Model 407850 Version 1.2 December 2005
5
Support Hotline (781) 890-7440
Tech support: Ext. 200; Email: [email protected]
Repair/Returns: Ext. 210; Email: [email protected]
Website: www.extech.com
Battery Replacement
When the 9V battery voltage falls to a critical level, the ‘LBT’ indicator appears on the LCD.
Follow these steps to replace the battery:
1. Remove the probe and the RS-232 cable from the meter.
2. Remove the rubber boot that encases the entire meter by pulling it over the bottom of
the meter.
3. Open the battery compartment (located on the lower back of the meter) with a flat head
screwdriver.
4. Replace the 9V battery, replace the compartment cover, and affix the rubber boot.
Warranty
EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for
three years 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 ext. 210 for authorization or visit our website at www.extech.com (click on ‘Contact
Extech’ and go to ‘Service Department’ to request an RA number). 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.
Calibration and Repair Services
Extech offers complete repair and calibration services
for all of the products we sell.
For periodic calibration, NIST certification on most products 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 ensure calibration integrity.
Copyright
©
2005 Extech Instruments Corporation.
All rights reserved including the right of reproduction in whole or in part in any form.
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