Klein Tools CL120 Manuel utilisateur

INSTRUCTION MANUAL

600V

400A

20M

400A AC Auto-Ranging

Digital Clamp Meter

INSTRUCTION MANUAL

400A AC Auto-Ranging

Digital Clamp Meter

400A AC Auto-Ranging

Digital Clamp Meter

• NON-CONTACT

VOLTAGE TESTING

• AUTO-RANGING

• DATA HOLD

• RANGE HOLD

• AUDIBLE

CONTINUITY

ENGLISH

CL120

CAT III

600V

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GENERAL SPECIFICATIONS

Klein Tools CL120 is an automatically ranging digital clamp-meter

that measures AC current via the clamp, and AC/DC voltage,

resistance and continuity via test-leads.

• Operating Altitude: 6562 ft. (2000 m)

• Relative Humidity: <95% non-condensing

• Operating Temp: 32°to 122°F (0°to 50°C)

• Storage Temp: 14°to 122°F (-10°to 50°C)

• Accuracy: Values stated at 65° to 83°F (18° to 28°C)

• Temp Coefcient: 0.1 x (Quoted Accuracy) per °C above

28°C or below 18°C, corrections are required when ambient

working temp is outside of Accuracy Temp range

• Dimensions: 8.46" x 3.54" x 1.50" (215 x 90 x 38 mm)

• Weight: 11.04 oz. (313 g) including batteries

• Calibration: Accurate for one year

• Auto Power-Off (APO): After approx. 10 minutes of inactivity

• Standards: IEC EN 61010-1, 61010-2-032, 61010-2-033.

IEC EN 61326-1, 61326-2-2.

Conforms to UL STD.61010-1,

61010-2-032,61010-2-033;

Certified to CSA STD.C22.2 NO. 61010-1,

61010-2-032,61010-2-033.

• Pollution degree: 2

• Accuracy: ± (% of reading + # of least significant digits)

• Drop Protection: 6.6 ft. (2m)

• Safety Rating: CATIII 600V, Class 2, Double insulation

• Electromagnetic Environment: IEC EN 61326-1. This

equipment meets requirements for use in basic and controlled

electromagnetic environments like residential properties,

business premises, and light-industrial locations.

Specifications subject to change.

ENGLISH

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ELECTRICAL SPECIFICATIONS

Function Range Resolution Accuracy

AC Voltage

(V AC)

200.0mV 0.1mV ±(2.5% + 10 digits)

2.000V 1mV

±(2.0% + 5 digits)

20.00V 10mV

200.0V 100mV

600V 1V

DC Voltage

(V DC)

200.0mV 0.1mV ±(1.0% + 8 digits)

2.000V 1mV

±(1.0% + 3 digits)

20.00V 10mV

200.0V 100mV

600V 1V

Input Impedance: 10MΩ

Frequency Range: 45 to 400Hz

Maximum Input: 600V AC RMS or 600V DC

AC Current

(A AC)

2.000A 1mA ±(2.5% + 30 digits)

20.00A 10mA

±(2.0% + 10 digits)200.0A 100mA

400A 1A

Frequency Range: 50 to 60Hz

Resistance

200.0Ω 0.1Ω ±(1.2% + 5 digits)

2.000KΩ 1Ω

±(1.2% + 3 digits)

20.00kΩ 10Ω

200.0kΩ 100Ω

2.000MΩ 1kΩ

20.00MΩ 10kΩ ±(2.0% + 5 digits)

Maximum Input: 600V AC RMS or 600V DC

OTHER MEASUREMENT APPLICATIONS

Maximum Input: 600V DC or 600V AC RMS

•Continuity Check: Audible signal <10Ω, max current 1.5mA

•Sampling Frequency: Approx. 3 samples per second

•Overload: "OL" indicated on display

•Polarity: "-" on display indicates negative polarity

•Display: 3 ½ digit, 2000 Count LCD

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WARNINGS

To ensure safe operation and service of the meter, follow these

instructions. Failure to observe these warnings can result in

severe injury or death.

