing Info =
789 789  
790 790  
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792 792  
793 793  * LDDS20 LoRaWAN Liquid Level Sensor x 1
794 794  
795 -
796 796  (% style="color:red" %)**Note:**
797 797  
798 798  (% 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.
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805 805  * Package Size / pcs : cm
806 806  * Weight / pcs : g
807 807  
808 -
809 809  = 8.  ​Support =
810 810  
811 811  * 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.
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1 +XWiki.Xiaoling
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