T&D, Data Loggers, models:

RTR-500DC	Operation Manual Setup Manual
RTR-501	Quick Start Manual
RTR-505	User Manual
RTR-53	User Manual
RTR-53A	User Manual
RTR-57U	User Manual
RTR-600 Series	Setup Manual User Manual
RTR-601 Series	User Manual
RTR-61	User Manual
RTR500BW	Read First Setup Manual
RTR502B	User Manual
RTR505B	User Manual
TR-50U	User Manual
TR-5xU Series	User Manual
TR-7 Series	Introductory Manual
TR-701NW	Read First
TR-71U	User Manual
TR-71W	Introductory Manual Quick Start Manual
TR-77Ui	User Manual
TR-7wb Series	Quick Manual Quick Start Manual Introductory Manual
TR-7wf Series	Using Manual Read First
TR41	User Manual
TR4A Series	User Manual
TR7 Series	User Manual
TR71A	Quick Start Manual