The Dragino LTC2 Industrial LoRaWAN Temperature Transmitter is designed to monitor temperature for different environment. It supports to read PT100 probe and convert the value to temperature and uplink to IoT server via LoRaWAN protocol.

LTC2 supports datalog feature. User can retrieve the sensor value via LoRaWAN downlink command.

LTC2 is powered by 8500mA Li-SOCI2 battery for long time measurement. The battery can run 2~10 years depends on the network environment and working mode.

Each LTC2 has two internal 16 bit ADC interfaces and are calibrated on 12 set resistors to make sure the accuracy measurement on wide range.

LTC2 is LoRaWAN v1.0.3 compatible. Each LTC2 is pre-load with a set of unique keys for LoRaWAN registration, register these keys to local LoRaWAN server and it will auto connect after power on.

Default FW in AS923, but it support US915, AU915 and all 900MHz Frequency by loading different FW, it could also support 868MHz if loading 868MHz FW, but there will be slight 0.5-1dB loss here.

Features:

LoRaWAN v1.0.3 Class A
max: 2 x monitor temperature channels
Support 3 -wire PT-100
8500mAh Li-SOCI2 Battery
Firmware upgrade via console
Wall Mountable
Configurable via LoRa or UART
Datalog and retrieve via LoRaWAN
Use pre-load PT100 probe or 3rd PT100 probe
Factory calibration for different resistance range
Support accuracy measure of resistance and upload
Battery Monitoring and upload

Applications:

Logistics and Supply Chain Management
Food management.
Cold chains solution
Industrial Monitoring and Control

Specifications:

Environment

Operating Temperature

-40 ~ 85°C

Storage Temperature

-40 ~ 85°C

Protection Level

IP66

Sensor accuracy

Temperature Sensor

Temperature range

For HT model : -70 ~ 550 °C

Accuracy

Resolution: 0.01°C

Accurancy: 0 ~ 80°C ± 0.5°C

Cable length

2Meter

LoRaWAN frequency and Countries/Regions

Frequency	Status	Countries/Regions
EU868	OK	Europe and other
AU915, AS923	OK	Australia
		New Zealand
		Brunei
		Cambodia
		Hongkong
		Indonesia
		Japan
		Laos
		Singapore
		Taiwan
		Thailand
		Vietnam
CN470	OK	China
US915	OK	USA
KR920	OK	Korea

Datasheet: LTC2 datasheet.pdf

Operation manual: LTC2 User manual.pdf

Configure manual: LTC2 AT commands.pdf

Other documents: LTC2 Power Analyze.xlsx

Decorder: LTC2 decorder - TTN.txt

LTC2-HT - Industrial LoRaWAN Temperature Transmitter- PT100 High Temperature -70 ~ 550 °C