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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 164.1
edited by Bei Jinggeng
on 2022/06/20 16:52
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To version 168.7
edited by Xiaoling
on 2022/06/21 09:33
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Title
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1 -LHT65N LoRaWAN Temperature & Humidity Sensor Manual
1 +LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual
Parent
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1 -Main.WebHome
1 +Main.User Manual for LoRaWAN End Nodes.WebHome
Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220613162008-1.png||_mstalt="428142" height="579" width="379"]]
2 +[[image:1655774244188-589.png]]
3 3  
4 4  
5 5  
6 6  
7 -
8 8  (% _mstvisible="1" %)
9 9  (% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
10 10  
11 -{{toc/}}
12 12  
13 13  
14 14  
15 15  
14 +
15 +
16 16  (% _mstvisible="1" %)
17 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 LHT65N 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  
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65 65  == (% _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 81  == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
82 82  
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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 +
123 +
124 +
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135 +
177 177  
178 178  )))
179 179  
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593 593  
594 594  ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
595 595  
555 +In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
596 596  
557 +be used to power the external ADC sensor; user can control the power on time for this
597 597  
559 +sensor by setting:
598 598  
561 +AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
562 +
563 +
564 +
599 599  (% _mstvisible="1" %)
600 600  == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
601 601  
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