Extech 403125 Data Sheet
Specifications subject to change without notice.
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6/6/08 - R1
Wide measurement range
with high 0.01Fc/Lux resolution and analog output
Light ProbeMeter
™
Ordering Information:
403125....................Light ProbeMeter
™
403999....................Analog Output Cable
Features:
• Large 1999 count multi-function backlit LCD
to view in dimly lit areas
• Remote light sensor on 59" (1.5m) cable
conveniently mounts on top of meter for
one hand operation and safe storage
• Wide range for measurements as high as 20,000Fc/Lux
• 0.01 Fc/Lux resolution for accurate
low light level measurements
• Light sensor cover preserves sensor life
• Built-in Color and Cosine correction for
precise measurements
• Built-in CIE Spectrum Curve simulates “human eye”
response for optimum light analysis
• Peak hold and data hold
• Millivolt analog output for recording measurements
• Low battery, measurement unit, over range,
data hold, and peak hold LCD indicators
• Complete with light sensor and protective cover,
carrying case and 4 AAA batteries
Applications:
• Workplace, clean-room, and computer room light testing
• Compliance with safety regulatory bodies (OSHA)
• Schools, libraries, parking lots, light testing
• Building and ATM area security light monitoring
• Ambient testing for light-sensitive archives
such as in museums and art galleries
• Video, photographic, and architectural uses
Specifications
Foot candles (Fc) / Lux 20, 200, 2000, 20,000
Resolution 0.01Fc / 0.01Lux
Basic Accuracy ±(3%rdg + 10 digits)
Spectral Response CIE Photopic curve
Sample rate 2.5 readings per second
Temperature Coefficient 0.1 x stated accuracy / °C (<18°C or > 28°C);
0.056 x stated accuracy / °F (<64.4°F or > 82.4°F)
Peak hold response time >50ms
Cosine correction < 2%; 150° acceptance angle
Dimensions 7 x 1.7 x 1.6" (170 x 44 x 40mm)
Weight 7.76 oz. (220g)
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