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T&D Temp WiFi Logger with 2 External Sensors (TR-71WB)


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T&D Temp WiFi Logger with 2 External Sensors (TR-71WB)

  • Wi-Fi enabled loggers
  • Auto data upload to cloud storage
  • Direct communication to mobile devices
  • Free Web Storage - no monthly fees
  • 2 Independent Temperature Probes

Connect a TR-7wb/nw series logger to your existing W-Fi network and record temperature and humidity data directly to the cloud. No base stations or gateways required.

Select from three models: TR-71wb for recording temperature from two inputs, TR-72wb for recording temperature and humidity, and a TR-72wb-S for high accuracy recording of temp and humidity.

These battery powered loggers record up to 8,000 readings on board with up to an 18 month battery life. Manage setup, alerts, downloads and updates directly from your mobile device with the free App.

Free Webstorage Service keeps data fully accessible via browsers and mobile devices so you're always connected to your critical data.

Temp. Range (Meter)
14 to 140°F (-10 to 60°C)
Humidity Range (Meter)
90% RH or less (no condensation)
Sensor Range (Included Probes (2))
-40 to 230°F (-40 to 110°C)
Temperature Resolution
Temperature Accuracy
±0.5°F (±0.3°C) from -4 to 176°F (-20 to 80°C).
±0.9°F (±0.5°C) from -40 to -4°F (-40 to -20°C) and 176 to 230°F (80 to 110°C)
Dimensions of Meter
2.28 H x 3.07 W x 1.02 D inches
58 H x 78 W x 26 D mm
Response Time 90% (Probe)
Approx. 190 sec. (in air)
Sensor Type (Included Probes)
TPE Resin-Shielded Sensor
Waterproof Rating (Meter)
Memory Capacity
8,000 data sets (One data set consists of readings for all channels in that type of unit.)
Sample Rate
Choose from 1, 2, 5, 10, 15, 20, 30 sec. or 1, 2, 5, 10, 15, 20, 30, 60 min.
Transmission Interval
Choose from ( No auto-upload ), 1, 2, 5, 10, 15, 20, 30 min. or 1, 2, 3, 4, 6, 12, 24 hrs.
Connection Kit
USB cable included.
Communication Type
USB and WiFi
Communication Range
WiFi dependent
Alarm Option(s)
Email or on a connected device via the free app.
Power Source(s)
Battery, USB Power
Battery Type/Life
2xAA Alkaline Battery included; user replaceable/ With LAN communication: Approx. 10 days to 1.5 years. Ex: Approx. 10 days when Auto-upload Interval is 1 min, 1 yr when 1 hr, 1.5 yrs when 12 hrs or more.
Without LAN communication: Approx. 1.5 years
0.78 x 2 inches (22 x 52 mm) LCD
Compatible OS
Windows (for the software), iOS and Android apps and web browsers.
Meter: 1 Year
Free Download
Calibration Trim
In Software

Download TandD WiFi Loggers Operating Instructions

Download Setup Guide

T&D Webstorage Service

Access real-time and archived logger data from anywhere using an active web browser with our free cloud-based storage service. Data from all your loggers can be configured to transmit data automatically to the WebStorage Service. Set up custom views, download archived data to your PC for analysis, view logger readings and battery levels, display graphs and trends, and much more. The best feature is that it's free! Viewable from any computer, tablet, or Smartphone with browser access.

Click here to view the online demo.

Free Mobile App - T&D Thermo

Manage logger settings, download logged readings, set alerts and access Cloud dashboard all from your mobile device with the free app.


Numerous free software tools are available for these data loggers.  Call us at 800-393-6434 so we can help you download the most suitable option for your situation.