381235 Ver. 1.5 3/01
5
Maintenance
Battery Replacement
Note: Remove the probes or antennae before replacing the battery
a. When the display reading begins blinking, the battery voltage has fallen to critical
levels and requires replacing.
b. Loosen the battery compartment screws (lower left side of the case back).
c. Replace the 4 ‘AA’ 1.5V batteries and replace the cover.
Cleaning
Caution:
Use only a dry (or slightly damp) cloth to clean the plastic case.
Calibration and Repair Services
Extech offers complete repair and calibration services for all of the products we sell. For
periodic calibration, NIST certification or repair of any Extech product, call customer
service for details on services available. Extech recommends that calibration be performed
on an annual basis to insure calibration integrity.
Warranty
EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and
workmanship for one year from date of shipment (a six month limited warranty applies on sensors and
cables). If it should become necessary to return the instrument for service during or beyond the warranty
period, contact the Customer Service Department at (781) 890-7440 for authorization. A Return
Authorization (RA) number must be issued before any product is returned to Extech. The sender is
responsible for shipping charges, freight, insurance and proper packaging to prevent damage in transit.
This warranty does not apply to defects resulting from action of the user such as misuse, improper wiring,
operation outside of specification, improper maintenance or repair, or unauthorized modification. Extech
specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not
be liable for any direct, indirect, incidental or consequential damages. Extech's total liability is limited to
repair or replacement of the product.
The warranty set forth above is inclusive and no other warranty, whether written or oral, is expressed or
implied.
Copyright © 2001 Extech Instruments Corporation.
All rights reserved including the right of reproduction in whole or in part in any form.
(
(
Tech Support Hotlines
781-890-7440 ext. 200
www.extech.com
