Extech ET38 Handleiding

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ET38-en-_V1.2/ US 0322

USER MANUAL

Model ET38

Screwdriver Voltage and Continuity Tester

Voltage Testing

To check a circuit for voltage, insert the screwdriver probe into the outlet or carefully

touch probe to the electrical contact or conductor to be tested. Touch metal contact on

the side of the tester housing with finger. If voltage is present, the LED indicator will

light.

WARNING: Do not touch the screwdriver tip with fingers.

Continuity Testing

1.Before taking a continuity test, make sure that power to the device or circuit under

test is disconnected and that all fuses are removed.

2.Touch the probe to one end of the conductor to be tested.

3.Place finger or hand on the metal plate located on the tester handle.

4.Use other hand to complete the circuit on the other end of the conductor.

5.If continuity is made, the LED indicator will light.

WARNING: To avoid electric shock, never measure continuity on circuits that have

voltage on them.

CAUTION: Always test on a known live circuit before use to make sure tester is

operating correctly and batteries are good.

Replacing Battery

To test the quality of the batteries, touch the contact point on the tester handle while

touching the screwdriver tip. If theLED indicator does not light, replace the batteries.

1.Use a screwdriver to remove the Philips screw and open the battery compartment.

2.Replace with two (2) button type LR44 or equivalent batteries.

3.Replace the cover and re-test.

CAUTION: Use extreme caution when checking electrical circuits to avoid injury due

to electrical shock. FLIR Systems, Inc. assumes basic knowledge of electricity on the

part of the user and is not responsible for any injury or damages due to improper

use of this tester.

Specifications

Voltage Range300V AC 12~

Frequency50/60Hz

Power supply Two 1.5V button cell batteries

Operating Temperature41 ~ 104°F (5 ~ 40°C)

Relative Humidity80% RH Max.

50% > °F (31°C) 88

Altitude7000 ft. (2000m) <

Overvoltage classCAT II / 300V

Pollution degree2 (accordance with IED- 664)

Recommended UseIndoor

To clean, use a damp cloth only with no chemical detergents or alcohol.

OVERVOLTAGE CATEGORY II

Equipment of OVERVOLTAGE CATEGORY II is energy-consuming equipment to be supplied from the

fixed installation

Double Insulation: The meter is protected by double insulation or reinforced

insulation

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All rights reserved including the right of reproduction in whole or in part in any form

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Product specificaties