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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 176.3
edited by Xiaoling
on 2022/06/15 11:12
Change comment: There is no comment for this version
To version 175.16
edited by Xiaoling
on 2022/06/15 11:05
Change comment: There is no comment for this version

Summary

Details

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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.
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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]]
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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  
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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  
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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531 531  == 2.8  Battery Analysis ==
532 532  
533 533  
516 +
517 +
534 534  === 2.8.1  Battery Type ===
535 535  
536 536  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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548 548  [[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
549 549  )))
550 550  
551 - [[image:image-20220615111024-1.png]]
535 + [[image:image-20220615102527-16.png]]
552 552  
553 553  
554 554  
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561 561  === 2.8.3  Replace the battery ===
562 562  
563 563  (((
564 -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.
548 +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.
549 +)))
565 565  
551 +(((
552 +
553 +)))
566 566  
567 -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)
555 +(((
556 +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)
568 568  )))
569 569  
570 570  
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733 733  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
734 734  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
735 735  
736 -
737 -
738 738  = 4.  FAQ =
739 739  
740 740  == 4.1  What is the frequency plan for LDDS20? ==
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784 784  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
785 785  
786 786  
774 +
787 787  = 7. ​ Packing Info =
788 788  
789 789  
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791 791  
792 792  * LDDS20 LoRaWAN Liquid Level Sensor x 1
793 793  
782 +**(% style="color:red" %)Note:**
794 794  
795 -(% style="color:red" %)**Note:**
784 +**(% 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.
796 796  
797 -(% 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.
798 798  
799 -
800 800  **Dimension and weight**:
801 801  
802 802  * Device Size: cm
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805 805  * Weight / pcs : g
806 806  
807 807  
795 +
808 808  = 8.  ​Support =
809 809  
810 810  * 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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