T&D TR42A Bluetooth Temperature Data Logger with External Sensor

Bluetooth temperature data logger designed for fast and reliable single‑channel temperature monitoring.

The TR42A is an external sensor temperature logger built for applications requiring quick response and stable wireless data collection. Using Bluetooth Low Energy, recorded temperature data is sent to a mobile device and can be uploaded to the T&D cloud service for secure storage, graphing and report creation.

Specifications

• Model: TR42A (TR4A Series)
• Measurement channels: Temperature (1ch, external sensor)
• Temperature measurement range: -60 to 155 °C
• Temperature accuracy: Average ±0.5 °C
• Temperature resolution: 0.1 °C
• Sensor type: Thermistor
• Sensor response time: Approx. 35 minutes (90% response)
• Logging capacity: 16,000 readings
• Recording intervals: 15 options from 1 sec to 60 min
• Recording modes: Endless or one‑time
• Display: LCD with measurements, recording status and battery warning
• Communication interface: Bluetooth 4.2 (Bluetooth Low Energy)
• Data download time: Approx. 15 seconds (full logger)
• Power supply: Lithium battery LS14250 × 1
• Battery life: Approx. 1.5 years (usage dependent)
• Operating environment:
  • Temperature: -40 to 80 °C
  • Wireless communication: -30 to 80 °C
• Waterproof rating: IP64 (splash proof, rated for daily use)
• Dimensions: 62 × 47 × 19 mm
• Weight: Approx. 45 g
• Included items: Temperature sensor TR‑5106, lithium battery, registration code label, strap, manual set

Common Applications

• Liquid and solid material temperature monitoring
• Cold storage and freezer temperature tracking
• Transport and logistics temperature recording
• Industrial process temperature monitoring
• Environmental monitoring in limited‑access areas

The TR42A data logger combines compact design with Bluetooth temperature data logger functionality and external sensor flexibility for dependable temperature measurement.

For sales and support of the TR42A, Bluetooth temperature data logger, external sensor temperature logger, and TR42A data logger, contact CMC Technologies on ph 02 9669 4000 or email sales@cmctechnologies.com.au.