Specifications

display 1 shows the logged reading. Each presses of ENTER will automatically

store the logged readings in the next memory location. Press or could

change the memory location, the empty location shows “- - - - - ”.

5. If you selected an auto logging interval, set the logging interval not 00:00. After

entering logging mode, the secondary display 2 shows “:” Press ENTER to start

storing readings in sequence according to the pre-set logging interval, the “:”

blinks. Press ENTER again to pause auto logging, the “:” stop blinking. Press

ENTER again to resume logging, the “:” blinks again.

Model UT321/322/323/325: OPERATING MANUAL