Changes for page LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual
Last modified by Mengting Qiu on 2025/07/03 14:48
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... ... @@ -14,10 +14,10 @@ 14 14 15 15 16 16 (% _mstvisible="1" %) 17 -= (% _msthash="277498" _msttexthash="253045" _mstvisible="3" %)1. 17 += (% _msthash="277498" _msttexthash="253045" _mstvisible="3" %)1. Introduction(%%) = 18 18 19 19 (% _mstvisible="1" %) 20 -== (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 20 +== (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 What is LHT52 Temperature & Humidity Sensor(%%) == 21 21 22 22 (% _mstvisible="1" %) 23 23 ((( ... ... @@ -24,50 +24,61 @@ 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 +(% _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 +))) 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. 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 +))) 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. 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 +))) 32 32 33 -LHT52 is fully compatible with LoRaWAN v1.0.3 protocol, it can work with standard LoRaWAN gateway. 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 +))) 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 - 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]] 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. 43 43 ))) 44 44 45 45 (% _mstvisible="1" %) 46 46 ((( 47 47 (% _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" %) 48 48 49 49 ))) 50 50 51 51 (% _mstvisible="1" %) 52 -== (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 65 +== (% _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 68 +* Wall mountable 69 +* 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. 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 64 64 * Datalog feature 65 -* IP Rating: IP52 66 66 67 - 68 - 69 69 (% _mstvisible="1" %) 70 -== (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 81 +== (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) == 71 71 72 72 (% _mstvisible="1" %) 73 73 ((( ... ... @@ -78,10 +78,27 @@ 78 78 (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:** 79 79 ))) 80 80 81 -* Resolution: 0.01 °C 82 -* Accuracy Tolerance: Typ ±0.3 °C 83 -* Long Term Drift: < 0.02 °C/yr 84 -* Operating Range: -20 ~~ 50 °C 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 +))) 85 85 86 86 (% _mstvisible="1" %) 87 87 ((( ... ... @@ -90,95 +90,109 @@ 90 90 91 91 (% _mstvisible="2" %) 92 92 (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:** 93 - 94 - 95 -* Resolution: 0.1 %RH 96 -* Accuracy Tolerance: Typ ±3 %RH 97 -* Long Term Drift: < 0.02 °C/yr 98 -* Operating Range: 0 ~~ 99.0 %RH(no Dew) 99 99 ))) 100 100 101 101 (% _mstvisible="1" %) 124 +* (% _mstvisible="3" %) 102 102 ((( 103 -(% _mstvisible=" 2" %)104 - 126 +(% _msthash="902997" _msttexthash="282438" _mstvisible="4" %) 127 +Resolution: 0.04 %RH 105 105 ))) 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 +))) 106 106 107 -(% _mstvisible=" 3" %)145 +(% _mstvisible="1" %) 108 108 ((( 147 +(% _mstvisible="2" %) 109 109 110 110 150 +(% _mstvisible="2" %) 151 +(% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:** 152 +))) 111 111 154 +(% _mstvisible="1" %) 155 +* (% _mstvisible="3" %) 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 +((( 112 112 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %) 113 - == 1.4 PowerConsumption==173 +Operating Range: -55 °C ~~ 125 °C 114 114 115 -LHT52 (without external sensor): Idle: 5uA, Transmit: max 110mA 116 116 117 -LHT52 + External Temperature Probe (AS-01): Idle: 6uA, Transmit: max 110mA. 118 - 119 - 120 - 121 -== 1.5 Storage & Operation Temperature == 122 - 123 --20°C to +50°C 124 - 125 - 126 - 127 -== 1.6 Applications == 128 - 129 -* Smart Buildings & Home Automation 130 -* Logistics and Supply Chain Management 131 -* Smart Metering 132 -* Smart Agriculture 133 -* Smart Cities 134 -* Smart Factory 135 - 176 +(% _msthash="903004" _msttexthash="592540" _mstvisible="4" %) 136 136 137 137 ))) 138 138 139 139 (% _mstvisible="1" %) 140 -= (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. O(%%)perationMode =181 += (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) = 141 141 142 142 (% _mstvisible="1" %) 143 -== (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How itwork?(%%) ==184 +== (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) == 144 144 145 145 (% _mstvisible="1" %) 146 146 ((( 147 147 (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %) 148 -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**. 149 - 150 -(% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %) 151 - 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. 152 152 ))) 153 153 154 154 (% _mstvisible="1" %) 155 155 ((( 156 156 (% _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" %) 157 157 158 158 ))) 159 159 160 160 (% _mstvisible="1" %) 161 -== (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT5 2?(%%) ==202 +== (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) == 162 162 163 -(% style="color:red" %)** 1. Open enclosure from below position.** 204 +(% _msthash="315239" _msttexthash="748241" _mstvisible="1" %) 205 +The LHT65N has two working modes: 164 164 165 -[[image:image-20220621093835-1.png]] 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. 166 166 211 +(% _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 +))) 167 167 168 -(% style="color:red" %)** 2. Insert 2 x AAA LR03 batteries.** 217 +(% _mstvisible="1" %) 218 +[[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]] 169 169 170 -[[image:image-20220621093835-2.png]] 220 +(% _mstvisible="1" %) 221 +[[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]] 171 171 172 172 173 -(% style="color:red" %)** 3. Press the reset button to activate device.** 174 - 175 -[[image:image-20220621093835-3.png]] 176 - 177 - 178 -User can check [[LED Status>>||anchor="H2.8A0LEDIndicator"]] to know the working state of LHT52. 179 - 180 - 181 - 182 182 (% _mstvisible="1" %) 183 183 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) == 184 184
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