EC1-L Screen Luminance And Film Density Meter
Description
The Hagner EC1-L is a compact instrument for measuring the luminance of luminous screens, for instance of film and slide viewers, X-ray viewers etc., and for easy calculation of film density. It has both an automatic zeroing and an on/off switch and the only controls needed are a four position range selection switch and a hold button to retain the displayed value.
The opening of the detector, which should be pressed against the screens, has a round aperture with an area of 1 cm².
The meter is calibrated to read 1 cd/m² to 2,000,000 cd/m² in four measurement ranges. The L model calibration is suitable for X-ray viewers
The calculation of film density requires also a simple calculator which will give the logarithm to base 10 of a number (LOG10).
EC1-L Screen Luminance And Film Density Meter
Specifications |
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|---|---|
| Measurement Rate: | -- 1/sec |
| Measurement Range: | 1-200000lx |
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Frequently Asked Questions
The EC1-L is used for measuring the luminance of luminous screens, such as film and slide viewers, X-ray viewers, and for calculating film density.
The EC1-L meter has an automatic zeroing and on/off switch, a four-position range selection switch, and a hold button to retain the displayed value.
The EC1-L meter is calibrated to read luminance values from 1 cd/m² to 2,000,000 cd/m² in four measurement ranges.
The detector on the EC1-L meter has a round aperture with an area of 1 cm².
The EC1-L meter is powered by a 9 Volt battery type PP3, which has a lifetime of 350 hours.