Maintenance
Cleaning and storage
1. The white plastic sensor dome should be cleaned with a damp cloth when necessary.
2. Store the meter in an area with moderate temperature and humidity (refer to the
operating and storage range in the specifications chart earlier in this manual).
Battery Replacement
When the battery power falls low, the battery symbol will appear on the lower left-hand side
of the LCD. Replace the six (6) 1.5 ‘AAA’ batteries by removing the rear (center) battery
compartment screw and accessing the battery compartment. Observe polarity when
placing the batteries in the compartment. Ensure that the compartment cover is securely
fastened when finished.
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 this Extech product, call customer
service for details on services available. Extech recommends that calibration be performed
on an annual basis to ensure calibration integrity.
Support line (781) 890-7440
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’s Guide, Software updates, and other
up-to-the-minute product information, visit our website: www.extech.com
Copyright
©
2006 Extech Instruments Corporation.
All rights reserved including the right of reproduction in whole or in part in any form.
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EA33 V2.0
06/06
EXTECH [ EXTECH INSTRUMENTS CORPORATION. ]
