401025 Datasheet, PDF (2/6 Pages) Extech Instruments Corporation. – Digital Light Meter

Specifications
General Specifications
Display
Measurement
Ranges
Sensor
Zero Adj.
Sampling Time
Response Time
Over input indication
Analog Output
Operating Temperature
Operating Humidity
Power Supply
Power Current
Weight
Dimension
Optional Accessories
Range Specifications
Lux
Range
2,000 Lux
20,000 Lux
50,000 Lux
Foot-candle (Fc)
Range
200 Fc
2,000 Fc
5,000 Fc
0.5" (13 mm) LCD (Liquid Crystal Display).
Lux, Ft-candle (Fc).
Lux: 0 to 50,000 Lux, 3 ranges. Foot-candle: 0-5,000 Fc, 3
ranges.
Exclusive photo diode & color correction filter, spectrum
designed to meet C. I. E.
Manual adjustment.
Approx. 0.4 sec.
Fast: 0.25s; Slow: 1s
Indication of "1 "
0.1 mV/1 digit, max. output :200mV.
(32^OF to 122^OF).(0^OC to 50^OC).
Less than 80% RH.
006P DC 9V battery
Approx. 2 mA DC
220 g / 0.52 LB
Main instrument: 6.4x2.8x1.2 inch (163x70x30mm).
Sensor Probe: 3.2x2.2x0.5 inch (85x55x12 mm).
Vinyl pouch carrying case, 409996
In-range Display
0-1,999 Lux
2,000-19,990 Lux
20,000-50,000 Lux
In-range Display
0-199.9 Fc
200-1,999 Fc
2,000-5,000 Fc
Resolution
1 Lux
10 Lux
100 Lux
Resolution
0.1 Fc
1 Fc
10 Fc
Accuracy
± (5% + 2digits)
± (5 % + 2digits)
±- (5 % + 2digits)
Accuracy
± (5% + 2digits)
± (5% + 2digits)
± (5% + 2digits)
Frequency Spectrum
1
0.8
0.6
0.4
0.2
0
300
400
500
600
Wavelength (nm)
700 800
2
401025 Ver. 2.1 07/05