Environnement

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ENVIRONNEMENT LORAWAN™

The ENVIRONNEMENT is a complete LoRaWan™ sensor that can measure two different things:
temperature and humidity. This product is battery operated which gives more flexibility in its positioning.

The ENVIRONNEMENT sensor measures temperature and indoor humidity. The ENVIRONNEMENT periodically sends its sensor measurements via LoRaWan radio link.

The equipment can be mounted a variety of ways Screwing to the wall Using a double sided adhesive

ENVIRONNEMENT equipment has different identification number called as EUID. Each unit has a unique id. The unique product identifier for configuration on the LoRaWan network.

How it works

Payload descriptions

The ENVIRONNEMENT sensor transmits its data in raw format on different public and private
LoRaWAN™ networks. The section below shows you how to decode the frames (Payload) sent by this
sensor.

Periodic frames

The periodic frames contain the data measured by the sensor
ENVIRONNEMENT.
Example of a periodic transmitted frame (HEXADECIMAL):

0005 00 6A0B 04 60

 

Index (in bytes)NameExampleDescription
1Frame type00Data sent periodically Other possible values: 0x01: Data sent during an event 0x10: Sensor status data
2Payload size05Number of bytes sent. 0x05 in hexadecimals gives 5 bytes (excluding header: Frame type and Payload Size)
3Object Type00Object Type 0x00: Temperature
4-5Data6A0B6A0B – Little endian encoded value 0x0B6A: 2922 x 0.01°C = 29.22°C
6Object Type04Object Type 0x04: Humidity
7Data600x60: 96 x 0.5%RH = 48%RH

Status frame

he status frames contain additional information about the sensors (battery level, firmware version …).
Example of a transmitted (HEXADECIMAL) status frame:

100A 0000 020401 0405 083C00

 

Index (in bytes)NameObjectDescription
1Frame type10Status frame
2Payload size0ANumber of bytes sent. 0x0A in hexadecimals gives 10 bytes (excluding header: Frame type and Payload Size)
3-4Type of sensor00 000x02: Ambiance Other possible values: 0x00: Environment v0x01: Presence 0x02: Ambiance 0x10: Pulse 0x20: TyNess
5-7Firmware version02 04 010x04: Minor MSB version 0x01: Major LSB version i.e. firmware version 1.4
8-9Battery level04 05 0x05: Battery level: normal Other possible values: 0x08: Mains power supply 0x07 -> 0x02: Battery level normal 0x01: Level low 0x00: Level critical
10-12Periodicity08 3C 00Periodicity of transmissions in seconds. Value of 16-bit code in little endian to multiply by 10. 3C 00 => 0x003C hexadecimal i.e. 60 decimal and 60 x 10 = 600 seconds i.e. a transmission every 10 minutes.

TECHNICAL SPECIFICATIONS

VOLTAGE 3.6 VDC

LIFE SPAN ON BATTERY POWER 5 years*

VOLTAGE USING EXTERNAL POWER 5 to 12 VDC

Temperature measurement

TEMPERATURE – 40 to 60°C

ACCURACY 0,5°C

Relative humidity

HUMIDITY 0 to 100%

ACURACCY 2%

LoRaWAN™

FREQUENCY 868MHz

UNIQUE SERIAL NUMBER oui

MAXIMUM TRANSMISSION POWER 25mW

COMMUNICATION RANGE up to 15km in open areas**

AREA OF APPLICATION: Indoors

OPERATING TEMPERATURE From 0 to 60°C

STORAGE TEMPERATURE From -20°C to +70°C

OPERATING HUMIDITY From 10 to 80 %, without condensation

MAXIMUM ALTITUDE 2 000 m

DIMENSIONS (H X L X D) 86 x 86 x 25.5 mm

CHASSIS MATERIAL ABS

WEIGHT 80 g (without batteries)

PROTECTION RATING IP20

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