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T&D's Advanced Wireless System

Our 2nd Generation System, which offers the broadest line of Wireless Data Loggers and the widest selection of data collection methods in the industry, has the flexibility to address practically any application. >> see more

See: RTR-5series

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Portable Waterproof Loggers

Compact, battery powered, waterproof Data Loggers with LCD displays. Collect data with a unique graphing handheld data shuttle. Now with both photo-optical and IR communication for cord free downloading.

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Compact USB Loggers

Compact, battery powered Data Loggers with large LCD displays.
See: TR-71Ui/72Ui, 2 Ch. Temp, Temp + Humid
See: TR-73U, Temp + Humid + Ambient Pressure
See: TR-74Ui, Temp + Humid + Light + UV
See: TR-77Ui, Wide Range Temp + Humid

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Monitor Over a Network

Self contained two channel Data Loggers for viewing, monitoring and downloading Temperature & Humidity over a LAN or the Internet.

RTR-500 promortion

What's New?

News Releases

Apr 13, 2012: Announcing Additional Models to Our TR-5i Series - The "Data Recorder TR-55i" Lineup
Apr 06, 2012: Announcing a New Version of " T&D Graph (Beta)"
Feb 15, 2012: Announcing a New Version of TR-50U: Communication Port TR-50U2
Dec 26, 2011: High Precision Temperature/Humidity Sensor Type "TR-74Ui-H" and "RTR-574-H"
Dec 26, 2011: Announcing our New TR-76Ui Data Logger for CO2, Temperature and Humidity
Sep 30, 2011: Announcing the release of our powerful new application: "Current Readings Monitor"
Sep 30, 2011: Announcing our New RTR-505 Wireless Data Recorder for EU
Jun 30, 2011: Announcing our New RTR-505 Wireless Data Recorder for US
Mar 11, 2011: Announcing our New Wireless Thermo Recorder : log-EZ

Holiday and Shipping Information

Apr 25, 2012: Holiday Notice (April 30, 2012), (May 3, 2012 – May 4, 2012)
Dec 20, 2011: Holiday Notice (December 28, 2011 – January 5, 2012)