Filter
Top Products
83
Explanation
Error
No.
Symptom Item to Check Corrective Action
Reference
Page
8 Measurement values
are inconsistent.
Is the measuring object
stable?
Conduct measurement with the
measuring object stable.
—
Is the measuring object
of low luminance?
Repeatability of x, y worsens if
the measuring object of low
luminance is measured.
52, 30
It especially worsens when the
measurement angle is 0.2º or
0.1º.
It also worsens when the
measurement time is short.
Make the measurement time
longer.
Is the measurement
sync frequency
appropriate when
measuring the display?
Set the appropriate
measurement sync frequency.
26, 30
Use MULTI INTEG-NORMAL
mode or MULTI INTEG-FAST
mode.
Measure in EXT SYNC mode.
Have the ambient
temperature and /or
humidity changed
rapidly?
Conduct measurement under an
environment free from rapid
changes in ambient temperature
and humidity.
3
Did you start
measurement
immediately after
startup?
Allow the instrument to warm up
for 20 minutes or more when the
power switch is turned on.
23
9 Measurement values
appear incorrectly.
Is the objective lens
clean?
Wipe off the lens with a dry, soft
cloth or lens cleaning paper.
52
User calibration may not
be performed correctly.
Check the values without user
calibration (i.e. set the calibration
channel to 00 (NON) and check).
47
Is the calibration
channel correct?
Select the calibration channel
according to the light source of
luminance and chroma close to
the object.
47
Has the closeup lens
been attached?
Select the lens type setting
according to the attached
closeup lens.
43, 52
Has the ND filter been
attached?
Select the ND filter setting
according to the attached ND
filter.
45
Has the object been
focused?
Adjust the focus after adjusting
the diopter.
13, 15
52
10 The measurement
stops halfway and does
not finish in the set
measurement time.
Is the measuring object
of high luminance?
When measuring an object of
high luminance, the sensor may
be saturated by exceeding the
upper limit of the current
measurement setting.
45
Use the ND filter.