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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 167.3
edited by Xiaoling
on 2022/06/21 09:17
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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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 -(% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
28 -The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% _mstvisible="4" style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% _mstvisible="4" style="color:#4f81bd" %)**Temperature Sensor**(% _mstvisible="3" %)**.**
29 -)))
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.
30 30  
31 -(% _mstvisible="1" %)
32 -(((
33 -(% _msthash="506052" _msttexthash="66005810" _mstvisible="2" %)
34 -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.
35 -)))
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.
36 36  
37 -(% _mstvisible="1" %)
38 -(((
39 -(% _msthash="506053" _msttexthash="4298047" _mstvisible="2" %)
40 -LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
41 -)))
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.
42 42  
43 -(% _mstvisible="1" %)
44 -(((
45 -(% _msthash="506054" _msttexthash="6016374" _mstvisible="2" %)
46 -LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
47 -)))
33 +LHT52 is fully compatible with LoRaWAN v1.0.3 protocol, it can work with standard LoRaWAN gateway.
48 48  
49 -(% _mstvisible="1" %)
50 -(((
51 -(% _msthash="506055" _msttexthash="17023136" _mstvisible="2" %)
52 -LHT65N supports (% _mstvisible="4" 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.
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.
36 +
37 +LHT52 supports(% style="color:blue" %)** temperature alarm feature**(%%). It can uplink alarm in a short interval while temperature exceeds preset limits.
38 +
39 +*Battery life depends how often to send data, please see [[battery analyzer>>||anchor="H4.2A0PowerConsumptionAnalyze"]].
40 +
41 +(% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
42 +[[image:1655774519494-861.png]]
53 53  )))
54 54  
55 55  (% _mstvisible="1" %)
56 56  (((
57 57  (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
58 -*The actual battery life depends on how often to send data, please see the battery analyzer chapter.
59 -
60 -(% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
61 61  
62 62  )))
63 63  
64 64  (% _mstvisible="1" %)
65 -== (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 Features(%%) ==
52 +== (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2  Features(%%) ==
66 66  
67 67  (% _mstvisible="1" %)
68 -* Wall mountable
69 -* 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
70 70  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
71 71  * AT Commands to change parameters
72 72  * Remote configure parameters via LoRaWAN Downlink
73 -* Firmware upgradeable via program port
74 -* Built-in 2400mAh battery for up to 10 years of use.
75 -* Built-in Temperature & Humidity sensor
76 -* Optional External Sensors
77 -* Tri-color LED to indicate working status
62 +* Firmware upgradable via program port
63 +* Support 2 x AAA LR03 batteries.
78 78  * Datalog feature
65 +* IP Rating: IP52
79 79  
67 +
68 +
69 +
80 80  (% _mstvisible="1" %)
81 -== (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
71 +== (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3  Specification(%%) ==
82 82  
83 83  (% _mstvisible="1" %)
84 84  (((
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89 89  (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
90 90  )))
91 91  
92 -(% _mstvisible="1" %)
93 -* (% _mstvisible="3" %)
94 -(((
95 -(% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
96 -Resolution: 0.01 °C
97 -)))
98 -* (% _mstvisible="3" %)
99 -(((
100 -(% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
101 -Accuracy Tolerance : Typ ±0.3 °C
102 -)))
103 -* (% _mstvisible="3" %)
104 -(((
105 -(% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
106 -Long Term Drift: < 0.02 °C/yr
107 -)))
108 -* (% _mstvisible="3" %)
109 -(((
110 -(% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
111 -Operating Range: -40 ~~ 85 °C
112 -)))
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
113 113  
114 114  (% _mstvisible="1" %)
115 115  (((
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118 118  
119 119  (% _mstvisible="2" %)
120 120  (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
121 -)))
122 122  
123 -(% _mstvisible="1" %)
124 -* (% _mstvisible="3" %)
125 -(((
126 -(% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
127 -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)
128 128  )))
129 -* (% _mstvisible="3" %)
130 -(((
131 -(% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
132 -Accuracy Tolerance : Typ ±3 %RH
133 -)))
134 -* (% _mstvisible="3" %)
135 -(((
136 -(% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
137 -Long Term Drift: < 0.02 °C/yr
138 -)))
139 -* (% _mstvisible="3" %)
140 -(((
141 -(% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
142 -Operating Range: 0 ~~ 96 %RH
143 -)))
144 144  
145 145  (% _mstvisible="1" %)
146 146  (((
147 147  (% _mstvisible="2" %)
148 148  
149 -
150 -(% _mstvisible="2" %)
151 -(% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
152 152  )))
153 153  
154 -(% _mstvisible="1" %)
155 -* (% _mstvisible="3" %)
108 +(% _mstvisible="3" %)
156 156  (((
157 -(% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
158 -Resolution: 0.0625 °C
159 -)))
160 -* (% _mstvisible="3" %)
161 -(((
162 -(% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
163 -±0.5°C accuracy from -10°C to +85°C
164 -)))
165 -* (% _mstvisible="3" %)
166 -(((
167 -(% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
168 -±2°C accuracy from -55°C to +125°C
169 -)))
170 -* (% _mstvisible="3" %)
171 -(((
172 -(% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
173 -Operating Range: -55 °C ~~ 125 °C
110 +
174 174  
175 175  
176 176  (% _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 +
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178 178  )))
179 179  
180 180  (% _mstvisible="1" %)
181 -= (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
142 += (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2.  O(%%)peration Mode =
182 182  
183 183  (% _mstvisible="1" %)
184 -== (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
145 +== (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How it work?(%%) ==
185 185  
186 186  (% _mstvisible="1" %)
187 187  (((
188 188  (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
189 -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 +
190 190  )))
191 191  
192 192  (% _mstvisible="1" %)
193 193  (((
194 194  (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
195 -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.
196 -
197 -(% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
198 198  
199 199  )))
200 200  
201 201  (% _mstvisible="1" %)
202 -== (% _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?(%%) ==
203 203  
204 -(% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
205 -The LHT65N has two working modes:
165 +1. Open enclosure from below position.
206 206  
207 -(% _mstvisible="1" %)
208 -* (% 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.
209 -* (% 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]]
210 210  
211 -(% _mstvisible="1" %)
212 -(((
213 -(% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
214 -The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
215 -)))
169 +1. Insert 2 x AAA LR03 batteries.
216 216  
217 -(% _mstvisible="1" %)
218 -[[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
171 +[[image:image-20220621093835-2.png]]
219 219  
220 -(% _mstvisible="1" %)
221 -[[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
222 222  
174 +1. Press the reset button to activate device.
223 223  
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 +
224 224  (% _mstvisible="1" %)
225 225  == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
226 226  
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