Klein Tools ET50 User manual

ENGLISH

Instruction

Manual

www.kleintools.com

For Professionals...Since 1857

ET50

•

AC /DC

VOLTAGE

TO 600V

•

POSITIVE AND

NEGATIVE DC

POLARITY

•

LIGHT AND VIBRATION INDICATORS

•

CAT IV 600V SAFETY RATING

•

MODERN SOLID-STATE DESIGN

ENGLISH

ET50

Instruction Manual

GENERAL SPECIFICATIONS

The Klein Tools ET50 is a solid-state electrical tester. It measures AC/DC

voltage to 600V.

•

Voltage Level Indicators:

120, 220, 480, 600

•

Voltage Type Indicators:

DC Positive, DC Negative, AC

•

AC Frequency:

45Hz to 66Hz

•

Maximum Voltage To Earth Ground:

600V RMS

•

Maximum Measurable Voltage:

600V RMS (displayed by LEDs)

•

Input Impedance:

15k

Ω

on connection, up to 150k

Ω

steady-state.

•

Usage Duty Cycle (Above 220V):

1 minute on, 5 minutes off

•

Accuracy:

70% to 100% of indicated voltage

•

Battery Type:

3 x AAA

•

Operating Altitude:

2000m

•

Relative Humidity:

0°C to 30°C (32°F to 86°F) 90%

30°C to 40°C (86°F to 104°F) 75%

40°C to 55°C (104°F to 131°F) 45%

•

Operating Temperature:

0°C to 55°C (32°F to 131°F)

•

Storage Temperature:

0°C to 55°C (32°F to 131°F)

•

Dimensions:

7.375 x 2.375 x 1.25”

•

Weight:

8.5oz.

•

Safety:

CSA C22.2-1010.1, IEC 61010-1, Pollution Degree II

•

CAT rating:

CAT IV 600V, CAT III 1000V

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.

•

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.

•

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 to a voltage source.

•

Use caution when working with voltages above 60V DC,

or 25V AC RMS. Such voltages pose a shock hazard.

•

Always adhere to local and national safety codes. Use individual

protective equipment to prevent shock and arc blast injury where

hazardous live conductors are exposed.

FEATURE DETAILS

Indicators

Lights

•

LEDs light up numerical voltage level indicators,

as well as DC

, DC

–

, or both (AC) indicators.

•

Voltage detection will function without batteries installed.

Vibration

•

Instrument will vibrate in the presence of voltage

measurements that activate the 120V LED.

•

Vibration will function only with batteries installed.

Accuracy

Accuracy of indicator lights is 70% to 100% of the voltage displayed

to account for normal variations in supply voltage.

Voltage-type indicator LEDs (DC, AC) illuminate at around 12V.

Ghost Voltages

The approximate input resistance of 15k

Ω

will reduce the possibility of

false readings due to ghost voltages on de-energized lines.

Lead Spacing

Molded lead holders on the back of the ET50 are spaced correctly

to test tamper-resistant outlets.

SYMBOLS

Positive DC Voltage Warning or Caution

–

Negative DC Voltage Dangerous levels

AC Voltage Double Insulated Class II

Earth Ground ETL Certiﬁcation

This product has been tested to the requirements of

CAN/CSA-C22.2 No. 61010-1, second edition, including

Amendment 1, or a later version of the same standard

incorporating the same level of testing requirements

CAT III CAT IV

Designed for transient protection

on indoor measurements at

installations connected directly

to the primary source. Examples

include distribution panels and

lighting systems in large buildings.

Designed for transient protection

on outdoor measurements taken

at the primary supply voltage

source. Examples include outdoor

overhead or underground utility

service and electricity meter.

OPERATING INSTRUCTIONS

Measuring Voltages

Time spent operational at voltages above 220V must be less than

60 seconds, with a cool-off time of at least 5 minutes.

600

480

220

120

Tester will turn on automatically when voltage is applied.

AC Voltage Measurement

ENGLISH

GFCI Testing

Check the GFCI Receptacle user manual for more information.

Always contact a qualiﬁed electrician to resolve wiring problems.

Operate the Push Button on the GFCI Receptacle. If the GFCI circuit

does not trip, the receptacle is not operating properly.

To test the functionality of a Ground Fault Circuit Interrupter receptacle,

apply leads to the hot and ground terminals for 7 seconds.

•

If the GFCI receptacle is wired properly, power to the circuit

will go out and the ET50 will stop indicating voltage.

•

If the GFCI receptacle is wired improperly, power to the circuit

will remain and the ET50 will continue to indicate voltage.

To resolve an issue, contact a qualiﬁed electrician.

Battery Replacement

Batteries are not required for visual voltage indication.

Remove test leads from voltage source.

Unscrew battery cover and replace 3xAAA batteries.

CUSTOMER SERVICE

KLEIN TOOLS, INC.

450 Bond Street

Lincolnshire, IL 60069

1-800-553-4676

www.kleintools.com



WARRANTY

This product is warranted to be free from defects in materials and workmanship

for a period of two years from the date of purchase. During this warranty period,

Klein Tools has the option to repair or replace or refund the purchase price of

any unit which fails to conform to this warranty under normal use and service.

This warranty does not cover damage which occurs in shipment or failure which

results from alteration, tampering, accident, misuse, abuse, neglect, or improper

maintenance. Batteries and damage resulting from failed batteries are not

covered by warranty. A purchase receipt or other proof of original purchase date

will be required before warranty repairs will be rendered.

Any implied warranties, including but not limited to implied warranties of

merchantability and ﬁtness for a particular purpose, are limited to the express

warranty. Klein Tools shall not be liable for loss of use of the instrument or other

incidental or consequential damages, expenses, or economic loss, or for any

claim or claims for such damage, expenses or economic loss.

Some states or countries laws vary, so the above limitations or exclusions may

not apply to you. This warranty gives you speciﬁc legal rights, and you may also

have other rights which vary from state to state. If your Klein product requires

repair or for information on how to exercise your rights under the terms of this

warranty, please contact Klein Tools at 1-800-553-4676.

CLEANING

Clean the instrument by using a damp cloth. Do not use abrasive cleaners or

solvents.

STORAGE

Remove the batteries when instrument 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 Speciﬁcations

section, allow the instrument to return to normal operating conditions before

using it.

DISPOSAL /RECYCLE

Caution:

This symbol indicates that equipment and its accessories

shall be subject to a separate collection and correct disposal.

139645

Rev. 08/10

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