Konica Minolta CM-26dG Technical specifications

Spectrophotometer
CM-26dG
CM-26d
CM-25d
En Basic Operating
Instructions
Please read before using the instrument.
This manual explains the basic procedures for measuring
color and/or gloss with the CM-26dG / 26d / 25d
spectrophotometers.
Note) For setting and operation details, see the instruction
manual of the CM-26dG / 26d / 25d.

Table of Contents
Names of Parts ..................................................... 1
Measurement ....................................................... 5
When color difference is measured ....................... 9
Setting measurement conditions ........................ 16
How to set the measuring instrument ................. 17

Names of Parts
■Instrument
1
Viewfinder lever
Measurement button
(It is on the left and right)
Measurement
area switch
Sample
surface
aperture
Screw holes for securing
Battery
cover
Viewfinder
(Specimen
confirmation
window) LCD screen
Control panel
Charging lamp
Power switch
(CM-26dG/26d only)
USB connection
terminal
(Mini-B type)
Wrist strap
attachment hole
Viewfinder

■Display (LCD Screen)
P.22, Instruction Manual
Names of Parts
2
Status bar
Data number and
name
Target reference (sample) /
Affiliated group (target)
Target/Sample
Measurement
date/time
Observer/
Illuminant 1
Measurement
area
UV setting
Observer/
Illuminant 2
Pass/fail
result
Target to be used for association
with the next measurement or
filter (target)

■Operation Keys
3
［ ］
(Target/Sample) key
Switches between <Target> screen
and <Sample> screen.
[MENU] key
Displays the
<Settings> screen.
[ESC] key
Returns to the previous
screen without configuring
the settings when pressed
on the <Settings> screen,
and returns to list screen
when pressed on the sample
details screen.
[◀, ▶, ▲, ▼] keys
Switches screen tabs from the
<Results Display> screen,
moves the cursor on the
<Settings> screen, or changes
the selected value.
[Confirmation] key
Sets the item or
setting indicated
by the cursor on
the various setting
screens. This key
also switches to
detail screens for
data selected in the
list displayed on the
<Results Display>
screen.

■Calibration
Stage
4
Cap
Zero calibration hole
White calibration plate
Gloss calibration plate
CM-26dG
Cap
Zero calibration hole
White calibration plate
Target mask holder
CM-26d
Cap
Zero calibration hole
White calibration plate
CM-25d

5
1Turning the Power ON (P.6)
Language selection
P.103, Instruction Manual
* As necessary (after initialization, etc.)
Measurement cond. setting
P.92, Instruction Manual
Measurement area selection
P.33, Instruction Manual
* When required depending on the
measurement conditions
Note: Make sure the measurement area set on the instrument
is the same as the area of the target mask to be used.
Zero calibration
P.35, Instruction Manual
* Only when required (when changing
the measurement conditions, etc.)
2White calibration (P.6, P.7)
White calibration
Gloss calibration (* CM-26dG only)
3Measurement (P.8)
Measurement

6
1
Turning the
Power ON
P.32,
Instruction Manual
2
White
calibration
P. 37,
Instruction Manual
①
Press and hold the power switch for about 1 second.
∙ When first turning the instrument ON after purchasing,
the language setting screen will be displayed, followed
by the date and time setting screen. Configure the
settings according to P.103 and P.104.
To perform white calibration
Note: Zero calibration must be performed before white calibration
if there have been significant changes in the measurement
environment, if the instrument has not been used for a long
period of time or if using the MAV target mask (with glass).
①
Select “Calibration (Excluding
Zero Cal.)” and press the
[Confirmation] key.
②Place the instrument on
the calibration stage.
③
Press the measurement button.
∙ White calibration will be performed.
∙ Do not move the instrument until white
calibration is complete.
Place the
instrument
on the
calibration
stage
according to
the marks.
Calibration stage

7
Measurement
Gloss
calibration
only with the 26dG
P.38,
Instruction Manual
If using the CM-26dG, perform
gloss calibration next.
④Place the instrument
in the gloss calibration
position.
Place the
instrument
on the
calibration
stage
according to
the marks.
Calibration stage
⑤Press the
measurement button.
∙ Gloss calibration will
be performed.
∙ Do not move the
instrument until gloss
calibration is complete.
∙ When gloss calibration is
completed, the screen returns
to the <Sample> screen.

