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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 168.2
edited by Xiaoling
on 2022/06/21 09:22
Change comment: There is no comment for this version
To version 171.2
edited by Xiaoling
on 2022/06/21 09:38
Change comment: There is no comment for this version

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14 14  
15 15  
16 16  (% _mstvisible="1" %)
17 -= (% _msthash="277498" _msttexthash="253045" _mstvisible="3" %)1. Introduction(%%) =
17 += (% _msthash="277498" _msttexthash="253045" _mstvisible="3" %)1.  Introduction(%%) =
18 18  
19 19  (% _mstvisible="1" %)
20 -== (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 What is LHT52 Temperature & Humidity Sensor(%%) ==
20 +== (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1  What is LHT52 Temperature & Humidity Sensor(%%) ==
21 21  
22 22  (% _mstvisible="1" %)
23 23  (((
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24 24  (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
25 25  
26 26  
27 -The Dragino LHT52 Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a **built-in Temperature & Humidity sensor** and has a USB Type-C sensor connector to connect to external sensors such as external Temperature Sensor.
27 +The Dragino LHT52 Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:blue" %)**built-in Temperature & Humidity sensor** (%%)and has a USB Type-C sensor connector to connect to external sensors such as external Temperature Sensor.
28 28  
29 +LHT52 (% style="color:blue" %)**senses environment temperature and humidity**(%%) and send these values via long-range wireless LoRaWAN protocol. It targets professional wireless sensor network applications such as food service, smart metering, smart cities, building automation, and so on.
29 29  
30 -LHT52 **senses environment temperature and humidity** and send these values via long-range wireless LoRaWAN protocol. It targets professional wireless sensor network applications such as food service, smart metering, smart cities, building automation, and so on.
31 +LHT52 supports(% style="color:blue" %)** 2 x AAA batteries **(%%)and works for a long time up to several years. Use can replace the batteries easily after they are finished.
31 31  
32 -
33 -LHT52 **supports 2 x AAA batteries **and works for a long time up to several years. Use can replace the batteries easily after they are finished.
34 -
35 -
36 36  LHT52 is fully compatible with LoRaWAN v1.0.3 protocol, it can work with standard LoRaWAN gateway.
37 37  
35 +LHT52 supports(% style="color:blue" %)** Datalog feature** (%%)to make sure users won’t miss sensor data. It records sensor value for every uplink. These values can be retrieved by LoRaWAN server via downlink command.
38 38  
39 -LHT52 supports** Datalog feature** to make sure users won’t miss sensor data. It records sensor value for every uplink. These values can be retrieved by LoRaWAN server via downlink command.
37 +LHT52 supports(% style="color:blue" %)** temperature alarm feature**(%%). It can uplink alarm in a short interval while temperature exceeds preset limits.
40 40  
39 +*Battery life depends how often to send data, please see [[battery analyzer>>||anchor="H4.2A0PowerConsumptionAnalyze"]].
41 41  
42 -LHT52 supports** temperature alarm feature**. It can uplink alarm in a short interval while temperature exceeds preset limits.
43 -
44 -
45 -*Battery life depends how often to send data, please see [[battery analyzer>>path:#Battery]].
46 -
47 47  (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
48 48  [[image:1655774519494-861.png]]
49 49  )))
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55 55  )))
56 56  
57 57  (% _mstvisible="1" %)
58 -== (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 Features(%%) ==
52 +== (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2  Features(%%) ==
59 59  
60 60  (% _mstvisible="1" %)
61 -* Wall mountable
62 -* LoRaWAN v1.0.3 Class A protocol
55 +* Wall Attachable.
56 +* LoRaWAN v1.0.3 Class A protocol.
57 +* Built-in Temperature & Humidity sensor
58 +* Optional External Probe
63 63  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
64 64  * AT Commands to change parameters
65 65  * Remote configure parameters via LoRaWAN Downlink
66 -* Firmware upgradeable via program port
67 -* Built-in 2400mAh battery for up to 10 years of use.
68 -* Built-in Temperature & Humidity sensor
69 -* Optional External Sensors
70 -* Tri-color LED to indicate working status
62 +* Firmware upgradable via program port
63 +* Support 2 x AAA LR03 batteries.
