Extech Instruments Easy View Digital Light Meter EA31 Manual De Usuario
EA31 V2.0 06/06
6
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).
manual).
Battery Replacement
When the battery voltage is low the ‘BT’ symbol will appear on the display.
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.
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 repair and calibration services for the products we sell. Extech also
provides NIST certification for most products. Call the Customer Service
Department for information on calibration services available for this product.
Extech recommends that annual calibrations be performed to verify meter
performance and accuracy.
provides NIST certification for most products. Call the Customer Service
Department for information on calibration services available for this product.
Extech recommends that annual calibrations be performed to verify meter
performance and accuracy.