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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 148.7
edited by Xiaoling
on 2022/06/17 15:05
Change comment: There is no comment for this version

Summary

Details

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Title
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1 -LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual
1 +LHT65N LoRaWAN Temperature & Humidity Sensor Manual
Parent
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1 -Main.User Manual for LoRaWAN End Nodes.WebHome
1 +Main.WebHome
Content
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1 1  (% style="text-align:center" %)
2 -[[image:1655774244188-589.png]]
2 +[[image:image-20220613162008-1.png||_mstalt="428142" height="579" width="379"]]
3 3  
4 4  
5 5  
6 6  
7 +
7 7  (% _mstvisible="1" %)
8 8  (% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
9 9  
11 +{{toc/}}
10 10  
11 11  
12 12  
13 13  
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 LHT52 Temperature & Humidity Sensor(%%) ==
20 +== (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 What is LHT65N Temperature & Humidity Sensor(%%) ==
21 21  
22 22  (% _mstvisible="1" %)
23 23  (((
24 24  (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
25 -
25 +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" %)**.**
26 +)))
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.
28 +(% _mstvisible="1" %)
29 +(((
30 +(% _msthash="506052" _msttexthash="66005810" _mstvisible="2" %)
31 +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.
32 +)))
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.
34 +(% _mstvisible="1" %)
35 +(((
36 +(% _msthash="506053" _msttexthash="4298047" _mstvisible="2" %)
37 +LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
38 +)))
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.
40 +(% _mstvisible="1" %)
41 +(((
42 +(% _msthash="506054" _msttexthash="6016374" _mstvisible="2" %)
43 +LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
44 +)))
32 32  
33 -LHT52 is fully compatible with LoRaWAN v1.0.3 protocol, it can work with standard LoRaWAN gateway.
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]]
46 +(% _mstvisible="1" %)
47 +(((
48 +(% _msthash="506055" _msttexthash="17023136" _mstvisible="2" %)
49 +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" %)
55 +*The actual battery life depends on how often to send data, please see the battery analyzer chapter.
56 +
57 +(% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
48 48  
49 49  )))
50 50  
... ... @@ -52,21 +52,18 @@
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
65 +* Wall mountable
66 +* 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.
70 +* Firmware upgradeable via program port
71 +* Built-in 2400mAh battery for up to 10 years of use.
72 +* Built-in Temperature & Humidity sensor
73 +* Optional External Sensors
74 +* 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
89 +(% _mstvisible="1" %)
90 +* (% _mstvisible="3" %)
91 +(((
92 +(% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
93 +Resolution: 0.01 °C
94 +)))
95 +* (% _mstvisible="3" %)
96 +(((
97 +(% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
98 +Accuracy Tolerance : Typ ±0.3 °C
99 +)))
100 +* (% _mstvisible="3" %)
101 +(((
102 +(% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
103 +Long Term Drift: < 0.02 °C/yr
104 +)))
105 +* (% _mstvisible="3" %)
106 +(((
107 +(% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
108 +Operating Range: -40 ~~ 85 °C
109 +)))
86 86  
87 87  (% _mstvisible="1" %)
88 88  (((
... ... @@ -91,48 +91,62 @@
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" %)
121 +* (% _mstvisible="3" %)
103 103  (((
104 -(% _mstvisible="2" %)
105 -
123 +(% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
124 +Resolution: 0.04 %RH
106 106  )))
126 +* (% _mstvisible="3" %)
127 +(((
128 +(% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
129 +Accuracy Tolerance : Typ ±3 %RH
130 +)))
131 +* (% _mstvisible="3" %)
132 +(((
133 +(% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
134 +Long Term Drift: < 0.02 °C/yr
135 +)))
136 +* (% _mstvisible="3" %)
137 +(((
138 +(% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
139 +Operating Range: 0 ~~ 96 %RH
140 +)))
107 107  
108 -(% _mstvisible="3" %)
142 +(% _mstvisible="1" %)
109 109  (((
144 +(% _mstvisible="2" %)
110 110  
111 111  
147 +(% _mstvisible="2" %)
148 +(% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
149 +)))
112 112  
151 +(% _mstvisible="1" %)
152 +* (% _mstvisible="3" %)
153 +(((
154 +(% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
155 +Resolution: 0.0625 °C
156 +)))
157 +* (% _mstvisible="3" %)
158 +(((
159 +(% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
160 +±0.5°C accuracy from -10°C to +85°C
161 +)))
162 +* (% _mstvisible="3" %)
163 +(((
164 +(% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
165 +±2°C accuracy from -55°C to +125°C
166 +)))
167 +* (% _mstvisible="3" %)
168 +(((
113 113  (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
114 -== 1.4  Power Consumption ==
170 +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 -
173 +(% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
136 136  
137 137  )))
138 138  
... ... @@ -430,6 +430,7 @@
430 430  )))
431 431  
432 432  
471 +
433 433  (% _mstvisible="1" %)
434 434  ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
435 435  
... ... @@ -550,18 +550,6 @@
550 550  * Sync time OK: 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
551 551  * Unix Time Request:1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
552 552  
553 -==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
554 -
555 -In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
556 -
557 -be used to power the external ADC sensor; user can control the power on time for this
558 -
559 -sensor by setting:
560 -
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 -
565 565  (% _mstvisible="1" %)
566 566  == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
567 567  
... ... @@ -1122,17 +1122,6 @@
