Klein Tools CL312 Manual de usuario

INSTRUCTION MANUAL

ENGLISH

CL312

FRANÇAIS pg. 37

ESPAÑOL pg. 19

400A AC Auto-Ranging

Digital Clamp Meter

INSTRUCTION MANUAL

400A AC Auto-Ranging

Digital Clamp Meter

True RMS

Measurement

Technology

600V

400A

40M

• AUTO-RANGING

• DATA HOLD

• RANGE HOLD

• TEMPERATURE

• AUDIBLE CONTINUITY

2 3

GENERAL SPECIFICATIONS

Klein Tools CL312 is an automatically ranging true root mean square

(TRMS) digital clamp meter that measures AC current via the clamp,

AC/DC voltage, DC microamps, resistance, continuity, frequency,

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

thermocouple probe.

• 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: 8.66" x 3.03" x 1.61" (220 x 77 x 41 mm)

• Weight: 9.88 oz. (280 g) including batteries

• Calibration: Accurate for one year

• Standards: Conforms to: UL 61010-1, UL 61010-2-032,

UL 61010-2-033.

Certified to: CAN/CSA C22.2 NO. 61010-1,

61010-2-032, 61010-2-033, IEC EN 61010-1,

61010-2-032, 61010-2-033, IEC EN 61326-1.

• Pollution degree: 2

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

• Drop Protection: 3.3 ft. (1m)

• 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.

ELECTRICAL SPECIFICATIONS

Function Range Resolution Accuracy

AC Voltage

(V AC)

400.0mV 0.1mV ±(1.8% + 5 digits)

4.000V 1mV ±(1.5% + 5 digits)

40.00V 10mV ±(1.2% + 5 digits)

400.0V 100mV

600V 1V ±(1.5% + 5 digits)

DC Voltage

(V DC)

400.0mV 0.1mV ±(1.0% + 8 digits)

4.000V 1mV

±(0.8% + 3 digits)40.00V 10mV

400.0V 100mV

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)

4.000A 1mA ±(2.5% + 30 digits)

40.00A 10mA ±(2.5% + 10 digits)

400.0A 100mA ±(2.0% + 10 digits)

Frequency Range: 50 to 60Hz

DC Microamps

(µA DC) 200 μA 0.1 μA ±(1.0% + 5 digits)

Maximum Input: 600V AC RMS or 600V DC

Resistance

400.0Ω 0.1Ω ±(1.2% + 5 digits)

4.000KΩ 1Ω

±(1.2% + 3 digits)

40.00kΩ 10Ω

400.0kΩ 100Ω

4.000MΩ 1kΩ

40.00MΩ 10kΩ ±(2.0% + 5 digits)

Maximum Input: 600V AC RMS or 600V DC

ENGLISH

4 5

OTHER MEASUREMENT APPLICATIONS

Maximum Input: 600V DC or 600V AC RMS

• 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 ~15 minutes of inactivity.

• Overload: "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 0.010nF ±(4% + 25 digits)

400.0nF 0.100nF

±(4% + 8 digits)

4.000μF 0.001μF

40.00μF 0.010μF

400.0μF 0.100μF

4.000mF 0.001mF ±(10% + 9 digits)

Maximum Input: 600V AC RMS or 600V DC

Temperature

°F

-40°F to 104°F

°F

±(2.0% + 8 digits)

105°F to 932°F

±(1.6% + 5 digits)

933°F to 1832°F

±(2.0% + 4 digits)

Temperature

°C

-40°C to 40°C

°C

±(2.0% + 4 digits)

41°C to 500°C

±(1.5% + 3 digits)

501°C to 1000°C

±(1.5% + 2 digits)

Maximum Input: 600V AC RMS or 600V DC

Frequency 10Hz to

1MHz 0.001Hz

to 1kHz ±(0.1% + 5 digits)

Duty Cycle

0.1% to 99.9%

(≤100kHz)

0.01% ±1.5%

(Range: 10% – 90%)

Maximum Input: 600V AC RMS or 600V DC

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.

