Klein Tools CL390 Manual de usuario

INSTRUCTION MANUAL

ENGLISH

400A AC/DC Auto-Ranging

Digital Clamp Meter

True RMS

Measurement

Technology

600V

400A

40M

• AC/DC CURRENT

• HIGH VISIBILITY

DISPLAY

• NON-CONTACT

VOLTAGE TESTING

• DC MICRO-AMPS

• AUTO-RANGING

• DATA & RANGE HOLD

• TEMPERATURE

CL390

-40° –

1832°F

-40° –

1000°C

5001748

400A AC/DC Auto-Ranging

Digital Clamp Meter

True RMS

Measurement

AC/DC CURRENT

HIGH VISIBILITY

VOLTAGE TESTING

DC MICRO-AMPS

AUTO-RANGING

DATA & RANGE HOLD

Digital Clamp Meter

True RMS

Measurement

VOLTAGE TESTING

DATA & RANGE HOLD

CAT III

600V

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GENERAL SPECIFICATIONS

Klein Tools CL390 is an automatically ranging true root mean

square (TRMS) digital clamp meter that measures AC/DC current

via the clamp, AC/DC voltage, DC microamps, resistance, continuity,

frequency, capacitance, tests diodes via test-leads, and temperature

via a thermocouple probe. It features a high visibility, reverse contrast

LCD display that optimizes viewability both in dark or bright ambient

lighting.

• Operating Altitude: 6562 ft. (2000m)

• 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: 10.26 oz. (291 g) including batteries

• Calibration: Accurate for one year

• Auto Power-Off (APO): After approx. 5 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

CAT III: Measurement category III is applicable to test and

measuring circuits connected to the distribution part of the

building’s low-voltage MAINS installation.

• 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)

400.0mV 0.1mV ±(1.8% + 5 digits)

4.000V 0.001V ±(1.5% + 5 digits)

40.00V 0.01V ±(1.2% + 5 digits)

400.0V 0.1V

600V 1V ±(1.5% + 5 digits)

DC Voltage

(V DC)

400.0mV 0.1mV ±(1.0% + 8 digits)

4.000V 0.001V

±(0.8% + 3 digits)40.00V 0.01V

400.0V 0.1V

600V 1V ±(1.0% + 3 digits)

Input Impedance: ~10MΩ

Frequency Range: 45 to 400Hz

Maximum Input: 600V AC RMS or 600V DC

AC Current

(A AC)

40.00A 0.01A ±(2.0% + 9 digits)

400.0A 0.1A

DC Current

(A DC)

40.00A 0.01A ±(2.0% + 9 digits)

400.0A 0.1A

Frequency Range: 50 to 60Hz

Minimum Current Measurable: 0.3A AC or DC

Microamps

(DC µ) 200µA 0.1µA ±(1.0% + 5 digits)

Maximum Input: 600V AC RMS or 600V DC

Resistance

400.0Ω 0.1Ω ±(1.2% + 5 digits)

4.000kΩ 0.001kΩ

±(1.2% + 3 digits)

40.00kΩ 0.01kΩ

400.0kΩ 0.1kΩ

4.000MΩ 0.001MΩ

40.00MΩ 0.01MΩ ±(2.0% + 5 digits)

Maximum Input: 600V AC RMS or 600V DC

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OTHER MEASUREMENT APPLICATIONS

Maximum Input: 600V AC RMS or 600V DC

•Diode Test: Approx. 1mA, open circuit voltage ~3.0V DC

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

•Sampling Frequency: 3 samples per second

•Auto Power off: After ~5 minutes of inactivity.

•Over Limit: "OL" indicated on display

•Polarity: "-" on display indicates negative polarity

•Display: 3-3/4 digit, 4000 Count LCD

ELECTRICAL SPECIFICATIONS

Function Range Resolution Accuracy

Capacitance

40.00nF 0.01nF ±(4% + 25 digits)

400.0nF 0.1nF

±(4% + 8 digits)

4.000μF 0.001μF

40.00μF 0.01μF

400.0μF 0.1μF

4.000mF 0.001mF ±(5% + 9 digits)

Maximum Input: 600V AC RMS or 600V DC

Temperature

°F

-40° to 10°F

°F

±(1.2% + 7 digits)

11° to 1832°F

±(1.2% + 6 digits)

Temperature

°C

-40° to -12°C

°C

±(1.2% + 4 digits)

-11° to 1000°C

±(1.2% + 3 digits)

Maximum Input: 600V AC RMS or 600V DC

Frequency 10Hz to

60kHz

0.001Hz

to 0.01kHz ±(0.1% + 5 digits)

Duty Cycle

0.1% to 99.9%

≤1000kHz

0.1% ±1.5%

(Range: 10% – 90%)

Maximum Input: 600V AC RMS or 600V DC

Voltage Range: 8V to 240V AC RMS

Pulse Width: >0.1ms, must be zero-crossing signal.

ENGLISH

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.

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WARNINGS

•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 test leads are fully seated into jacks, and keep fingers away

from the metal probe contacts when making measurements.

•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.

•To avoid risk of electric shock, disconnect leads from any voltage

source before removing battery door.

