14
Use CAT III test leads or higher.
Select AC Voltage mode, press the button for Frequency and Duty Cycle
modes.
Frequency
Range Resolution Accuracy Overload Protection
99.99Hz 0.01Hz
± (0.1% +4 dgts) 600V RMS
999.9Hz 0.1Hz
9.999kHz 1Hz
99.99kHz 10Hz
199.9kHz 100Hz
Minimum Frequency: 0.5Hz, DC V offset should be zero
Sensitivity: > 10% of each AC volt range except 4V (>20%) range only
Duty Cycle
Range Accuracy Overload Protection
1.0 to 99.0%
± (0.2% per kHz +0.1%)
+5 dgts
600V RMS
0.5Hz to 100KHz (pulswidth > 2µ sec)
Frequency (Hz) / Duty Cycle Measurements
Hi-NCV-Lo
MFD
°F °C
µA
CAT Ill
600V 400A
MAX/MIN
HOLD
Hz / Duty
SELECT
TEMP
DISCONNECT
30V MAX
TESTLEADS
True RMS
DL389B
MAX
CATll1000V
CATIII600V
• Default =
• Press x1 =
• Press x2 = %
Features:
V
Hz/Duty
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