Klein Tools ET270 Manuale utente

INSTRUCTION MANUAL

ENGLISH

• AUTO-RANGING

WITH DATA HOLD

• AUDIBLE

CONTINUITY

• BATTERY TEST

• PERFORMS

STANDARD AND

GFCI WIRING

FAULT TESTS

• INDICATES

A CIRCUIT'S

BREAKER IN

FIND MODE

FRANÇAIS p. 25

ESPAÑOL pg. 13

Multi-Tester DMM with

Receptacle Tester

ET270

CAT III

600V

40M

Receptacle Tester

5001748

GENERAL SPECIFICATIONS

Klein Tools' ET270 is an auto-ranging digital multi-tester that measures

AC/DC voltage, resistance, continuity, and performs a battery test. It also

tests wiring conditions in standard 120V and GFCI electrical receptacles

and inspects North American GFCI devices.

• Environment:

Indoor. DO NOT expose to moisture, rain, or snow.

• Operating Altitude: 6562 ft. (2000m)

• Relative Humidity: <80% non-condensing

• Operating Temp: 32°F to 104°F (0°C to 40°C)

• Storage Temp: 14°F to 140°F (-10°C to 60°C)

• Accuracy: Values stated at 65°F to 83°F (18°C 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: 6.41" × 3.13" × 1.84" (162.7 × 79.4 × 46.6 mm)

• Weight: 8.9 oz. (250 g)

• Calibration: Accurate for one year

• Standards: Conforms to: UL STD 61010-1, 61010-2-033, 1436.

Certified to: CSA STD C22.2 # 61010-1,

61010-2-033, 160.

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

• Pollution degree: 2

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

• Drop Protection: 6.6 ft. (2 m)

• Safety Rating: CAT III 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

ELECTRICAL SPECIFICATIONS

VOLTAGE (AUTO-RANGING)

Function Range Resolution Accuracy

AC Voltage

(V AC)

400.0V 100mV ±(1.2% + 5 digits)

600V 1V ±(1.2% + 3 digits)

DC Voltage

(V DC)

4000mV 1mV ±(1.0% + 5 digits)

40.00V 10mV

±(1.0% + 3 digits)400.0V 100mV

600V 1V

Input Impedance: 10MΩ

Frequency Range: 50 to 60Hz

Maximum Input: 600V AC RMS or 600V DC

RESISTANCE (AUTO-RANGING)

Range Resolution Accuracy

400.0Ω 0.1Ω

±(1.0% + 5 digits)

4.000kΩ 1Ω

40.00kΩ 10Ω

400.0kΩ 100Ω

4.000MΩ 1kΩ ±(1.2% + 5 digits)

40.00MΩ 10kΩ ±(3.0% + 5 digits)

Maximum Input: 600V DC or 600V AC RMS

BATTERY TEST

Voltage Resolution Accuracy

9V 10mV ±(1.0% + 5 digits)

1.5V 1mV

Test Current: 9V (11~22.5mA), 1.5V (8~18mA)

OUTLET* TEST

Voltage Resolution Accuracy

30V AC - 150 V AC 1V ±(2.0% + 2 digits)

*NOTE: For North American, 120V, 50-60Hz, 3-wire receptacles only.

• Continuity Check: Audible signal <10Ω

• Sampling Frequency: 3 samples per second

• Overload: "OL" indicated on display, overload protection

600V RMS in all settings

• Polarity: "-" on display indicates negative polarity

• Display: 3-3/4 digit, 4000 Count LCD

FEATURE DETAILS - TESTER

1. 4000 Count LCD Display 7. "RANGE"/"FIND" Button

2. Function Selector Switch 8. "MAX/MIN" Button

3. Receptacle Jack 9. "HOLD" (Data Hold) Button

4. "COM" Jack 10. "GFCI" Button

5. "+V Ω" Jack 11. Indicator LED

6. Clear/Backlight ON/OFF Button 12. Receptacle Test Cord

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

9 6

7 8

10 11

SYMBOLS ON TESTER

V Voltage (Volts) Warning or Caution

To ensure safe operation and

service of this tester, follow

all warnings and instructions

detailed in this manual.

AC Voltage

DC Voltage

Positive (DC Voltage)

Receptacle Test

Risk of Electrical Shock

Improper use of this tester

can lead to risk of electrical

shock. Follow all warnings and

instructions detailed in this

manual.