• 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.

• 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 (Alternating Current)

AC/DC Current

DC (Direct Current) Resistance (in Ohms)

Double Insulated Class II Audible Continuity

Warning or Caution Ground

Diode Risk of Electrical Shock

Frequency Capacitance

Duty-cycle V Voltage (Volts)

Temperature (Fahrenheit / Celsius) A Amperage (Amps)

SYMBOLS ON LCD

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

Negative Reading Data Hold

Auto Ranging MAX Maximum Value Hold

MIN Minimum Value Hold 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

6 7

FEATURE DETAILS

ENGLISH

1. 4000 count LCD display 7. "RANGE" button

2. Function selector switch 8. "MAX/MIN" button

3. Clamp 9. Data Hold button

4. "COM" jack 10.

Clamp trigger (press to open clamp)

5. "VΩ" jack 11. Arrow markings

6. Backlight button 12. "SELECT" button

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. By default,

the meter will automatically power OFF after 15 minutes of inactivity.

If the meter automatically powers-OFF while in a measurement

setting, rotate Function Selector

switch to any other setting

(excluding the OFF setting) to power ON the meter. To deactivate

the power OFF functionality press and hold the "SELECT" 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.

"SELECT" BUTTON (FOR SECONDARY FUNCTIONS)

The "SELECT" button

activates the secondary function for each

application accessible by the function selector switch

. For voltage,

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.

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 one second ( is reactivated).

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

8 9

MAX/MIN

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 as the meter continues 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.

If a new maximum or minimum occurs the display updates with

that new value.

2. Press "MAX/MIN" button

for more than one second to return to

normal measuring mode.

DATA HOLD

Press HOLD

to hold the measurement on the display. Press

HOLD

again to release the display to return to live measuring.

FUNCTION BUTTONS

ENGLISH

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 / CAT IV 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

10 11

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 400 A setting.

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

in the display.

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

Selector switch

to the 4/40 A setting for improved resolution. If

the measurement is less than 4A, the meter will auto-range to the 4A

range.

Disconnect test leads when measuring with the clamp.

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

Vsetting for AC or DC measurements. The meter defaults to

AC measurement. To measure DC, press the "SELECT" button

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

the LCD indicates which mode is selected. Note "AC" or "DC" on

the display.

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.

Red leadBlack lead

ENGLISH

WIRE

12 13

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

Continuity/Resistance/Capacitance/Diode-Test setting.

NOTE: The meter defaults to Continuity testing in this mode. Press

the "SELECT" button

once to enter Resistance testing mode. The

Resistance icon 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.

ENGLISH

CONTINUITY

1. Insert RED test lead into VΩ jack

, and BLACK test lead into

COM jack

, and rotate function selector switch

to the

Continuity/Resistance/Capacitance/Diode-Test setting.

NOTE: The meter defaults to Continuity testing in this mode. Ensure

that the Continuity Testing icon is visible on the display. If not,

press the "SELECT" button

repeatedly until the icon is shown.

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".

µA DC CURENT (LESS THAN 200 µA)

1. Insert RED test lead into VΩ jack

, and BLACK test lead into

COM jack

, and rotate function selector switch

to the

setting.

2. Remove power from circuit and open circuit at measurement point.

3. Connect test leads in series with the circuit.

4. Apply power to the circuit to take the measurement.

DO NOT attempt to measure continuity on a live circuit.

OPERATING INSTRUCTIONS

DO NOT attempt to measure more than 200 µA.

Red leadBlack lead

14 15

OPERATING INSTRUCTIONS

DIODE TEST

1. Insert RED test lead into VΩ jack

, and BLACK test lead into

COM jack

, and rotate function selector switch

to the

Continuity/Resistance/Capacitance/Diode-Test setting.

NOTE: The meter defaults to Continuity testing in this mode. Press

the "SELECT" button

three times to enter Diode testing mode.

The Diode icon will appear on the display.

