Fluke PM3370B Measure Meas 2-FREQ, Measure Delay, Remove the Probe Adjust signal from channel

HOW TO USE THE INSTRUMENT 4 - 51

MEASURE MEAS 2-FREQ

-Press the ’RETURN’ softkey to return to the ’MEASURE’ menu.

-Turn on MEAS 2.

MEAS 2 performs a frequency measurement on the same signal. The screen displays this result as : ’ch1 freq= ....kHz’.

-Remove the Probe Adjust signal from channel 1

Because of the absence of an input signal, no frequency can be measured. This results in the display ’ch1 freq= ----Hz’.

MEASURE DELAY

-Connect the Probe Adjust signal to channels 1 and 2.

-Turn on channel 2.

-Shift the signal on channel 1 to the upper half of the screen and the signal on channel 2 to the lower half of the screen.

-Press the softkey next to MEAS1.

The SELECT MEAS1 submenu is displayed.

-Press the first softkey to select ’delay’

The delay measurement is performed automatically. Observe that the first measurement is linked to the channel 1 signal (on positive slope) and the second is listed to the channel 2 signal (on negative slope).

The delay is displayed in the top corner of the screen

’ch1: del = .... μs’.

1−

2−

DELAY

SELECT
MEAS 1
volt
time
delay
-
ch1	T
ch2
ch1	Δ
ch2
-
RETURN

ST6723

9303

-Press the RETURN softkey to return to the MEASURE menu.

This measurement is very useful when you must compensate unequal cable delays.