The RTR-5 family of wireless data loggers from TandD Corp. can be used to monitor temperature, humidity and voltage, as well as pulse on/off cycles. The devices are portable and waterproof and have a battery life of up to two years. The Handheld Portable Data Collector features real time monitoring with audible alarms, the ability to download logged data from the loggers and view the results with graphical displays. In addition, the data can be downloaded via USB connection to a PC. Another family member is the network connected data collector with LAN interface using a wireless 802.11b option. The built-in Web server allows viewing through a Web browser. Additional features include real time monitoring and auto-downloading of logger data. The system can also be set to automatically originate e-mail warnings and text messages to cell phones if pre-programmed limits are exceeded.

For more information, call 518.669.9227 or visit www.tandd.com.