Radcal ACCU-GOLD2 - Legacy Sensors Overview

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AGLS Light Sensor
The AGLS light sensor contains a silicone photo diode that can be exposed to ambient light through an
optical filter, which very accurately simulates the spectral response of the human eye’s photopic response,
in order to measure illuminance in lux units. A luminance adapter can be screwed onto the base unit in
front of the photo-diode for the measurement of luminance in cd/m2 units through an aperture with a 10-
mm diameter. Accu-Gold automatically detects the presence or absence of the luminance adapter and
automatically selects the appropriate units
L
ight Sens
or
A
GL
S
R
esolutio
n
L
uminance Rang
e
0
.05 to 50,000 cd/
m
2
0
.01 cd/
m
2
I
lluminance Rang
e
0
.05 to 50,000 lu
x
0
.01 lu
x
L
uminance Apertu
re
Ø
10 mm measuring field. Contact measurement focusin
g
lens 1:1.
C
alibration Uncertain
ty
<
3% of value or 0.05, whichever is greater, relative t
o
Illuminant A.
C
alibration Traceabil
ity
T
raceable to NIST and international standard
s.
P
hotopic Respons
e
<
4% (Deviation from 1931 CIE photopic curve standar
d)
C
osine Respons
e
<4
%
(CIE f2 tes
t)