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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 168.7
edited by Xiaoling
on 2022/06/21 09:33
Change comment: There is no comment for this version
To version 168.3
edited by Xiaoling
on 2022/06/21 09:27
Change comment: There is no comment for this version

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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 (% 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.
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.
30 30  
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.
30 +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.
32 32  
32 +
33 +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.
34 +
35 +
33 33  LHT52 is fully compatible with LoRaWAN v1.0.3 protocol, it can work with standard LoRaWAN gateway.
34 34  
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 36  
37 -LHT52 supports(% style="color:blue" %)** temperature alarm feature**(%%). It can uplink alarm in a short interval while temperature exceeds preset limits.
39 +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  
41 +
42 +LHT52 supports**(%%) temperature alarm feature**. It can uplink alarm in a short interval while temperature exceeds preset limits.
43 +
44 +
39 39  *Battery life depends how often to send data, please see [[battery analyzer>>||anchor="H4.2A0PowerConsumptionAnalyze"]].
40 40  
41 41  (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
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52 52  == (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 Features(%%) ==
53 53  
54 54  (% _mstvisible="1" %)
55 -* Wall Attachable.
56 -* LoRaWAN v1.0.3 Class A protocol.
57 -* Built-in Temperature & Humidity sensor
58 -* Optional External Probe
61 +* Wall mountable
62 +* LoRaWAN v1.0.3 Class A protocol
59 59  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
60 60  * AT Commands to change parameters
61 61  * Remote configure parameters via LoRaWAN Downlink
62 -* Firmware upgradable via program port
63 -* Support 2 x AAA LR03 batteries.
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
64 64  * Datalog feature
65 -* IP Rating: IP52
66 66  
67 -
68 -
69 -
70 70  (% _mstvisible="1" %)
71 71  == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
72 72  
... ... @@ -79,10 +79,27 @@
79 79  (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
80 80  )))
81 81  
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
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 +)))
86 86  
87 87  (% _mstvisible="1" %)
88 88  (((
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91 91  
92 92  (% _mstvisible="2" %)
93 93  (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
94 -
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)
100 100  )))
101 101  
102 102  (% _mstvisible="1" %)
117 +* (% _mstvisible="3" %)
103 103  (((
104 -(% _mstvisible="2" %)
105 -
119 +(% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
120 +Resolution: 0.04 %RH
106 106  )))
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 +)))
107 107  
108 -(% _mstvisible="3" %)
138 +(% _mstvisible="1" %)
109 109  (((
140 +(% _mstvisible="2" %)
110 110  
111 111  
143 +(% _mstvisible="2" %)
144 +(% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
145 +)))
112 112  
147 +(% _mstvisible="1" %)
148 +* (% _mstvisible="3" %)
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 +(((
113 113  (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
114 -== 1.4  Power Consumption ==
166 +Operating Range: -55 °C ~~ 125 °C
115 115  
116 -LHT52 (without external sensor): Idle: 5uA, Transmit: max 110mA
117 117  
118 -LHT52 + External Temperature Probe (AS-01): Idle: 6uA, Transmit: max 110mA.
119 -
120 -
121 -
122 -
123 -
124 -
125 -
126 -
127 -
128 -
129 -
130 -
131 -
132 -
133 -
134 -
135 -
169 +(% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
136 136  
137 137  )))
138 138