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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... ... @@ -57,6 +57,33 @@ 57 57 * ±2°C accuracy from -55°C to +125°C 58 58 * Operating Range: -55 °C ~~ 125 °C 59 59 60 + 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 + 60 60 = Order Info = 61 61 62 62 Part Number: (% class="mark" %)**LHT65-XX** ... ... @@ -87,7 +87,6 @@ 87 87 * Package Size / pcs : 14.5 x 8 x 5 cm 88 88 * Weight / pcs : 170g 89 89 90 - 91 91 = FCC Warning = 92 92 93 93 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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