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5		-**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
6		-
7		-
8		-
9		-**Table of Contents：**
10		-
11	11	{{toc/}}
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16	16
17	17	== 1.1 What is LHT65N Temperature & Humidity Sensor ==
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19		-(((
20		-The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor**(%%)**.**
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23		-(((
	17	+The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a(% class="mark" %) **built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% class="mark" %)**Temperature Sensor**(%%)**.**
	18	+
24	24	The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
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26	26
27		-(((
28	28	LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
29		-)))
30	30
31		-(((
32	32	LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
33		-)))
34	34
35		-(((
36		-LHT65N supports (% style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
37		-)))
	25	+LHT65N supports (% class="mark" %)Datalog Feature(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
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40	40	*The actual battery life depends on how often to send data, please see the battery analyzer chapter.
41		-)))
42	42
43	43	== 1.2 Features ==
44	44
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56	56
57	57	== 1.3 Specification ==
58	58
59		-(((
60	60	**Built-in Temperature Sensor:**
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62	62
63		-* (((
64		-Resolution: 0.01 °C
65		-)))
66		-* (((
67		-Accuracy Tolerance : Typ ±0.3 °C
68		-)))
69		-* (((
70		-Long Term Drift: < 0.02 °C/yr
71		-)))
72		-* (((
73		-Operating Range: -40 ~~ 85 °C
74		-)))
	47	+* Resolution: 0.01 °C
	48	+* Accuracy Tolerance : Typ ±0.3 °C
	49	+* Long Term Drift: < 0.02 °C/yr
	50	+* Operating Range: -40 ~~ 85 °C
75	75
76		-(((
77	77	**Built-in Humidity Sensor:**
78		-)))
79	79
80		-* (((
81		-Resolution: 0.04 %RH
82		-)))
83		-* (((
84		-Accuracy Tolerance : Typ ±3 %RH
85		-)))
86		-* (((
87		-Long Term Drift: < 0.02 °C/yr
88		-)))
89		-* (((
90		-Operating Range: 0 ~~ 96 %RH
91		-)))
	54	+* Resolution: 0.04 %RH
	55	+* Accuracy Tolerance : Typ ±3 %RH
	56	+* Long Term Drift: < 0.02 °C/yr
	57	+* Operating Range: 0 ~~ 96 %RH
92	92
93		-(((
94	94	**External Temperature Sensor:**
95		-)))
96	96
97		-* (((
98		-Resolution: 0.0625 °C
99		-)))
100		-* (((
101		-±0.5°C accuracy from -10°C to +85°C
102		-)))
103		-* (((
104		-±2°C accuracy from -55°C to +125°C
105		-)))
106		-* (((
107		-Operating Range: -55 °C ~~ 125 °C
108		-)))
	61	+* Resolution: 0.0625 °C
	62	+* ±0.5°C accuracy from -10°C to +85°C
	63	+* ±2°C accuracy from -55°C to +125°C
	64	+* Operating Range: -55 °C ~~ 125 °C
109	109
110	110	= 2. Connect LHT65N to IoT Server =
111	111
112	112	== 2.1 How does LHT65N work? ==
113	113
114		-(((
115	115	LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
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117	117
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119	119	If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
120		-)))
121	121
	74	+
122	122	== 2.2 How to Activate LHT65N? ==
123	123
124	124	The LHT65N has two working modes:
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126	126	* **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
127	127	* **Working Mode**: In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65 will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode.
128	128
129		-(((
130	130	The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
131		-)))
132	132
133	133	[[image:image-20220515123819-1.png||height="379" width="317"]]
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312	312	[[Time Stamp>>path:#Unix_Time_Stamp]]
313	313	)))
314	314
315		-* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
	266	+* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
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