The TR4 series are data loggers equipped with Bluetooth low energy. With a smartphone/tablet and our dedicated apps, logger communication and data management have never been easier. We offer dedicated apps for real-time monitoring of changing data and uploading recorded data to our free cloud service "T&D WebStorage Service".
Real-Time Data Monitoring from Smart Device
Simultaneous Data Collection from Multiple Loggers
Automatic Data Upload
Measurement Channels Temperature 1ch Thermocouple Type (K, J, T, S, R ) or Pt100/Pt1000 (sensor not provided)
Measurement Range TC: -199 to 1760 °C Pt: -199 to 600 °C
Accuracy TC (Thermocouple Measurement) Type K, J, T: ±(0.5°C + 0.3 % of reading) Type S, R: ±(1.5°C + 0.3 % of reading) Pt: ±(0.3°C + 0.3 % of reading)
LCD Display Measurements, Battery Life Warning, etc.
Logging Capacity 16000
Recording Intervals 15 choices from 1 sec. to 60 min.
Recording Mode Endless/Onetime
Comm Interfaces Bluetooth 4.0 (Bluetooth Low Energy)
Power Lithium Battery
Operating Environment Temperature: -40 to 80°C ( -25 to 80°C during wireless communication) Humidity: 90%RH or less (no condensation)
Dimensions H:62mm × W:47mm × D:26.5mm
Battery Life Approx. 1 month to 1 year
Accessories Lithium Battery, Registration Code Label, Cable Clamp, etc.