1122 1122  = (% _msthash="401388" _msttexthash="566956" _mstvisible="3" %)3. S(% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)ensors(% _msthash="401388" _msttexthash="40417" _mstvisible="3" %) and A(% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)ccessories(%%) =
1123 1123  
1124 1124  (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1125 -== (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E2 Extension Cable(%%) ==
1126 -
1127 -[[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1128 -
1129 -1m long breakout cable for LHT65N
1130 -
1131 -[[image:image-20220619092421-3.png||height="371" width="529"]]
1132 -
1133 -
1134 -
1135 -(% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1136 1136  == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1137 1137  
1138 1138  (% _mstvisible="1" %)
... ... @@ -1625,7 +1625,6 @@
1625 1625  (% _mstvisible="1" %)
1626 1626  [[image:image-20220515075440-2.png||_mstalt="429546" _mstvisible="3" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" _mstvisible="3" height="193" width="257"]]
1627 1627  
1628 -
1629 1629  (% _mstvisible="1" %)
1630 1630  == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1631 1631  
... ... @@ -1888,7 +1888,7 @@
1888 1888  (% _msthash="506131" _msttexthash="14585714" %)
1889 1889  AT commands：
1890 1890  
1891 -[[image:image-20220620153708-1.png||height="603" width="723"]]
1906 +[[image:image-20220615092034-1.png||_mstalt="428870"]]
1892 1892  
1893 1893  (% _msthash="506132" _msttexthash="337922" %)
1894 1894  Downlink commands:
... ... @@ -1897,13 +1897,13 @@
1897 1897  (% _msthash="506133" _msttexthash="33046" %)
1898 1898  **TTN:**
1899 1899  
1900 -[[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1915 +[[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1901 1901  
1902 1902  
1903 1903  (% _msthash="506134" _msttexthash="11113791" %)
1904 1904  **Helium：**
1905 1905  
1906 -[[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1921 +[[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1907 1907  
1908 1908  
1909 1909  (% _msthash="506135" _msttexthash="4159844" %)
... ... @@ -1911,13 +1911,13 @@
1911 1911  
1912 1912  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1913 1913  
1914 -[[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1929 +[[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1915 1915  
1916 1916  
1917 1917  (% _msthash="506136" _msttexthash="39286" %)
1918 1918  **Aws:**
1919 1919  
1920 -[[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1935 +[[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1921 1921  
1922 1922  
1923 1923  == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
... ... @@ -1930,8 +1930,6 @@
1930 1930  
1931 1931  [[image:image-20220615153355-1.png]]
1932 1932  
1933 -[[image:image-20220620154900-5.jpeg||height="427" width="570"]]
1934 -
1935 1935  (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1936 1936  
1937 1937  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -1938,10 +1938,9 @@
1938 1938  
1939 1939  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1940 1940  
1954 +[[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1941 1941  
1942 -To switch from download mode to command mode, press reset key
1943 1943  
1944 -
1945 1945  (((
1946 1946  (% _msthash="736728" _msttexthash="67213055" %)
1947 1947  (((
... ... @@ -1953,18 +1953,16 @@
1953 1953  (% _msthash="736729" _msttexthash="1907009" %)
1954 1954  Input password and ATZ to activate LHT65N,As shown below:
1955 1955  
1956 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1968 +[[image:image-20220615154519-3.png]]
1957 1957  
1958 1958  
1959 1959  )))
1960 1960  
1973 +
1961 1961  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1962 1962  
1963 -
1964 1964  [[image:image-20220615153355-1.png]]
1965 1965  
1966 -(% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1967 -
1968 1968  (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
1969 1969  
1970 1970  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -1971,13 +1971,9 @@
1971 1971  
1972 1972  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1973 1973  
1974 -[[image:image-20220620160241-6.jpeg||height="428" width="571"]]
1984 +Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
1975 1975  
1976 -Press reset after connecting the 4boot cable to enter the download mode.
1977 1977  
1978 -[[image:image-20220620160516-7.png||height="435" width="435"]]
1979 -
1980 -
1981 1981  (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
1982 1982  
1983 1983  [[image:image-20220615170542-5.png]]
... ... @@ -1995,7 +1995,7 @@
1995 1995  
1996 1996  (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
1997 1997  
1998 -[[image:image-20220620160723-8.png]]
2004 +
1999 1999  )))
2000 2000  
2001 2001  (% _mstvisible="1" %)
... ... @@ -2067,6 +2067,8 @@
2067 2067  (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2068 2068  (% style="color:red" %)**E3**(%%): External Temperature Probe
2069 2069  
2076 +
2077 +(% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2070 2070  
2071 2071  )))
2072 2072  
... ... @@ -2090,6 +2090,11 @@
2090 2090  )))
2091 2091  * (% _mstvisible="3" %)
2092 2092  (((
2101 +(% _msthash="903337" _msttexthash="242567" _mstvisible="4" %)
2102 +Program cable x 1
2103 +)))
2104 +* (% _mstvisible="3" %)
2105 +(((
2093 2093  (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2094 2094  Optional external sensor
2095 2095  )))
... ... @@ -2115,6 +2115,9 @@
2115 2115  (% _mstvisible="3" %)
2116 2116  (((
2117 2117  
2131 +
2132 +(% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2133 +
2118 2118  )))
2119 2119  
2120 2120  = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
... ... @@ -2121,6 +2121,8 @@
2121 2121  
2122 2122  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/home/Products_Public_Document/LoRaWAN%20End%20Node/LHT65N%20Temperature%20%26%20Humidity%20Sensor||_msthash="504975" _msttexthash="51420512"]]
2123 2123  
2140 +
2141 +
2124 2124  = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2125 2125  
2126 2126  (% _mstvisible="1" %)
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