Temperature Data Logger with internal temp. sensor, equipped with Bluetooth wireless technology. Our dedicated mobile app with automatic refresh allows you to monitor constantly changing data. Data can also be uploaded to our free cloud service “T&D WebStorage Service”.
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".
Measurement Channels |
Temperature 1ch (Internal) |
Measurement Range |
-40 to 80°C |
Accuracy |
± 0.5°C |
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) |
Dimensions |
H:62mm × W:47mm × D:19mm |
Waterproof Capacity |
IP67 |
Battery Life |
Approx. 1 month to 1.5 years |
Accessories |
Lithium Battery, Registration Code Label, etc. |