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Hagner - Model EC1-L01 -Digital Luminance Meter
FromB. Hagner AB
The Hagner EC1-L Digital Luminance Meter is a small, handy and easy-to-use instrument for measuring luminance.
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- The Hagner EC1-L01 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 normally calibrated to read from 0.1 cd/m² to 200,000 cd/m².
- The calculation of film density requires also a simple calculator which will give the logarithm to base 10 of a number (LOG10)
- Detector: Silicon photodiode Vλ– filtered
- Measurement range: 0.1 - 200,000 cd/m²
- Measuring angle: 36°
- Accuracy: Better then +/- 3% (+/- 1 in last digit)
- Power supply: 9 Volt battery type PP3 (lifetime 350 hours)
- Temperature drift:30°C -0.35% / °C
- Dimensions: 130 x 75 x 35 mm
- Weight: 0.24 kg