EA31-EU-EN-V2.1-6/12
5
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 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.
You, as the end user, are legally bound (Battery ordinance) to return all used
batteries and accumulators; disposal in the household garbage is prohibited!
You can hand over your used batteries / accumulators at collection points in your
community or wherever batteries / accumulators are sold!
Disposal: Follow the valid legal stipulations in respect of the disposal of the
device at the end of its lifecycle
Specifications
Units Ranges and Resolution Accuracy
Lux 20.00, 200.0, 2000, 20.00kLux
Foot-candles 20.00, 200.0, 2000, 20.00kfc
± (3% rdg + 0.5% FS)
±( 4% rdg + 0.5% FS, if > 10,000lux or 1,000fc)
General Specifications
Display 3-1/2 digit, 2000 count LCD
Over range indication LCD displays ‘OL’
Spectral response CIE photopic (CIE human eye response curve), Cosine corrected
Spectral accuracy CIE V function (f’
1
,6%)
Measurement Repeatability ±2%
Calibration Calibrated to a standard incandescent lamp at color temperature
2856ºK
Temperature coefficient ±0.1% per
o
C
Sampling rate 2.5 times per second
Photo detector Silicon photo-diode and spectral response filter
Operating conditions Temperature: 0 to 40
o
C (32 to 104
o
; Humidity: < 80% RH
Storage conditions Temperature: -10 to 50
o
C (14 to 140
o
F); Humidity: < 80% RH
Dimensions 150 x 72 x 35mm (5.91 x 2.8 x 1.4")
Weight Approx. 320g (11.3 oz) with battery
Photo Detector Dimensions 92 x 60 x 29mm (3.62 x 2.36 x 1.14”)
Detector cable length 91cm (3’) approximately
Low battery indication “BT” appears on the LCD
Power supply 6 ‘AAA’ cells; Battery life approx 400 hours
Copyright © 2012 Extech Instruments Corporation (a FLIR company)
All rights reserved including the right of reproduction in whole or in part in any form.
www.extech.com
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