The Extech 407026 Heavy Duty Light Meter with PC Interface is a robust, high-accuracy instrument designed for precise measurement of illumination levels in both foot-candles and lux. Ideal for film, television, architectural, and industrial lighting applications, this meter features an oversized LCD for easy viewing, selectable light-source compensation for improved accuracy, and a built-in PC interface for convenient data logging and analysis. With functions for MIN/MAX/AVG recording, data hold, and automatic power-off, it's a dependable tool for professionals who need consistent, repeatable light measurements.
Features
Measures light levels in either foot-candles or lux with simultaneous display
Large 1.4" (1999-count) LCD for clear, easy-to-read measurements
Percentage mode allows comparison against a stored reference point
Front-panel "ZERO" adjustment for quick on-site recalibration
Precision photo diode sensor with color-correction filter for accurate readings
Cosine and color-corrected measurements for reliable results across varied angles and light sources
Typical accuracy of ±4%, enhanced by selectable lighting types including tungsten/daylight, fluorescent, sodium, and mercury
Record and recall MIN, MAX, and AVG values to track lighting variation over time
Data Hold function to freeze the current reading on the display
Auto power-off feature conserves battery life during extended use
Integrated RS-232 serial interface for connection to a PC with optional software
In the Box
Extech 407026 Heavy Duty Light Meter with PC Interface
Simultaneous indication of light level in foot-candles or lux
Differential Display
Percentage display of deviation from a stored reference level
Measurement Performance
Sensor Type
High-precision photodiode with color-matching filter
Cosine & Color Response
Cosine-corrected and color-corrected light measurements
Accuracy
±4% typical, optimized by selecting the appropriate light source type
Selectable Light Source Types
Tungsten/Daylight, Fluorescent, Sodium, Mercury
Zero Adjustment
Electronic zeroing function for quick recalibration
Data Functions
Recording Functions
Stores and recalls minimum, maximum, and average readings
Data Hold
Freeze current measurement on the display
Auto Power Off
Automatic shutoff to conserve battery life
Connectivity
PC Interface
Integrated RS-232 serial output
Software
Compatible with optional PC software (sold separately)
Regulatory
California Proposition 65
WARNING: This product can expose you to chemicals known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov.
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
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