Measurement Methods - KPS -LX30LED Manual De Funcionamiento

KPS-LX30LED • Digital light meter
(9) Meter/feet units
(10) Data hold mode
(11) Low battery
(12) Peak measurement mode
(13) Minimum measurement mode
(14) Maximum measurement mode
4.

MEASUREMENT METHODS

(15) Relative measurement mode
4.1 Notices prior to measurement
Do not use the light meter in environments full of dusts or having gas sub-
measurement in the place with high temperature and high humidity. Do not
use the light meter in environments with intense infrared or ultraviolet rays.
stances and flammable steam substances! Do not use the light meter for
• The opto-sensor of this meter is designed by simulating the sensitive curve
of light obtained through human eyes. The spectral coverage is between
range, there will be a large data deviation.
320mm and 730mm. When it is used for measurement within the infrared
• The opto-sensor is calibrated by common electric incandescent lamp re-
number may be different for the spectrum of other lamps.
quired by CIE under the color temperature of 2854°K; the provided reading
• The reference level of light source test is at the top of the spherical surface
illuminated.
• The optical detector should expose to light for 2 minutes before measure-
ment.
be avoided.
• Influence of tester's shadow and other factors on the optical detector should
Warning
Tips
29