The TR-71WF temperature data logger is a two channel model with additional internal Thermistor sensor. The temperature data logger supports communication with mobile devices and can be used with or without a PC. It can send out an email alert or be checked from any internet browser through a free cloud service, and it can connect to up to 3 different WiFi networks. A free mobile application is also available.
Wireless LAN 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
-76°F ~ 311°F (-60°C ~ 155°C)
+/- 0.6°F (+/- 0.3°C) typical
°F or °C
Type of Sensor
Sensor Wire Length
Stripped Leads Length
Number of Measuring Points
Number of Events
Number of Sensors
Min/ Max Memory
Yes (purchased separately)
Two (2) AA Battery
1.5 Years (with most conservative recording/transmisson interval)
-40 to 110°C
Measurements, Battery Life Warning, etc.
8,000 data sets
15 choices from 1 sec. to 60 min.
Wireless LAN, USB
AA Alkaline Battery x 2, AC Adaptor
Temperature: -10 to 60°C Humidity: 90%RH or less (no condensation)
H:58mm × W:78mm × D:26mm
Approx. 10 days to 1.5 years
Temperature Sensor x2, AA Alkaline Battery (LR6), etc.