User Guide

(figure 7)

F. Frequency and Duty Cycle (%) Measurement (See figure 7)

UT205A has both frequency and duty cycle

measurement feature UT206A has only frequency

measurement feature

1. UT205A

a. Insert the red test lead into the Hz% terminal

a the black test lead into the COM terminal.

b. Set the rotary switch to Hz; press Hz% button

to switch between Hz and Duty cycle

measurement mode.

c. Or set the rotary to ACV or DCV range, then

To measure frequency and duty cycle, connect the

Meter as follows:

press Hz% button to switch between ACV or DCV, Hz and Duty cycle measurement

mode. But the accuracy will have a little difference based on the input frequency

and wave.

Red Black

Hz%

Model UT205A/206A: OPERATING MANUAL