Looking for tough compact logger that can take some water and keep on logging?
Bluetooth Enabled Temperature Logger with Internal Sensor for Extra Durability and Water Protection
TR41
TR4 Series
Channels | Temperature 1ch (Internal) |
---|---|
Range | -40 to 80°C |
Comm Interfaces |
Bluetooth 4.1 (Bluetooth Low Energy) |
Overview
Our very affordable and easy-to-use TR4 Series loggers allow you to keep track of ever changing temperature and check on recorded data via your smartphone or tablet. The compact rugged TR41 model comes with a built in sensor, offers our best waterproof rating (IP67) and is operable in a wide range of environments (-40 ℃ to 80 ℃).
Special Features

The durability and compact size of the TR41 make it perfect for tracking cargo temperature in transport. Using our free app "ThermoREC" with a smartphone or tablet makes it easy to monitor real time TR41 measurements, view graphs of recorded data, make settings changes and upload data to "T&D WebStorage Service" our free cloud storage service. A separate mobile app "ThermoStorage" makes it simple to simultaneously upload data from multiple loggers within Bluetooth range.
And for generating PDF reports that can be printed, saved, shared and sent by email, we offer "TR4 Report" (currently only available for iOS devices).
Options
Software & Apps
Product News
- Mar 29, 2022 Apps/Software/Firmware T&D Tools Update (Ver. 1.01.0)
- Nov 30, 2021 Apps/Software/Firmware T&D Tools Update (Ver. 1.00.5)
- Nov 30, 2021 Apps/Software/Firmware T&D Graph Update (Ver. 1.14.0)
- Nov 08, 2021 Apps/Software/Firmware ThermoREC (iOS) Update Info (Ver. 1.17)
- Oct 19, 2021 Apps/Software/Firmware Announcing the Release of 'TR4 Report (for Android)'