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Using the Illuminance Adapter
Use the illuminance adapter in the optional accessories to measure illuminance. For instructions on how
to attach the illuminance adapter, refer to the instruction manual for the illuminance adapter. Note that
the illuminance adapter comes calibrated as a set together with this instrument.
Attaching an illuminance adapter to this instrument and selecting it as an accessory enables spectral
irradiance measurement with a spectrum wavelength width of 5 nm or less, and accuracy conforming to
Class AA Illuminance Adapter general illuminance meter of JIS C1609-1:2006.
When measuring, rotate the focus adjustment ring to set the focal length at infinity (∞). Setting a
different focal length will lead to inaccurate measurement.
Setting the wrong illuminance adapter will lead to inaccurate measurement. Moreover, do not use the
illuminance adapter together with the closeup lens or ND filter. as this will lead to inaccurate measurement.
Measurement illuminance range (in light source A spectrum)
Measurement
CS-3000HDR
angle
1°
0.01 to 1,400,000 lx
0.2°
0.25 to 35,000,000 lx
0.1°
1 to 140,000,000 lx
Note that in practice, light source A measurement will have an upper limit of about 100,000 lx due to the effect of heat.
Operating Procedure
6, 7, 8, 9
1
1
. Press MENU key when the MEAS screen
is displayed.
The MENU screen appears on the LCD.
When the backlight of the LCD has been turned off via
BACKLIGHT
backlight is turned on.
2
. Press either
[OPTION] and then press ENTER key.
The MENU - OPTION screen appears on the LCD.
The current set contents are displayed in the [ANGLE]
item.
key on the MEAS screen, the
or
key to select
CS-3000
0.012 to 70,000 lx
0.3 to 1,750,000 lx
1.2 to 7,000,000 lx
2, 3, 4
M E A S
Lv
x
y
CMF
2˚
MEAS
MEMORY
O P T I O N
S E T U P
D A R K M E A S U R E M E N T
I N F O R M A T I O N
54
CS-2000Plus
0.08 to 70,000 lx
2 to 1,750,000 lx
8 to 7,000,000 lx
5
S N G L
U C 0 0
1˚
68.12
c d
m
0 . 3814
0 . 3909
SPD
SYN
[
Hz
]
ACC
Nrm
5 9 . 9 4
Non
M E N U
M E N U
O P T I O N
(
2/2
)
I L L U M I N A N C E
O F F
2
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