Circuit-test DCL-620 Bedienungsanleitung
USER'S MANUAL
Clamp on Multimeter
True RMS AC
DCL-620
CIRCUIT-TEST ELECTRONICS
www.circuittest.com
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Safety
International Safety Symbols
This symbol, adjacent to another symbol or terminal, indicates the
user must refer to the manual for further information.
This symbol, adjacent to a terminal, indicates that, under normal
use, hazardous voltages may be present.
Double insulation
SAFETY NOTES
• Do not exceed the maximum allowable input range of any function.
• Do not apply voltage to meter when resistance function is selected.
• Set function switch OFF when the meter is not in use.
WARNINGS
• Set function switch to the appropriate position before measuring.
• When measuring volts do not switch to current/resistance modes.
• When changing ranges using the selector switch always disconnect the
test leads from the circuit under test.
• Do not exceed the maximum rated input limits.
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CAUTIONS
Improper use of this meter can cause damage, shock, injury or death.
Read and understand this user manual before operating the meter.
• Always remove the test leads before replacing the battery.
• Inspect the condition of the test leads and the meter for any damage
before operating the meter.
• Use great care when making measurements if the voltages are greater
than 25VAC rms or 35VDC. These voltages are considered a shock
hazard.
• Remove the battery if the meter is to be stored for long periods.
• Always discharge capacitors and remove power from the device under
test before performing Diode, Resistance or Continuity tests.
• Voltage checks on electrical outlets can be difcult and misleading be-
cause of the uncertainty of connection to the recessed electrical contacts.
Other means should be used to ensure that the terminals are not "live".
• If the equipment is used in a manner not specied by the manufacturer,
the protection provided by the equipment may be impaired.
Input Limits
Function Maximum Input
A AC 1000A
V DC, V AC 600V DC/AC
Frequency, Resistance, Diode,
Continuity, Capacitance Test 250V DC/AC
Temperature (°C/°F) 250V DC/ AC
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Meter Description
1. Current Clamp
2. Non-contact AC voltage indicator
3. Clamp trigger
4. Data Hold and Backlight button
5. Function switch
6. Hz % button
7. RANGE button
8. Relative button
9. MIN/MAX button
10. MODE button
11. LCD display
12. COM input jack
13. Positive input Jack
AC Alternating current
DC Direct currrent
AUTO Autoranging
REL Relative
Diode test
Continuity test
HOLD Data Hold
MAX Maximum reading
MIN Minimum reading
°C,°F Celsius, Fahrenheit (temperature)
μ,m, n,M,k Units of measure: micro, milli, nano, mega, kilo
A Amperes (current)
V Volts (voltage)
F Farad (capacitance)
Hz Frequency
% Duty ratio
Low Battery
Ω Ohms
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Specications
Function Range &
Resolution
Accuracy
(% of reading)
AC Current
(50/60Hz)
600.0 AAC ± (2.8 % + 8 digits)
1000 AAC ± (3.0 % + 8 digits)
AC Current
(400Hz)
600.0 AAC ± (5.0 % + 10 digits)
1000 AAC ± (5.0 % + 10 digits)
DC Voltage
600.0 mVDC ± (0.8% + 2 digits)
6.000 VDC
± (1.5% + 2 digits)60.00 VDC
600.0 VDC
AC Voltage
(50-400Hz)
6.000 VAC
± (1.8% + 8 digits)60.00 VAC
600.0 VAC
Resistance
600.0Ω ± (1.0% + 4 digits)
6.000KΩ
± (1.5% + 2 digits)60.00KΩ
600.0KΩ
6.000MΩ ± (2.5% + 3 digits)
60.00MΩ ± (3.5% + 5 digits)
Capacitance
40.00nF ± (4.0% + 20 digits)
400.0nF
± (3% + 5 digits)4.000μF
40.00μF
400.0μF ± (4.0% + 10 digits)
4000μF ± (5.0% + 10 digits)
Frequency
Sensitivity:15Vrms 10-10kHz ± (1.5% + 2 digits)
Temp (type-K) (probe
accuracy not included)
-20.0 to 760.0°C ± (3% + 5°C)
-4.0 to 1400.0°F ± (3% + 9°F)
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Clamp size Opening 1.5" (40mm) approx.
Diode Test Test current of 0.3mA typical; Open circuit voltage
1.5V DC typical.
Continuity Check Threshold <40Ω; Test current < 0.5mA
Low Battery Indicator “ ” is displayed
Over range Indicator “OL” is displayed
Measurement Rate 2 per second, nominal
Input Impedance 10MΩ (VDC and VAC)
Display 6000 counts LCD
AC Current bandwidth 50-400Hz (AAC)
AC Voltage bandwidth 50-400Hz (VAC)
Operating Temperature 41 to 104°F (5 to 40°C)
Storage Temperature -4 to 140°F (-20 to 60°C)
Operating Humidity Max 80% up to 87°F (31°C) decreasing linearly
to 50% at 104°F(40°C)
Storage Humidity <80%
Operating Altitude 7000ft. (2000meters) max.