• Before each use verify meter operation by measuring a known

voltage or current.

• Never use the meter on a circuit with voltages that exceed the

category based rating of this meter.

• Do not use the meter during electrical storms or in wet weather.

• Do not use the meter or test leads if they appear to be damaged.

• Use only with CAT III or CAT IV rated test leads.

• Ensure meter leads are fully seated, and keep fingers away

from the metal probe contacts when making measurements.

• Do not open the meter to replace batteries while the probes

are connected.

• Use caution when working with voltages above 25V AC RMS

or 60V DC. Such voltages pose a shock hazard.

• To avoid false readings that can lead to electrical shock,

replace batteries when a low battery indicator appears.

• Do not attempt to measure resistance or continuity on a live circuit.

• Always adhere to local and national safety codes. Use personal

protective equipment to prevent shock and arc blast injury

where hazardous live conductors are exposed.

SYMBOLS ON METER

AC (Alternating Current) DC (Direct Current)

Resistance (in Ohms) Audible Continuity

Double Insulated Class II Ground

Warning or Caution

Risk of Electrical Shock

VVoltage (Volts) A Amperage (Amps)

COM Common NCV Non-Contact Voltage Tester

Backlight SEL Select

+Positive –Negative

SYMBOLS ON LCD

AC AC (Alternating Current) DC DC (Direct Current)

Negative Reading

Data Hold

Auto Ranging MAX Maximum Value Hold

Low Battery Audible Continuity

Mega (value x 10

)

kilo (value x 10

)

milli (value x 10

-3

)

Volts

Amps Ohms

NCV

Non-Contact Voltage Tester Auto Power-Off

Hazardous Voltage Indicator

ENGLISH

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FEATURE DETAILS

NOTE: There are no user-serviceable parts inside meter.

1. 2000 count LCD display 8. "MAX" (Maximum) button

2. Function selector switch 9. Data Hold button

3. Clamp 10.

Clamp trigger

4. "COM" jack 11. Arrow markings

5. "VΩ" jack 12. NCV Button

6. Backlight button 13. NCV Light

7. "RANGE" button 14. NCV Sensing Antenna

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FUNCTION BUTTONS

ON/OFF

To power ON the meter, rotate the Function Selector switch

from

the OFF setting to any measurement setting. To power OFF the meter,

rotate the Function Selector switch

to the OFF setting. The Auto-

Power Off icon will be visible in the display. By default, the meter

will automatically power OFF after 10 minutes of inactivity. If the meter

automatically powers-OFF while in a measurement setting, press any

button to power the meter ON, or rotate Function Selector

switch

to OFF, then power ON the meter. To deactivate Auto-Power OFF

functionality press and hold the "NCV" button

before powering ON

from the OFF setting. When Auto-Power OFF is deactivated, the Auto-

Power Off icon will not be visible in the display.

BACKLIGHT

Press Backlight button symbol

to turn ON or OFF the backlight.

The backlight does not automatically power OFF.

RANGE

The meter defaults to auto-ranging mode . This mode

automatically determines the most appropriate measurement range

for the testing that is being conducted.

To manually force the meter to

measure in a different range, use the

"RANGE"

button

1. Press the "RANGE" button

to manually select measurement

range ( is deactivated on the LCD). Repeatedly press the

"RANGE" button

to cycle through the available ranges,

stopping once the desired range is reached.

2. To return to auto-ranging mode, press and hold the "RANGE"

button

for more than two seconds ( is reactivated).

MAX

When the "MAX" button

is pressed, the meter keeps track of the

Maximum value as the meter continues to take samples.

1. When measuring, press "MAX" button

to display the

maximum value. If a new maximum occurs, the display

updates with that new value.

2. Press "MAX" button

again to return to normal measuring mode.

DATA HOLD

Press the Data Hold button

to hold the current measurement on

the display. Press again to return to live measuring mode.

NCV

Press and hold the "NCV" button

to enter Non-contact Voltage

Testing (NCV) mode to test for presence of AC voltage.

