Vega TD-21 | IOT VEGA | Temperature sensor

Vega TD-21 is designed to take readings from an external temperature sensor (included in delivery) with subsequent accumulation and transmission of this information to the LoRaWAN^® network. The device can communicate both with a given period and when the measured temperature goes beyond the established limits. The explosion-proof design allows the device to be used in production areas of enterprises where the formation of mixtures of air with gases and explosive vapors of substances is possible.
Vega TD-21 has an external battery pack and a backup power source inside the main body. This design option allows you to replace the main power source without opening the case or dismantling the device from the monitoring site. When replacing the main power source, the device will continue to operate using a backup battery.

Features

Class A device
Frequency plans RU868, EU868, KZ865 (default)
Frequency plans IN865, AS923, AU915, KR920, US915 (order option)
Ability to set a custom frequency plan (based on EU868)
Temperature measurement using an external measuring element (up to 2 pcs.)
Linking readings to time according to the internal clock
Contact period - once every 15, 30 seconds, 1-5, 15, 30 minutes, 1, 6, 12 or 24 hours
The period of accumulation of readings is once every 15, 30 seconds, 1-5, 15, 30 minutes, 1, 6, 12 or 24 hours
Save untransmitted packets in memory (up to 200 entries)
ADR (Adaptive Data Rate) support
Support for sending confirmation packets (configurable)
Activation method OTAA, ABP (configurable)
Two operating modes Active and Warehouse
Measuring the charge of the built-in battery
Backup battery
Sensitivity: up to -138dBm
Explosion protection type ia
Ability to replace the main battery without opening the main unit of the device and removing the device from the monitoring object

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Characteristics

External sensor type	up to 2 pcs. Pt1000
Operating temperature range, °C	-56…+85
Measured temperature range, °C	-60…+300
Temperature measurement accuracy	±0.3 °С
LoRaWAN^® device class	A
Number of LoRaWAN^® channels	8
Frequency plans (default)	RU868, EU868, KZ865, arbitrary (based on EU868)
Frequency plans (order option)	IN865, AS923, AU915, KR920, US915
Activation method in the LoRaWAN^® network	ABP or OTAA
Data accumulation period	every 15, 30 seconds, 1-5, 15, 30 minutes, 1, 6, 12 or 24 hours
Contact period	every 15, 30 seconds, 1-5, 15, 30 minutes, 1, 6, 12 or 24 hours
LoRaWAN^® antenna type	internal
Sensitivity	-138 dBm
Radio communication range in rural areas	up to 15 km
Radio communication range in dense urban areas	up to 5 km
Default transmit power	25 mW (configurable)
Main battery type	ER34615 (type D), 3.6 V, 19 Ah
Backup battery type	CR123A, 3 V, 1500 mAh
Case dimensions, no more than, mm	243 x 114 x 45
Degree of housing protection	IP67
Explosion protection marking	0Ex ia IIC T4 Ga X

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