Screen Brightness Tester of intensity of illumination

	Produnt Name：Screen Brightness Tester Product Categorie：Meter & Instruments Views：850
Details：
Screen Brightness Tester /Screem illuminometer /intensity of illumination Item:SM208 Features: Adopting a detector powered by a silicone photocell with high stability, photostability, and shock resistance, strict vision correction and accurate photometric measurement can be realized.  With a wide measuring range, it can measure between 0.01-39990cd/m2 without a dimmer. It is a digital display with good indication reproducibility, data latching and peak value latching functions;  With very low power consumption, it can operate continuously for 100 hours on a 9V layer-built battery;  Mini light probe, measuring angle <10O; Compact, portable, easy to use   Specification: Measuring range 0.01-39990cd/m2 Measuring distance ≤1m Object size ≥Ф20, increasing with the increase of measuring distance  Precision: ≤+0.5% of the measured value +1 figure Indication error: ≤+0.5% of the measured value +1 figure (relative to NIM standard) Spectrum response characteristics: In accordance with the standard of national grade I illuminometer Linearity error: ≤+0.2% of the measured value +1 figure Temperature characteristics: ≤+0.1% of the measured value +1 figure Operating environment: Temperature: （0-40）0C Relative humidity: ≤85% Dimensions and weight: 149X71X41mm3 Power supply: 9V layer-built battery (model 6F22)