Contempo Views YF-1065 Digital Lux Tester: Measuring Meter for Light & Illumination

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About Contempo Views YF-1065 Digital Lux

This meter is suitable for measuring light and illumination levels; the measurement of light intensity with these lux meters is becoming increasingly important in the workplace, where protective screens are needed to avoid risk. Features - Silicon photodiodes - For visible light - Spectral response - Range mark (nm): 320 - 730/E - Peak wavelength (nm): 560 - Testing range: 0.1 ~ 20,000 1ux - Data hold switch: for holding testing values - Output jack: for connecting to recorder and for long time test Specifications - Display: 3 1/2 digit LCD with maximum reading 1999 - Overload display: the highest "1" at left side - Low battery indication: when LCD displays "B", the battery needs to be replaced - Battery life: ~200 hours - Testing ranges: 0 ~ 200, 2000, 20000 (indicate X 10) lux - Accuracy: +/- 4%rdg. +/- 0.5% f.s. for 200, 2000, ranges; +/- 7% rdg. +/- 1% f.s. for 20000 range (Calibrated to standard incandescent lamp, 2856° K) - Temperature charateristics: +/- 0.1% °C - Repeatability: +/- 2% - Incident angle characteristics: 30° - within +/- 2%; 60° - within +/- 7%; 80° - within +/- 25% - Photosensor: silicon photodiodes - Operating temperature/humidity: 0 ~ 40°C /