Battery One 9V Battery
Auto power OFF approx. 15 minutes
Dimensions / Weight 232x77x39mm / 271g
Safety / Approvals This meter is UL and CUL approved and con-
forms to IEC61010-1 for Overvoltage Category
CAT III 600V
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Operation
NOTES: Read and understand all warning and caution statements in this
operation manual before using this meter. Set the function select switch to
the OFF position when the meter is not in use.
AC Current Measurements
WARNING: Ensure that the test leads are disconnected from the meter
before making current clamp measurements.
1. Set the Function switch to the 1000A or
600A range.
2. If the range of the measured is not
known, select the higher range rst then
move to the lower range if necessary.
3. Press the trigger to open jaw. Fully
enclose one conductor to be measured.
The clamp meter LCD will display the reading.
DC/AC Voltage Measurements
1. Insert the black test lead into the negative COM terminal and the red
test lead into the positive V terminal.
2. Set the function switch to position.
3. Select AC or DC with the MODE button.
4. Connect the test leads in parallel to the circuit under test.
5. Read the voltage measurement on the LCD display.
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Resistance Measurements
1. Insert the black test lead into the negative COM terminal and the red
test lead into the positive terminal.
2. Set the function switch to the Ω position.
3. Touch the test probe tips across the circuit or component under test. It
is best to disconnect one side of the device under test so the rest of the
circuit will not interfere with the resistance reading.
4. For Resistance tests, read the resistance on the LCD display.
Diode and Continuity Measurements
1. Insert the black test lead banana plug into the negative COM jack and
the red test lead banana plug into the positive diode jack.
2. Turn the function switch to the position.
3. Press the MODE button until “ ” appears in the display.
4. Touch the test probes to the diode under test. Forward voltage will indi-
cate 0.4V to 0.7V. Reverse voltage will indicate “OL”. Shorted devices
will indicate near 0mV and an open device will indicate “OL” in both
polarities.
5. Press MODE button to display .
6. For Continuity tests, if resistance is < 40Ω, tone will sound.
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Capacitance Measurements
WARNING: To avoid electric shock, disconnect power to the unit under test
and discharge all capacitors before taking any capacitance measurements.
Remove the batteries and unplug the line cords.
1. Set the rotary function switch to the position.
2. Insert the black test lead banana plug into the negative COM jack.
Insert the red test lead banana plug into the positive V jack.
3. Touch the test leads to the capacitor to be tested.
4. Read the capacitance value in the display
Frequency/Duty Cycle Measurements
1. Set the rotary function switch to Hz position.
2. Select ACV with the MODE button
3. Press the Hz/% button to indicate “Hz” in the display.
4. Insert the black lead banana plug into the negative COM jack and the
red test lead banana plug into the positive Hz jack.
5. Touch the test probe tips to the circuit under test.
6. Read the frequency on the display.
7. Press the Hz/% button again to indicate “%” on the display. Read the %
of duty cycle on the display.
Temperature Measurements
WARNING: To avoid electric shock, disconnect both test probes from any
source of voltage before making a temperature measurement.
1. Set the function switch to °C / °F.
2. Insert the Temperature Probe into the negative COM and the V jacks,
making sure to observe the correct polarity.
3. Select °C or °F with the MODE button.
4. Touch the Temperature Probe head to the part whose temperature you
wish to measure. Keep the probe touching the part under test until the
reading stabilizes (about 30 seconds).
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5. Read the temperature in the display. The digital reading will indicate the
proper decimal point and value.
WARNING: To avoid electric shock, be sure the thermocouple has been
removed before changing to another measurement function
Non-Contact AC Voltage Measurements
WARNING: Risk of Electrocution. Before use, always test the Voltage
Detector on a known live circuit to verify proper operation
1. Touch the probe tip to the hot conductor or insert into the hot side of the
electrical outlet.
2. If AC voltage is present, the detector light will illuminate.
NOTE: The conductors in electrical cord sets are often twisted. For best
results, rub the probe tip along a length of the cord to assure placing
the tip in close proximity to the live conductor.
NOTE: The detector is designed with high sensitivity. Static electricity or
other sources of energy may randomly trip the sensor. This is normal
operation
MODE Button
To select DC/ACV, OHM/Diode/Continuity, °C/°F
MAX & MIN Recording Button
Press MAX/MIN to enter MIN, MAX recording mode (manual range only).
Select the proper range before selecting this mode to ensure that the
MIN/MAX reading will not exceed the testing range. Press once to select MAX.
Press again to select MIN and press and hold MAX/MIN button to exit this mode.
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