2. Touch test leads to diode. A reading of 200-800mV on display

indicates forward bias, "OL" indicates reverse bias. An open

device will show "OL" in both polarities. A shorted device will

show approximately 0mV.

ENGLISH

FREQUENCY / DUTY-CYCLE

1. Insert RED test lead into VΩ jack

and BLACK test lead into

COM jack

, and rotate function selector switch

to the

Frequency/Duty-Cycle setting.

NOTE: The meter defaults to Frequency testing in this mode. To enter

Duty-Cycle testing mode, press the "SELECT" button

once. Ensure

that the appropriate icon (either

) appears on the display.

2. Measure by connecting test leads across the circuit.

CAPACITANCE

1. Insert RED test lead into VΩ jack

, and BLACK test lead into

COM jack

, and rotate function selector switch

to the

Continuity/Resistance/Capacitance/Diode-Test setting.

NOTE: The meter defaults to Continuity testing in this mode. Press

the "SELECT" button

twice to enter Capacitance testing mode.

The Capacitance icon will appear on the display. The meter

should read 0 nF with test leads open.

2. Remove power from circuit.

3. Measure capacitance by connecting test leads across the

capacitor. The meter will auto-range to display the measurement

in the most appropriate range.

OPERATING INSTRUCTIONS

Red leadBlack lead

16 17

MAINTENANCE

BATTERY REPLACEMENT

When indicator is displayed on LCD, batteries must be replaced.

1. Loosen screw on battery door.

2. Replace 3 x AAA batteries (note proper polarity).

3. Replace battery door and fasten securely with screw.

o 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.

ENGLISH

OPERATING INSTRUCTIONS

TEMPERATURE

1. Insert K-type thermocouple into the VΩ

and COM

jacks

(observe polarity markings on thermocouple and meter), and rotate

function selector switch

to the Temperature setting.

NOTE: The meter defaults to Fahrenheit scale in this mode. To enter

Celsius scale, press the "SELECT" button

once. Ensure that the

appropriate icon (either

°F

°C

) appears on the display.

2. To measure temperature, make contact between the

thermocouple tip and the object being measured. When

thermocouple tip and object are in thermal equilibrium, the

measurement on the display will stabilize. The meter will auto-

range to display the measurement in the most appropriate range.

Remove thermocouple before switching meter to other

measurement functions.

The thermocouple included with the original purchase is

suitable for temperatures below 446°F / 230°C only.

To measure higher temperatures, a K-type thermocouple

with the appropriate measurement range should be used.

K-Type

Thermocouple

ENGLISH

CLEANING

Be sure meter is turned off and wipe with a clean, dry lint-free

cloth.

Do not use abrasive cleaners or solvents.

STORAGE

Remove the batteries when meter is not in use for a prolonged

period of time. Do not expose to high temperatures or

humidity. After a period of storage in extreme conditions

exceeding the limits mentioned in the General Specifications

section, allow the meter to return to normal operating

conditions before using.

WARRANTY

www.kleintools.com/warranty

DISPOSAL /RECYCLE

Do not place equipment and its accessories in the trash.

Items must be properly disposed of in accordance with local

regulations. Please see www.epa.gov or www.erecycle.org

for additional information.

CUSTOMER SERVICE

KLEINTOOLS, INC.

450Bond Street

Lincolnshire, IL60069

1877775-5346

[email protected]

www.kleintools.com

CL312

ESPAÑOL

MANUAL DE INSTRUCCIONES

Multímetro digital de gancho

de rango automático de

400A CA

True RMS

Tecnología de medición

600 V

400 A

40 M

• RANGO AUTOMÁTICO

• RETENCIÓN DE DATOS

• RETENCIÓN DE

RANGO

• TEMPERATURA

• CONTINUIDAD POR

INDICADOR AUDIBLE

MANUAL DE INSTRUCCIONES

Multímetro digital de gancho

de rango automático de

Tecnología de medición

RANGO AUTOMÁTICO

RETENCIÓN DE DATOS

INDICADOR AUDIBLE

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