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 ext.
8. Press the HOLD button to set the baud rate to 1200 or the SETUP button to select a 2400 baud rate. 9. Press the RECORD button and an ‘S’ will appear. 10. Press the HOLD button to save the setting and return to the normal operating mode. Model 451104 V2.0V 10/06...
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4. A letter ‘n’ will appear on the LCD 5. Release the HOLD key 6. The meter’s Auto-Power OFF feature has now been disabled. Keep in mind that the next time the meter is used, the Auto-Power OFF feature will be enabled. Model 451104 V2.0V 10/06...
For more information or specific operating instructions, refer to the User Guide included with the 407752 kit or contact Extech Instruments. Battery Replacement The meter is powered by one 9V Battery. If the...
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