Battery Replacement; Calibration And Repair Services - Extech Instruments 480403 User Manual

Magnetic Field Detection
1. Hold the meter in the area under test.
2. A magnetic field is present if either the clockwise or the counter-
clockwise LED illuminates.

Battery replacement

The meter uses a 9V battery (supplied) as a power source. If the green
LED does not light when the ON/OFF button is pressed, replace the
battery.
1. Place the meter on a clean, flat, non-abrasive surface.
2. Loosen the rear bottom Phillips head screw to access the
battery compartment.
3. Lift the battery access door and replace the 9V battery observing
polarity.
4. Place the battery carefully in the compartment without crimping
the black and red battery connecting wire.
5. Close the access door and secure the screw.

Calibration and Repair Services

Extech offers repair and calibration services for the products we
sell. Extech also provides NIST certification for most products. Call
the Customer Care Department for information on calibration services
available for this product. Extech recommends that annual
calibrations be performed to verify meter performance and accuracy.
Technical Support: Extension 200; E-mail: support@extech.com
Repair & Returns: Extension 210; E-mail: repair@extech.com
Product specifications subject to change without notice
For the latest version of this User Guide, Software updates, and other
up-to-the-minute product information, visit our website: www.extech.com
Extech Instruments Corporation, 285 Bear Hill Road, Waltham, MA 02451
Copyright © 2007 Extech Instruments Corporation
All rights reserved including the right of reproduction in whole or in part in any form.
Support line (781) 890-7440
6 480403 V1.0 6/07