REJEEE SL100 Temperature and Humidity Sensor User Manual

June 5, 2024
REJEEE

REJEEE SL100 Temperature and Humidity Sensor

REJEEE-SL100-Temperature-
and-Humidity-Sensor-PRO

General Information

SL100 is a long-range low-power temperature and humidity sensor based on Semtech SX1262/SX1268.

Sensor Type Product Number
Built-in SHT30 SL100CN, SL100EU,SL100US,SL100AS

Main features:

  • Sensirion High Sensitivity Sensor
  • Type-C for Local Configuration
  • Internal Battery Up to 5 Years(LCP=5s,LFT=600s @SF9)
  • LoRa Long Range Low Power

Details

Parameters Feature
CPU STM32L151
Wireless LoRaWAN(SX1262/SX1268)
Encryption AES128
Battery Built-in Li-battery (Changeable, and No Recharge)
Battery Capacity 5400mAh
Working Temperature -45℃~+ 85℃
Working Humidity 0-100%RH
Communication Half duplex
Accuracy Temperature : ±0.3℃, Humidity:±3%RH
Lifespan 5 Years(Every 10 Minutes for data uploading

@SF9)
Data Speed| 300bps-62.5k bps
Size| 102mm60mm25mm
TX Power| 22dBm Max
RX Sensitivity| -140 dBm
Frequency| SX1268: CN470

SX1262: EU868 / US915 / AS923

Size: 102mm60mm25mmREJEEE-SL100-Temperature-and-Humidity-
Sensor-2

Installation

  • Lay the product flat on the tableREJEEE-SL100-Temperature-and-Humidity-Sensor-3
  • Hang on the wallREJEEE-SL100-Temperature-and-Humidity-Sensor-4

Connect to LoRaWAN Network

LoRaWAN Network Structure

  • SL100 temperature and humidity sensor is based on standard LoRaWAN Class A, so you can connect to any LoRaWAN network as below:
  • SL100 sensor data uplink format with LoRaWAN OTAA, OTAA parameter as below:
  • AppEUI: CACBB80000000001
  • AppKey: 11223344556677889900AABBCCDDEEFF
  • DevEUI: Customer can find DevEUI on the product, also you can read DevEUI through Rejeee SensorTool SensorTool

For example: Connecting to The Things Network, please make sure choose manually connect and OTAA as below:

Sensor LoRaWAN

SL100CN

|
Sensor| LoRaWAN
---|---

SL100EU

|

SL100US

|

SL100AS

|

**Set ID and Key

REJEEE-SL100-Temperature-and-Humidity-
Sensor-10**

Data analysis example for JavaScript:

Wireless LoraWAN Sensor Data Format

LoRaWAN Format:
Picture as below, FRMPayload is sensor data.REJEEE-SL100-Temperature-and-
Humidity-Sensor-12

Sensor Data Definition

Device Information(0x00)

Type Value Value Value
1 Byte 3 bit 5bit 1 Byte
0x00 Version Battery Level Reserve

Temperature(0x04)

Type 1 Byte Value 2 Bytes Comments

0x04

| ****

Temperature

| 2-byte signed integer with negative value below zero

The default unit is 0.1 degrees, that is 201 means 20.1 degrees

e.g. 0xFF88 is -120 (-12℃), Network byte order mode is {04 FF 88}

Humidity(0x05)

Type 1 Byte Value 1 Byte Comments

0x05

| ****

Humidity

| Unsigned integer of 1 byte.

The default unit is 1%RH, that is 10 means 10%RH

FRMPayload Example: 00 3F 24 04 01 1C 05 3E 00 3F24 Device Information, Version is 0x01, level is 0x1F = 31 04 011C Temperature is 0x011C = 284 = 28.4 ℃ 05 3E Humidity is 0x3E = 62 = 62 %RH

Local Configuration

Note: Factory reset data uploading is every 10 mins, customers can change data uploading frequency as below: Connect sensor with a USB-C cable to computer for local configuration, through local configuration, you can change the packet frequency. Refer SensorTool Manual.

References

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