– 5 –
TEMP
CIRCUIT-TEST
DCL-420
AUTO
POWER OFF
ZERO
ADJUST
POWER
AC/DC
Hz
°F
V
A
MIN/MAX
HOLD
TRUE RMS CLAMP METER
!
!
500V
MAX
COM
V/F
AC600V
DC600V
CAT II
FRONT PANEL DESCRIPTION
NO. ITEM
DESCRIPTION
1
Clamp Jaws
Measure AC and DC current by clamping it around a single current
carrying wire.
2
Centering Marks
Position the conductor within the clamp jaws at the intersection of
these marks in order to meet the specified accuracy.
3
Hand Guard
Provides a protective distance from the jaw
4
DC Amps Zero Adjust Use to adjust the displayed reading to 0000 in DC Amps mode,
prior to making the measurements
5
Jaw Trigger
Press to open the clamp jaw
6
LCD Display
3-3/4 digit 4000 count LCD Display
7
AC/DC Button
Select AC or DC mode for current and voltage measurements
8
Temperature Jack
Plug in 'K' type thermocouple
9
Voltage Button
Press to select voltage measurement
10
/ Jack
Positive input jack to plug in red test lead to measure resistance or
to check continuity
11
Power Button
Power ON/OFF pushbutton switch
12
Frequency Button
Press to select frequency measurement
13
Temperature °F Button Select temperature measurement function in degrees Fahrenheit
14
MIN/MAX Button
Select MIN or MAX measurement function. This feature will not
work for (°F) temperature function
15
Current Button
Press to select current measurement
16
/ Button
Press to select between resistance measurement or continuity test
17
Data Hold Button
Displayed data will freeze and 'D-H' will appear on the LCD.
Changes in the input signal will not change the display
18
COM Jack
Plug in black test lead in all measurement modes, common ground
19
V/F Jack
Positive input jack to plug in red test lead to measure voltage or
frequency
19
17
15
13
12
6
5
4
3
2
1
7
8
9
10
18
16
14
11