WIFI Temperature and Humidity Logger

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Provided: Each
32°F ~ 131°F (0°C ~ 55°C)
Humidity 10 ~ 95 %RH
FREE Cloud Storage and Alert Service, Bluetooth Connectivity
Wireless LAN (802.11b,g,n) Communication


Current Stock: 7

Notable Features

The TR-72A temperature and humidity data logger is a two-channel model with an external Thermistor sensor. The most distinguishing feature of TR-72A is its auto-upload function which automatically uploads recorded data from the logger to our free cloud service. It enables viewing uploaded data on your mobile device or PC anytime, anywhere.
Try our new data loggers and take a step into the new world of cloud storage...you won't want to go back.


  • Wireless LAN(802.11b/g/n) Communication with Mobile Devices for Setup and Data Download
  • USB Communication with PC for Setup and Data Download
  • Battery-Powered Operation; No Cables Necessary
  • Logging Capacity of 8,000 Data Sets
Type of Sensor: Thermistor / Polymer Resistance
Temperature Sensing Range: 32°F ~ 131°F (0°C ~ 55°C)
Temperature Accuracy: +/- 1°F (+/- 0.5°C) typical
Temperature Resolution: 0.1°
Temperature Scale: °F or °C
Humidity Range: 10 ~ 95 %RH
Humidity Accuracy: ±5 %RH at 25°C, 50%RH
Humidity Resolution: 1%
Dimensions: H:58mm × W:78mm × D:26mm
Weight: 55g
Calibration Available: Yes (purchased separately)
Battery Life: Approx. 10 days to 1.5 years
Special Notes: Setup via Smartphone App or PC Software
Data Points: 8,000
Recording Rate: Select from 15 choices: 1, 2, 5, 10, 15, 20, 30 sec. or 1, 2, 5, 10, 15, 20, 30, 60 min.
Network Connectivity: WiFi
  • WIFI, BLE Temp / Humidity Data Logger
  • Instruction Manual
  • (2) AA Batteries
  • Expert Technical Support
The TR7 Series uses a wireless LAN access point to auto-upload recorded data and warning notifications to the free cloud-based "T&D WebStorage Service". Use the mobile app “T&D Thermo” to check data from your smartphone or tablet and use Bluetooth communication to make settings, download recorded data, and create reports. To make settings from and download data via USB to a PC, use our Windows software “TR7 for Windows”.  Windows software “T&D Graph” makes it easy to view and analyze data from your PC.

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