User Guide

14
Use CAT III rated leads or higher.
Press the AC/DC volts button to select AC voltage, press and hold the button
for Frequency and Duty Cycle modes.
WARNING
Do not attempt to measure more than 750V AC/1000V DC.
Features:
RANGE
HOLD
MAX/
MIN
PEAK
Frequency
Range Resolution Accuracy Overload Protection
99.99Hz 0.01Hz
± (0.1% +3 dgts) 600V RMS
999.9Hz 0.1Hz
9.999kHz 1Hz
99.99kHz 10Hz
Duty Cycle
Range Resolution Accuracy Overload Protection
1.0 to 99.0% 0.1%
±(0.2% per kHz +
0.1% + 5dgts)
600V RMS
Frequency Sensitivity: 1.8Vrms
Frequency (Hz) / Duty Cycle
• Default =
• Press x1 =
• Press and hold =
• Press and hold x1 =
DL489 True RMS
600V 600A
CAT III
CATII 1000V
CATIII
600V
MAX
30V
T2
T1
TEMP
NCV
MAX/
MIN
PEAK
DC
Zero
INRUSH
T
e
m
p
/
°
F
°
C
μ
A
A
V
H
z
/
D
u
t
y
MFD
RANGE
S/N
Battery Replacement
• When the batteries are too low for safe
operation, the Low Battery indicator will display
• Remove the scews from the battery cover.
Remove battery cover.
• Replace the old batteries with 6 new (AAA)
batteries.
• Replace the battery cover.
• Replace the screws.