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LTC2-SI LoRaWAN® Temperature Sensor (PT-100)
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ER26500 + SPC1520 8500mAh non-Rechargeable Battery
ER26500 + SPC1520 8500mAh non-Rechargeable Battery
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LTC2-HT LoRaWAN® Temperature Sensor
LTC2-HT LoRaWAN® Temperature Sensor
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LTC2-SI LoRaWAN® Temperature Sensor (PT-100)

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The Dragino LTC2-SI LoRaWAN® Temperature Sensor (PT-100) is an industrial-grade temperature transmitter engineered for high-accuracy monitoring using 3-wire PT100 probes. Designed for reliable long-range communication, the LTC2-SI converts precise resistance measurements into temperature data and securely transmits it to an IoT server via LoRaWAN® v1.0.3 Class A protocol.

Built for demanding industrial and remote environments across India, the LTC2-SI supports up to 2 temperature monitoring channels, enabling dual-point temperature measurement with a single device. Its dual internal 16-bit ADCs with factory calibration ensure stable and accurate readings across a wide temperature range.

Powered by a robust 8500mAh Li-SOCl₂ battery, the LTC2-SI supports long-term deployments of up to 10 years depending on reporting intervals and network conditions. With battery level monitoring, LoRaWAN® downlink configuration, and UART setup options, the device offers flexible deployment and maintenance-friendly operation.

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  • LoRaWAN® v1.0.3 Class A compliant
  • Supports up to 2 temperature monitoring channels
  • Compatible with 3-wire PT100 probes (preloaded or third-party)
  • Dual 16-bit ADCs with factory calibration
  • High-precision resistance-to-temperature conversion
  • 8500mAh Li-SOCl₂ battery (up to 10 years*)
  • Battery level monitoring and uplink reporting
  • Configurable via LoRaWAN® downlink or UART
  • Wall-mountable industrial enclosure
  • Designed for harsh industrial environments

*Battery life depends on transmission interval and network coverage.

LoRaWAN Specifications

  • Protocol: LoRaWAN® v1.0.3 Class A
  • Activation: OTAA (pre-loaded keys)
  • Configuration: LoRaWAN® Downlink or UART

Measurement Specifications

  • Temperature Channels: Up to 2
  • Probe Type: 3-wire PT100
  • ADC: Dual 16-bit internal
  • Calibration: Factory calibrated

Power Specifications

  • Battery Type: 8500mAh Li-SOCl₂
  • Expected Battery Life: Up to 10 years

Mechanical Specifications

  • Industrial-grade enclosure
  • Wall mountable
  • Designed for industrial & remote monitoring

The Dragino LTC2-SI is ideal for:

  • Cold chain and food safety monitoring
  • Industrial process temperature control
  • Logistics and supply chain tracking
  • HVAC and facility temperature monitoring
  • Warehouse and infrastructure monitoring

The LTC2-SI supports up to two independent 3-wire PT100 probes for dual-channel monitoring.

Yes, the device supports standard 3-wire PT100 probes, including compatible third-party models.

Yes, with its 8500mAh battery and industrial enclosure, it is designed for long-term remote monitoring applications.

Documents

LTC2_User_Manual

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LTC2-Data_sheet

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LTC2_Firmware

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