Resistance (in Ohms)

BATT

Battery Test

Audible Continuity

Double Insulated Class II

Ground Read instructions

ENGLISH

FEATURE DETAILS - LCD

WIRING CONDITIONS

AAuto Power-Off Indicator

BData Hold Indicator

CAutomatic Ranging Indicator

DGFCI Indicator

EBattery Test Indicator

FMaximum Value Indicator

GMinimum Value Indicator

HAudible Continuity Indicator

ILow Battery Indicator

JGreater Than / Less Than

Indicators

KNegative Polarity Indicator

LAC Voltage Indicator

O S U

Q R T V

C D E F G H

LCD WILL DISPLAY

VOLTAGE*

"CORRECT"

"OPEN GRD"

"OPEN NEU"

"OPEN HOT"

"REV HOT GRD"

"REV HOT NEU"

"OPEN GRD NEU"

LINE VOLTAGE

NO VOLTAGE

>30V VOLTAGE

WIRING CONDITION

WIRED CORRECTLY

OPEN GROUND

OPEN NEUTRAL

OPEN HOT

DUAL OPEN (NEUTRAL & GROUND)

REVERSED HOT/GROUND

REVERSED HOT/NEUTRAL

Hot

(Black)

Ground (Green)

Neutral

(White)

*Expected voltage reading on LCD based on the indicated wiring condition.

MDC Voltage Indicator

NHazardous Voltage Warning Indicator

OCorrect Wiring Indicator

POpen Circuit Indicator

QReversed Polarity Indicator

RHot Conductor Indicator

SSeconds Indicator

TGround Conductor Indicator

UMegaohms / Kiloohms Indicator

VNeutral Conductor Indicator

WVolts / Millivolts Indicator

XMeasurement

ENGLISH

WARNINGS

To ensure safe operation and service of the tester, 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.

• Verify receptacle tester operation by testing on a known live and correctly

wired electrical outlet.

• Never use the tester on a circuit with voltages that exceed the category based

rating of this tester.

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

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

• Probe assemblies to be used for MAINS measurements shall meet IEC/EN

61010-031 with a voltage RATING of CAT III 600V or better.

• Ensure tester leads or Receptacle Test Cord

are fully seated, and keep

fingers away from the metal probe contacts when making measurements.

• Do not open the tester 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 when performing a receptacle test* that can lead to

electrical shock:

• Replace batteries when a low battery indicator appears.

• All appliances or equipment on the circuit being tested should be

disconnected.

• Turn off or move away from equipment which cause electromagnetic

interference.

• Hold the body of the tester with a bare hand.

• Stand on or connect to earth ground.

• Perform test in an environment where air humidity is nominal (50%

relative humidity).

• Hold the tester still.

• 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.

• The ET270 Receptacle Test Cord

is designed for use with North American

3-wire grounded 120V electrical outlets. DO NOT connect to higher voltage

electrical supplies.

• The tester is intended for indoor use only.

• This receptacle tester operation only detects common wiring problems.

ALWAYS consult a qualified electrician to resolve wiring problems. The device:

• Will not indicate quality of ground.

• Will not indicate two hot wires in a circuit.

• Will not detect a combination of multiple wiring faults.

• Will not indicate reversed ground and neutral.

• DO NOT attempt GFCI ground fault testing on an incorrectly wired circuit.

Consult a qualified electrician to resolve wiring problems.

*One of the limitations of a receptacle tester is that it relies on the externally closed circuit between the

“Power-In” and the Neutral and/or Ground conductor to function. Because of this, the tester may give

a false indication of “no voltage present” or "Open Hot" if the “Power-In” wire is energized and the

Neutral and Ground conductors are both open (dual open wiring fault). Proper procedure in this case

is to check the circuit with a multimeter to verify the finding indicated by the tester.

FUNCTION BUTTONS

ON/OFF

To Power ON the tester, rotate the Function Selector switch

from

the OFF setting to any measurement setting. To Power OFF the tester,

rotate the Function Selector switch

to the OFF setting. By default,

the tester will automatically Power OFF after 15 minutes of inactivity.

Reactivate tester by pressing any button. To deactivate the automatic

Power OFF feature, power the tester ON with the "HOLD" button

depressed. When automatic Power OFF is deactivated, the

symbol will not be visible in the display.

"HOLD" (DATA HOLD) BUTTON

Press the "HOLD" button to hold the measurement on the display.

Press again to release the display and return to live measuring.

Also used to deactivate auto Power OFF feature (see ON/OFF

section above).

"RANGE" BUTTON

The tester defaults to auto-ranging measurement mode . This

automatically determines the most appropriate measurement range

for the testing that is being conducted. To manually force the tester

to measure in a different range, use the "RANGE" button:

1. Press 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 for more than one

second ( is reactivated).

