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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 168.5
edited by Xiaoling
on 2022/06/21 09:29
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

Summary

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Content
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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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49 49  )))
50 50  
51 51  (% _mstvisible="1" %)
52 -== (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 Features(%%) ==
52 +== (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2  Features(%%) ==
53 53  
54 54  (% _mstvisible="1" %)
55 55  * Wall Attachable.
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68 68  
69 69  
70 70  (% _mstvisible="1" %)
71 -== (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
71 +== (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3  Specification(%%) ==
72 72  
73 73  (% _mstvisible="1" %)
74 74  (((
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79 79  (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
80 80  )))
81 81  
82 -(% _mstvisible="1" %)
83 -* (% _mstvisible="3" %)
84 -(((
85 -(% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
86 -Resolution: 0.01 °C
87 -)))
88 -* (% _mstvisible="3" %)
89 -(((
90 -(% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
91 -Accuracy Tolerance : Typ ±0.3 °C
92 -)))
93 -* (% _mstvisible="3" %)
94 -(((
95 -(% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
96 -Long Term Drift: < 0.02 °C/yr
97 -)))
98 -* (% _mstvisible="3" %)
99 -(((
100 -(% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
101 -Operating Range: -40 ~~ 85 °C
102 -)))
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
103 103  
104 104  (% _mstvisible="1" %)
105 105  (((
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108 108  
109 109  (% _mstvisible="2" %)
110 110  (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
111 -)))
112 112  
113 -(% _mstvisible="1" %)
114 -* (% _mstvisible="3" %)
115 -(((
116 -(% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
117 -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)
118 118  )))
119 -* (% _mstvisible="3" %)
120 -(((
121 -(% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
122 -Accuracy Tolerance : Typ ±3 %RH
123 -)))
124 -* (% _mstvisible="3" %)
125 -(((
126 -(% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
127 -Long Term Drift: < 0.02 °C/yr
128 -)))
129 -* (% _mstvisible="3" %)
130 -(((
131 -(% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
132 -Operating Range: 0 ~~ 96 %RH
133 -)))
134 134  
135 135  (% _mstvisible="1" %)
136 136  (((
137 137  (% _mstvisible="2" %)
138 138  
139 -
140 -(% _mstvisible="2" %)
141 -(% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
142 142  )))
143 143  
144 -(% _mstvisible="1" %)
145 -* (% _mstvisible="3" %)
108 +(% _mstvisible="3" %)
146 146  (((
147 -(% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
148 -Resolution: 0.0625 °C
149 -)))
150 -* (% _mstvisible="3" %)
151 -(((
152 -(% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
153 -±0.5°C accuracy from -10°C to +85°C
154 -)))
155 -* (% _mstvisible="3" %)
156 -(((
157 -(% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
158 -±2°C accuracy from -55°C to +125°C
159 -)))
160 -* (% _mstvisible="3" %)
161 -(((
162 -(% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
163 -Operating Range: -55 °C ~~ 125 °C
110 +
164 164  
165 165  
166 166  (% _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 +
167 167  
168 168  )))
169 169  
170 170  (% _mstvisible="1" %)
171 -= (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
142 += (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2.  O(%%)peration Mode =
172 172  
173 173  (% _mstvisible="1" %)
174 -== (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
145 +== (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How it work?(%%) ==
175 175  
176 176  (% _mstvisible="1" %)
177 177  (((
178 178  (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
179 -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 +
180 180  )))
181 181  
182 182  (% _mstvisible="1" %)
183 183  (((
184 184  (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
185 -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.
186 -
187 -(% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
188 188  
189 189  )))
190 190  
191 191  (% _mstvisible="1" %)
192 -== (% _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?(%%) ==
193 193  
194 -(% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
195 -The LHT65N has two working modes:
165 +1. Open enclosure from below position.
196 196  
197 -(% _mstvisible="1" %)
198 -* (% 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.
199 -* (% 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]]
200 200  
201 -(% _mstvisible="1" %)
202 -(((
203 -(% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
204 -The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
205 -)))
169 +1. Insert 2 x AAA LR03 batteries.
206 206  
207 -(% _mstvisible="1" %)
208 -[[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
171 +[[image:image-20220621093835-2.png]]
209 209  
210 -(% _mstvisible="1" %)
211 -[[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
212 212  
174 +1. Press the reset button to activate device.
213 213  
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 +
214 214  (% _mstvisible="1" %)
215 215  == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
216 216  
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