Changes for page LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual
Last modified by Mengting Qiu on 2024/04/30 14:27
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... ... @@ -34,7 +34,6 @@ 34 34 * Tri-color LED to indicate working status 35 35 * Datalog feature 36 36 37 - 38 38 == Specification: == 39 39 40 40 **Built-in Temperature Sensor:** ... ... @@ -59,6 +59,32 @@ 59 59 * Operating Range: -55 °C ~~ 125 °C 60 60 61 61 61 += Battery & How to replace = 62 + 63 +== Battery Type == 64 + 65 +LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters. 66 + 67 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 68 +[[image:image-20220515075034-1.png||height="208" width="644"]] 69 + 70 + 71 +The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery. 72 + 73 + 74 +== Replace Battery == 75 + 76 +LHT65N has two screws on the back, Unscrew them, and changing the battery inside is ok. The battery is a general CR17450 battery. Any brand should be ok. 77 + 78 +[[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]] 79 + 80 + 81 +== Battery Life Analyze == 82 + 83 +Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life: 84 +https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf 85 + 86 + 62 62 = Order Info = 63 63 64 64 Part Number: (% class="mark" %)**LHT65-XX** ... ... @@ -74,7 +74,6 @@ 74 74 * **IN865**: LoRaWAN IN865 band 75 75 * **CN470**: LoRaWAN CN470 band 76 76 77 - 78 78 = Packing Info = 79 79 80 80 **Package Includes**: ... ... @@ -90,4 +90,13 @@ 90 90 * Package Size / pcs : 14.5 x 8 x 5 cm 91 91 * Weight / pcs : 170g 92 92 117 += FCC Warning = 118 + 119 +This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: 120 + 121 +(1) This device may not cause harmful interference, and 122 + 123 +(2) this device must accept any interference received, including interference that may cause undesired operation 124 + 125 + 93 93
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