71 71  * Datalog feature
65 +* IP Rating: IP52
72 72  
67 +
68 +
69 +
73 73  (% _mstvisible="1" %)
74 -== (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
71 +== (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3  Specification(%%) ==
75 75  
76 76  (% _mstvisible="1" %)
77 77  (((
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82 82  (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
83 83  )))
84 84  
85 -(% _mstvisible="1" %)
86 -* (% _mstvisible="3" %)
87 -(((
88 -(% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
89 -Resolution: 0.01 °C
90 -)))
91 -* (% _mstvisible="3" %)
92 -(((
93 -(% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
94 -Accuracy Tolerance : Typ ±0.3 °C
95 -)))
96 -* (% _mstvisible="3" %)
97 -(((
98 -(% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
99 -Long Term Drift: < 0.02 °C/yr
100 -)))
101 -* (% _mstvisible="3" %)
102 -(((
103 -(% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
104 -Operating Range: -40 ~~ 85 °C
105 -)))
82 +* Resolution: 0.01 °C
83 +* Accuracy Tolerance: Typ ±0.3 °C
84 +* Long Term Drift: < 0.02 °C/yr
85 +* Operating Range: -20 ~~ 50 °C
106 106  
107 107  (% _mstvisible="1" %)
108 108  (((
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111 111  
112 112  (% _mstvisible="2" %)
113 113  (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
114 -)))
115 115  
116 -(% _mstvisible="1" %)
117 -* (% _mstvisible="3" %)
118 -(((
119 -(% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
120 -Resolution: 0.04 %RH
95 +
96 +* Resolution: 0.1 %RH
97 +* Accuracy Tolerance: Typ ±3 %RH
98 +* Long Term Drift: < 0.02 °C/yr
99 +* Operating Range: 0 ~~ 99.0 %RH(no Dew)
121 121  )))
122 -* (% _mstvisible="3" %)
123 -(((
124 -(% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
125 -Accuracy Tolerance : Typ ±3 %RH
126 -)))
127 -* (% _mstvisible="3" %)
128 -(((
129 -(% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
130 -Long Term Drift: < 0.02 °C/yr
131 -)))
132 -* (% _mstvisible="3" %)
133 -(((
134 -(% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
135 -Operating Range: 0 ~~ 96 %RH
136 -)))
137 137  
138 138  (% _mstvisible="1" %)
139 139  (((
140 140  (% _mstvisible="2" %)
141 141  
142 -
143 -(% _mstvisible="2" %)
144 -(% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
145 145  )))
146 146  
147 -(% _mstvisible="1" %)
148 -* (% _mstvisible="3" %)
108 +(% _mstvisible="3" %)
149 149  (((
150 -(% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
151 -Resolution: 0.0625 °C
152 -)))
153 -* (% _mstvisible="3" %)
154 -(((
155 -(% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
156 -±0.5°C accuracy from -10°C to +85°C
157 -)))
158 -* (% _mstvisible="3" %)
159 -(((
160 -(% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
161 -±2°C accuracy from -55°C to +125°C
162 -)))
163 -* (% _mstvisible="3" %)
164 -(((
165 -(% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
166 -Operating Range: -55 °C ~~ 125 °C
110 +
167 167  
168 168  
169 169  (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
114 +== 1.4  Power Consumption ==
115 +
116 +LHT52 (without external sensor): Idle: 5uA, Transmit: max 110mA
117 +
118 +LHT52 + External Temperature Probe (AS-01): Idle: 6uA, Transmit: max 110mA.
119 +
120 +
121 +
122 +== 1.5  Storage & Operation Temperature ==
123 +
124 +-20°C to +50°C
125 +
126 +
127 +
128 +== 1.6  Applications ==
129 +
130 +* Smart Buildings & Home Automation
131 +* Logistics and Supply Chain Management
132 +* Smart Metering
133 +* Smart Agriculture
134 +* Smart Cities
135 +* Smart Factory
136 +
137 +
170 170  
171 171  )))
172 172  
173 173  (% _mstvisible="1" %)
174 -= (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
142 += (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2.  O(%%)peration Mode =
175 175  
176 176  (% _mstvisible="1" %)
177 -== (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
145 +== (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How it work?(%%) ==
178 178  
179 179  (% _mstvisible="1" %)
180 180  (((
181 181  (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
182 -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.
150 +Each LHT52 is shipped with a worldwide unique set of LoRaWAN OTAA keys. To use LHT52 in a LoRaWAN network, user needs to input the OTAA keys in LoRaWAN network server. After this, if LHT52 is under this LoRaWAN network coverage, LHT52 can join the LoRaWAN network and start to transmit sensor data. The default period for each uplink is** 20 minutes**.
151 +
152 +(% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
153 +
183 183  )))
184 184  
185 185  (% _mstvisible="1" %)
186 186  (((
187 187  (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
188 -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.
189 -
190 -(% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
191 191  
192 192  )))
193 193  
194 194  (% _mstvisible="1" %)
195 -== (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
163 +== (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT52?(%%) ==
196 196  
197 -(% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
198 -The LHT65N has two working modes:
165 +1. Open enclosure from below position.
199 199  
200 -(% _mstvisible="1" %)
201 -* (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
202 -* (% style="color:blue" %)**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, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
167 +[[image:image-20220621093835-1.png]]
203 203  
204 -(% _mstvisible="1" %)
205 -(((
206 -(% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
207 -The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
208 -)))
169 +1. Insert 2 x AAA LR03 batteries.
209 209  
210 -(% _mstvisible="1" %)
211 -[[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
171 +[[image:image-20220621093835-2.png]]
212 212  
213 -(% _mstvisible="1" %)
214 -[[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
215 215  
174 +1. Press the reset button to activate device.
216 216  
176 +[[image:image-20220621093835-3.png]]
177 +
178 +
179 +User can check [[LED Status>>path:#LED_Status]] to know the working state of LHT52.
180 +
181 +
182 +
217 217  (% _mstvisible="1" %)
218 218  == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
219 219  
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