ST11TN/ST11NN is a 自用wireless tag sensor us國去ed for asset manageme下看nt, which can她對 implement ti又喝ming sampling, u子謝pload tempera森街ture and ID infor冷湖mation to the monito可房ring platform, and訊玩 support LoRaWAN and Li高放nkWAN protocols綠你. Users can set the 對化sampling and report多你ing cycle through 跳新the platform. The d但聽efault setting is to u文員pload temperature and hu樹光midity information t員錢o the platform ev訊也ery 1800 minutes.
The application照視 platform can r民子ealize online manageme輛土nt of assets in cont謝能rollable areas by c理笑ounting the online time鐵媽 and packet l畫媽oss rate of asset tag大行s. Periodic temperature農這 measurement can rea女制lize temperatur間麗e monitoring of Cargo pi藍如les or other a中見pplication scenario在紅s, thus ensuring t了大he safety of goods關校.
ST11TN has bui業動lt-in temper器著ature sensor and S厭信T11NN does not h知不ave temperatur有舞e sensor. For det秒大ailed differences, 筆歌see Product parameter文弟s and function desc就放ription.
The ST11 series作知 device are divided黑音 into two mod就拍els. One built-in tem匠廠perature sensor can re行鄉gularly monitor the te件動mperature of th厭數e tested environment.日了 The model i冷日s ST11TN series, one 理事is that the mode間很l of the sensor th知書at only uploa影北ds heartbeat info線子rmation without a tempe兵山rature sensor is ST11N裡店N series.
The built-in temp校些erature sensor can快年 monitor the ambien厭湖t temperature an長雨d support periodi爸西c heartbeat func音電tion and battery powe綠低r monitoring function. 車司The heartbeat period a頻笑nd temperature作綠 sampling period can綠人 be modified throug西美h the Server.
No internal temperatu金亮re sensor, supports pe機兒riodic heartbeat and bat放媽tery power monito冷習ring functions, heart新數beat period can b大樂e modified by 弟技the Server.
Operating voltage | 1.8~3.6V |
Operating temperatur得國e | -40℃ ~ 85℃ |
Working humidity | 0%~90%RH |
Emission cur白知rent | <120mA @ 1時做00mW (impedance matchin哥可g) |
Received Current | <13mA |
Standby curren自舊t | <5uA |
Frequency range | 470-510MHz863-技秒928 MHz (opti器一onal) |
Transmit power | 19 ± 0.5dBm |
Receiving sens訊著itivity | <-139dBm @292bps |
Antenna Type | Internal or e民家xternal antenna腦好 (optional) |
Data transmissio文討n rate | 1.8kbps~5.4kbps銀請 |
Modulation mode | LoRa |
Supported LoRaWAN b見個ands | CN470-510EU863-870AU子窗915-928AS923 |
Supported LinkW要黑AN bands | CN470AS923 |
Temperature me議村asurement rang他到e | -40 ~ 85℃ |
Measurement a讀一ccuracy | ± 0.3 ℃ |
Resolution | 0.01 ℃ |
Both ST11TN and ST11N音了N support the periodic子數 heartbeat ,還化 and the heartbeat per師長iod can be modifie刀體d by the Server. The 們我default period is 1800水知 minutes.
ST11TN supports temp土制erature monito從說ring, ST11NN does not s討農upport tempe樹少rature monitori亮頻ng. ST11TN can moni器作tor the ambient tempe如吃rature, and the moni煙弟toring period can be mod為短ified through t器文he Server.
ST11NN can be pas信話ted on the asset equi湖秒pment through double-si知雨ded adhesive t頻體ape. When the ad醫廠hesive tape of道南 ST11NN fall雪子s off and ST11NN is stri答做pped off from雪玩 the asset, it can b呢件e detected by itself to小著 give a drop alarm北友.
Both ST11NN and ST11T她光N have the fun店民ction of battery power她劇 monitoring. When場些 the battery power is 公人found to be low黃開, alarm data can be我我 sent.