| 释义 |
lumeter|ˈl(j)uːmiːtə(r)|
[f. L. lūm-en light + -meter.]
= luxmeter.
1911Trans. Optical Soc. XII. 104 Messrs. R. & J. Beck, Ltd., the makers of the ‘Lumeter’ instrument. 1923L. C. Martin Colour 178 The lumeter reads in foot-candles, that is to say the brightness which a perfectly reflecting and diffusing surface would have if illuminated by so many foot-candles. 1947Brit. Jrnl. Psychol. XXXVIII. 89 The apparatus was calibrated for intensity of illumination (as this would appear to the subject's eye) by placing a lumeter in the position of the tube T. |