•To avoid risk of electric shock, do not operate meter while

battery door is removed

SYMBOLS ON METER

AC/DC Current Resistance (in Ohms)

NCV

Non-Contact Voltage tester Audible Continuity

Double Insulated Class II

μA

DC Microamps

Warning or Caution Risk of Electrical Shock

Diode Capacitance

Frequency

Duty-cycle

V Voltage (Volts) A Amperage (Amps)

Temperature (Fahrenheit / Celsius)

SEL

Select

Positive

–

Negative

COM

Common Ground

Backlight Brightness

OFF

Power Off

SYMBOLS ON LCD

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

Negative Reading Data Hold

Auto Ranging MAX Maximum Value Hold

Farrads Diode

NCV

Non-Contact Voltage Tester Auto Power Off

Low Battery Audible Continuity

Degrees (Fahrenheit)

Degrees (Celsius)

Mega (value x 10

)

kilo (value x 10

)

milli (value x 10

-3

)

micro (value x 10

-6

)

nano (value x 10

-9

)

Volts

Amps Ohms

Hz%

Frequency/Duty Cycle

ZERO

DC Current Zero Function

Hazardous Voltage Indicator Relative Mode

MIN Minimum Value Hold MAX Maximum Value Hold

MAX-MIN

Difference between MAX and MIN values

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FEATURE DETAILS

ENGLISH

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

4000 count LCD display

"REL/ZERO" button

Function selector switch

HOLD/Brightness button

Clamp

10.

Clamp trigger

"COM" jack

11.

Arrow markings

"VΩµA" jack

12.

"SEL/NCV" button

"RANGE" button

13.

NCV Light

"MAX/MIN" 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 5 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 "SEL/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.

SEL / NCV BUTTON (FOR SECONDARY FUNCTIONS)

Pushing the SEL/NCV button

activates the secondary function

for each application accessible by the function selector switch

For voltage and current (excluding DC uA), it toggles between AC

and DC. For the other functions, it switches between °F and °C,

between Hz and % Duty-cycle, and between Continuity, Resistance,

Capacitance and Diode-Test. The default function for each application

is printed on the meter in white; the secondary function or functions

for each setting is printed on the meter in orange.

SEL / NCV BUTTON (FOR NCV TESTING)

Press and hold the SEL/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 flash, audible signals (beeps) will

sound, and dashes will appear on the display.

As the NCV sensing

antenna

approaches the voltage source, more dashes will be

presented on the display and the frequency of the audible sound will

increase. Release the SEL/NCV button to exit NCV testing mode

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

BACKLIGHT BRIGHTNESS

Press and hold the HOLD/Brightness button

to toggle between

high and low brightness for the backlight. By default, the meter will

use the low brightness setting.

RANGE

The meter defaults to auto-ranging mode for voltage and resistance

measurements. This mode automatically determines the most

appropriate measurement range for the testing that is being conducted.

The icon will be visible in the display. 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).

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MAX/MIN

The "MAX/MIN" function can be used when measuring with voltage,

current, resistance, temperature, and DC μA functions. When the

"MAX/MIN" button

is pressed, the meter keeps track of the

Maximum and Minimum values, and the difference between the

Maximum and Minimum values while continuing to take samples.

1. When measuring, press "MAX/MIN" button

to toggle between

the Maximum value (MAX), the Minimum value (MIN), and the

difference between Maximum and Minimum (MAX-MIN) values.

MAX

", "

MIN

", or "

MAX-MIN

" will appear on the display, indicating

the value being shown. If a new maximum or minimum occurs the

display updates with that new value.

2. Press "MAX/MIN" button

for more than two seconds to return

to normal measuring mode.

RELATIVE MODE

REL Measurement: Press REL/ZERO

to initiate measurement

relative to the current reading. The REL icon will be present on

the display. Subsequent measurements are displayed relative to

the original measurement. (Applies to AC/DC Voltage, AC Current,

Capacitance, DC μA, and Temperature). Press REL/ZERO

again to

exit relative mode.

DC ZERO Function: When measuring DC current with the clamp,

press REL/ZERO to activate the DC current zero function. This will set

the display to zero by subtracting the current value as an offset. The

ZERO icon will be present on the display. Press REL/ZERO

again

to exit DC current zero mode.

FUNCTION BUTTONS

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/DC 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 400A setting.

2. Place clamp around wire. The current

measurement will be shown in the display.

NOTE: The meter defaults to AC measurement. Press the SEL/NCV

button to toggle between AC and DC modes. The AC or DC icon on

the display indicates which mode is selected.

NOTE: If the measurement is less than 40A, rotate the Function

Selector switch

to the 4/40A setting for improved resolution.

NOTE: If non-zero values are displayed prior to measuring in DC

current mode, a DC zero offset correction is required. With meter in

DC current mode, press the REL/ZERO button

to activate the DC

current ZERO function.

ZERO

icon will be present on the display.

Subsequent DC current measurements automatically subtract the

offset correction for improved accuracy. Press REL/ZERO button

to return to normal measuring mode.

NOTE: Do not use DC current function if the Magnetic Hanger

accessory is attached to the back of the meter. Interferences from the

magnet can lead to inaccurate measurements.

Disconnect test leads when measuring with the clamp.

WIRE

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