User`s manual

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TEMP
CIRCUIT-TEST
DCL- 420
AUTO
POWER OFF
ZERO
ADJUST
POWE
R
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