The NCV

icon and "EF" will be present on the display. Approach the conductor

under test leading with the sensing antenna

. In the presence of

AC voltage, the red NCV light

will illuminate and audible signals

(beeps) will sound.

As the NCV sensing antenna

approaches

the voltage source, the frequency of the audible sound will increase.

Release the "NCV" button to exit NCV testing mode.

NOTE: Only voltages of 40V AC or greater will be detected.

ENGLISH

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OPERATING INSTRUCTIONS

CONNECTING TEST LEADS

Do not test if leads are improperly seated. Results could cause

intermittent display readings. To ensure proper connection, firmly

press leads into the input jack completely.

TESTING IN CAT III MEASUREMENT LOCATIONS

Ensure the test lead shield is pressed firmly in place. Failure to use

the CATIII / CATIV shield increases arc-flash risk.

TESTING IN CAT II MEASUREMENT LOCATIONS

CAT III / CAT IV shields may be removed for CAT II locations. This

will allow testing on recessed conductors such as standard wall

outlets. Take care not to lose the shields.

5/32"

(4 mm)

.7" (18 mm)

INCORRECT

CORRECT

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ENGLISH

OPERATING INSTRUCTIONS

AC CURRENT (LESS THAN 400A)

AC Current is measured by pressing the clamp trigger

to open

the clamp and placing it around a current-carrying wire. When

measuring, care should be taken to ensure that the clamp is

completely closed with trigger

fully released, and that the wire

passes perpendicularly through the center of the clamp in line with

the arrow markings

To measure current:

1. Rotate the Function Selector switch

to the 200/400 A setting.

2. Place clamp around wire. The current measurement will be shown

in the display.

NOTE: If the measurement is less than 20A, rotate the Function

Selector switch

to the 2/20 A setting for improved resolution.

Disconnect test leads when measuring with the clamp.

WIRE

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OPERATING INSTRUCTIONS

AC/DC VOLTAGE (LESS THAN 600V)

1. Insert RED test lead into VΩ jack

, and BLACK test lead into

COM jack

, and rotate function selector switch

to the

DC Voltage or AC Voltage setting. Note "DC" or "AC"

on the display.

2. Apply test leads to the circuit to be tested to measure voltage.

The meter will auto-range to display the measurement in the

most appropriate range.

NOTE: If "–" appears on the LCD, the test leads are being applied to

the circuit in reverse. Swap the position of the leads to correct this.

NOTE: When in a voltage setting and the test leads are open,

readings of order mV may appear on the display. This is noise and

is normal. By touching the test leads together to close the circuit

the meter will measure zero volts.

NOTE: To access mV range for V AC the "RANGE" button

must be used.

NOTE: When voltages in excess of 25V AC or 60V DC are

measured, the Hazardous Voltage Indicator will appear on the

display.

Red leadBlack lead

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ENGLISH

OPERATING INSTRUCTIONS

RESISTANCE MEASUREMENTS

1. Insert RED test lead into VΩ jack

, and BLACK test lead into COM

jack

, and rotate function selector switch

to the Resistance

setting. The resistance symbol will appear on the display.

2. Remove power from circuit.

3. Measure resistance by connecting test leads to circuit. The

meter will auto-range to display the measurement in the most

appropriate range.

NOTE: When in a Resistance setting and the test leads are open

(not connected across a resistor), or when a failed resistor is under

test, the display will indicate O.L. This is normal.

DO NOT attempt to measure resistance on a live circuit.

CONTINUITY

1. Insert RED test lead into VΩ jack

and BLACK test lead into COM

jack

, and rotate function selector switch

to the Continuity

setting.

2. Remove power from circuit.

3. Test for continuity by connecting conductor or circuit with test

leads. If resistance is measured less than 10Ω, an audible signal

will sound and display will show a resistance value indicating

continuity. If circuit is open, display will show "OL".

DO NOT attempt to measure continuity on a live circuit.

Red leadBlack lead

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