temperature data logger / Bluetooth
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".
Both Pt/TC Sensor Compatible Unit
for Wide Range Measurement
Measurement ChannelsTemperature 1ch
Thermocouple Type (K, J, T, S, R ) or Pt100/Pt1000
(sensor not provided)
Measurement RangeTC: -199 to 1760 °C
Pt: -199 to 600 °C
TC (Thermocouple Measurement)
Type K, J, T: ±(0.5°C + 0.3 % of reading)
Type S, R: ±(1.5°C + 0.3 % of reading)
±(0.3°C + 0.3 % of reading)
LCD DisplayMeasurements, Battery Life Warning, etc.
Recording Intervals15 choices from 1 sec. to 60 min.
Comm InterfacesBluetooth 4.1 (Bluetooth Low Energy)
Operating EnvironmentTemperature: -40 to 80°C ( -25 to 80°C during wireless communication)
Humidity: 90%RH or less (no condensation)
DimensionsH:62mm × W:47mm × D:26.5mm
Battery LifeApprox. 1 month to 1 year
AccessoriesLithium Battery, Registration Code Label, Cable Clamp, etc.
Prices are for reference only; please check with your local distributor for exact pricing.