8
3
Measurement
P.41,
Instruction Manual
①Check the Sample
screen.
・
If not displayed, switch to the
Sample screen.
②Set the specimen
measuring port on the
sample to measure.
∙ Take care to prevent floating
or tilting from occurring.
③Press the
measurement button.
∙ The results are displayed on
the screen. The sample was
saved as "0001".
Measurement
<Reference
color screen>
<measurement
screen>

9
When color difference is measured
<Measuring color difference in the
normal mode>
1
Color difference target settings (P.10)
2
Pass/fail judgment criteria settings (P.11)
3Measurement (P.13)
<Measuring color difference in the
simple mode>
1Set to "Simple mode". (P.14)
2Measuring a target (P.15)
3Measuring a sample (P.15)

10
Setting color difference by
measuring a target
①Display the target or
target list screen.
∙ Set the target number with
the [] and [] keys before
imparting measurement.
②Set the specimen
measuring port on the
sample to measure.
∙ Take care to prevent floating
or tilting from occurring.
③Press the
measurement button.
∙ The results are displayed on the
screen.
∙ The selected number is used
as the target data number. If
data already exists under that
number, the instrument asks
whether to overwrite that data or
not, therefore enter the target by
pressing the [Confirmation] key.
1
Color
difference
target
settings
P.41,
Instruction Manual
The target is set.
<Measuring color difference in the normal mode>

11
When color difference is measured
①Select <Target Menu>
- <Pass/Fail> - "Edit
tolerance".
②Input settings.
Settings
○x / y : -0.2000 to 0.2000
○Equation / MI : 0.00 to 20.00
○Other than the above : -20.00 to 20.00
2
Pass/fail
judgment
criteria
settings
P.58 -59,
Instruction Manual

12
③Once settings have
been completed, select
"OK" to establish
them.
④Close the
"Edit tolerance" screen.

13
When color difference is measured
①Display the Sample
screen.
∙ Select a target number before
imparting measurement.
②Set the specimen
measuring port on the
sample to measure.
∙ Take care to prevent floating
or tilting from occurring.
③Press the
measurement button.
∙ The results are displayed on the
screen.
∙ A sample number is
automatically assigned in the
order of measurement.
3
Measurement
P.41,
Instruction Manual
Mark signifying a “Pass” judgment

14
<Measuring color difference in the simple mode>
①Press the [ESC] button
to skip the calibration
prompt displayed
immediately after
turning the power ON.
②Select "Yes" when
"Change to the simple
mode?" appears on the
display.
Or,
①Select <Settings> -
<Instrument Mode> -
"Simple".
1
Set to
“Simple
mode”.
P.48,
Instruction Manual

15
①Press the
measurement button.
①Press the
measurement button.
Notes
・
Measurement data is not
saved in the simple mode.
・
The opacity mode cannot
be selected while the
instrument is in the simple
mode. Moreover, the
simple mode cannot be
engaged while the opacity
mode is active.
2
Measuring a
target:
Absolute value
measurement
P.48,
Instruction Manual
3
Measuring a
sample:
Difference
measurement
P.48,
Instruction Manual
②Press the [Target/Sample] button or
[ESC] button to switch to the simple
measurement screen.
or

16
Setting measurement conditions
Measurement conditions (Measurement mode,
SMT Times, Observer/Illuminant, Display) must
be set before imparting measurement.
The menu items that can be set are as follows.
P.80 - 100, Instruction Manual
Measurement cond.
Measurement mode
Color & Gloss / Color only / Gloss only / Opacity
Measurement setup
Specular component
UV
Auto average
Manual average
Manual average option (SMC average option)
SMC
SMC Threshold
SMC Times
Observer/Illuminant
Observer/Illuminant 1
Observer/Illuminant 2
Display cond.
Display type
Color space
Color dierence equation
Custom 01 to 14

17
How to set the measuring instrument
To set measurement instrument options, select
“Instrument setup” from the <Setting> screen.
The menu items that can be set are as follows.
P.101 - 110, Instruction Manual
Instrument setup
User type
Language
Date format
Date & time
Brightness
Direction
Beep
Auto power o
Password setting

En 9222-AC5J-41
BJCAKK
©2019 KONICA MINOLTA, INC.
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