Maintenance; Specifications - Extech Instruments EA30 User Manual

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 'BT' 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.
You, as the end user, are legally bound (EU Battery ordinance) to return all used
batteries, 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

Ranges
Lux
40.00,
400.0
4000
40.00k,
400.0kLux
Foot candles
40.00
400
4000,
40.00kfc
Display
Over range indication
Spectral response
Spectral accuracy
Measure Repeatability
Temperature coefficient
Sampling rate
Photo detector
Peak hold
Operating conditions
Storage conditions
Dimensions
Weight
Low battery indication
Power supply
Resolution
0.01
0.1
1
0.01
0.1
0.01
0.1
1
0.01
Multi-function 3-3/4 (3999) digit LCD with Bargraph indicator
LCD displays 'OL'
CIE photopic (CIE human eye response curve)
CIE V function (f
1
±2%
o
±0.1% per C
13.3 times per second (Bargraph); 1.3 times per second (digital display)
Silicon photo-diode with spectral response filter
Capture light peaks to 100uS
Temperature: 0 to 40
Temperature: -10 to 50
150 x 72 x 33mm (5.91 x 2.8 x 1.4")
Approx. 320g (11.3 oz.) with battery
"BT" appears on the LCD
6 'AAA' cells; Battery life approx 400 hours
± (3% Reading + 0.5% Full Scale)
±( 4% Reading + 0.5%Full Scale)
± (3% Reading + 0.5% Full Scale)
±( 4% Reading + 0.5%Full Scale)
6%)
o o
C (32 to 104 F); Humidity: < 80% RH
o o
C (14 to 140 F); Humidity: < 80% RH
4
Accuracy
if > 10,000 lux
if > 1,000 fc
EA30-EU-EN v3.3 08/13