22
Measuring Frequency
WARNING!
Never attempt a frequency measurement with a voltage
source greater than 500V. Determine the voltage of any
unknown frequency source before connecting the
instrument in frequency mode. Make sure the tempera-
ture probe is NOT plugged in during this test.
Instrument set-up:
FUNC.
BLACK
RED
TEST LEAD
TEST LEAD
Hz
COM
V/
W
/
m
A
Measurement Procedure:
1.
Disconnect power to the circuit to be measured.
2.
Plug black test lead into the COM input jack.
3.
Plug red test lead into V/
W
input jack.
4.
Set the rotary switch to the
Hz
position.
5.
Reconnect power to the circuit to be measured.
6.
Read the frequency on the LCD.
Optional Modes
(See Other Features Section)
•
D-H:
Freezes the reading on the LCD.
•
MAX/MIN:
Records minimum and maximum
measurements