"MAX/MIN" BUTTON

When the "MAX/MIN" button is pressed, the tester keeps track

of the minimum and maximum value of the measurement as the

tester continues to take samples. The first press displays the Max

value, the second press displays the Min value. To return to normal

measuring mode, press and hold for more than one second.

"CLEAR"/BACKLIGHT BUTTON

• Press the "CLEAR"/Backlight button to exit hold mode; this will

reset the LCD

to display " "

, OPEN

, and HOT

when not connected to a circuit.

• Press and hold for more than one second to turn the LCD

backlight on or off. The backlight automatically turns off after

approximately 3 minutes.

"GFCI" BUTTON

To initiate an electrical fault press the "GFCI" button with the

Receptacle Test Cord

inserted into the front jacks of the tester

. The tester will create a 6mA to 9mA ground fault to trip the

GFCI device. See GFCI TEST section in OPERATING INSTRUCTIONS

for more information.

ENGLISH

INCORRECT

CORRECT

AC/DC VOLTAGE (LESS THAN 600V)

1. Insert RED test lead into +V Ω

jack

, and BLACK test lead into

COM jack

, and rotate Function

Selector Switch

to the Vor

Vsetting.

2. Apply test leads to the circuit to

measure voltage. The tester will

auto-range to display the measurement

in the most appropriate range.

OTE: If the Negative Polarity Indicator

appears on the LCD, the test leads

are being applied to the circuit in reverse

polarity. 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 tester will

measure zero volts.

NOTE: The Hazardous Voltage Warning

Indicator

will appear for voltages

above 25V.

Red leadBlack lead

-OR-

TESTING IN CAT III / CAT IV MEASUREMENT LOCATIONS

Ensure the test lead shield

is pressed firmly in place.

Failure to use the CAT III /

CAT IV shield increases

arc-flash risk.

5/32"

(4 mm)

5/32"

(4 mm)

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.

OPERATING INSTRUCTIONS

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

receptacles. Take care not to lose the shields.

CONTINUITY

1. Insert RED test lead into +V

Ωjack

, and BLACK test lead

into COM jack

, and rotate

Function Selector Switch

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 " ".

RESISTANCE MEASUREMENTS

1. Insert RED test lead into V Ω

jack

, and BLACK test lead

into COM jack

, and rotate

Function Selector Switch

to the

Resistance setting.

2. Remove power from circuit.

3. Measure resistance by connecting test

leads to circuit. The tester 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 LCD

will

indicate

"".

This is normal.

DO NOT attempt to measure resistance on a live circuit.

Red leadBlack lead

OPERATING INSTRUCTIONS

DO NOT attempt to measure

continuity on a live circuit.

BATTERY TEST

1. Insert RED test lead into +VΩ

jack

and BLACK test lead into

COM jack

, and rotate Function

Selector Switch

to the 1.5V or

9V BATT setting.

2. Connect BLACK lead to negative,

and RED lead to positive terminal

of battery.

3. The voltage

measured

will display

on the LCD

. Batteries

in good

condition

should be

within approx. 10% of rated voltage.

Red leadBlack lead

-OR-

ENGLISH

OPERATING INSTRUCTIONS

RECEPTACLE TEST

ET270 Receptacle test is designed for use with North American

3-wire, grounded 120V electrical outlets. DO NOT connect to

higher voltage electrical supplies.

Prior to use, always verify tester operation by testing on a

known live and correctly wired electrical circuit.

1.With the Receptacle Test Cord

inserted into the front jacks of

the tester

, rotate Function Selector Switch

to the

Receptacle Test setting. When the tester is powered on, and

not connected to a circuit the LCD

will display " "

OPEN

, and HOT

. On powerup, the display will flash

" " three times, indicating that the Receptacle Test Cord

should be used rather than test leads.

2.With the tester powered ON and inserted into the receptacle to be

tested, the Indicator LED

will illuminate either red or green:

• If the Indicator LED

illuminates red, the circuit is not wired

correctly and/or the voltage is not between 85V AC and 135V AC.

Note the voltage

and wiring fault(s)

indicated (see table in WIRING CONDITIONS section). When the

receptacle is de-energized or the tester is unplugged, the tester

holds the information on the LCD and the Data Hold Indicator

will illuminate. During this time, the Indicator LED

will blink. If

no voltage is detected, the LCD will reset after approximately 10

seconds. If the tester is plugged into another circuit, the LCD will

update to show the voltage and wiring condition of that circuit.

If the tester indicates that the circuit is not wired correctly,

consult a qualied electrician.

• If the Indicator LED

illuminates green, the circuit is wired

correctly, and the voltage is between 85V AC and 135V AC.

NOTE:

The Hazardous Voltage Indicator

will appear if the detected

voltage is above 25V AC.

Indice

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