PCE Health and Fitness PCE-CRM 40 User manual

PCE-CRM 40 Chroma Meter
PCE-CRM 40
Chroma Meter
User Manual
PCE Americas Inc.
711 Commerce Way
Suite 8
Jupiter
FL-33458
USA
From outside US: +1
Tel: [phone]
Fax: [phone]
[email protected]
www.pce-instruments.com/english
www.pce-instruments.com
PCE Instruments UK Ltd.
Unit 11
Southpoint Business Park
Ensign way
Hampshire / Southampton
United Kingdom, SO31 4RF
From outside UK: +44
Tel: [phone]
Fax: [phone]
[email protected]

PCE-CRM 40 Chroma Meter
CONTENT
ⅠProduct Overview .......................................................................................................................1
1.1 Front Side............................................................................................................................1
1.2 Reverse Side........................................................................................................................2
ⅡBasic Operation...........................................................................................................................3
2.1 Starting Page.......................................................................................................................3
2.2 Home Page..........................................................................................................................4
2.3 System Settings...................................................................................................................5
2.3.1 Time Setting.............................................................................................................5
2.3.2 Power Management..................................................................................................6
2.3.3 Language..................................................................................................................7
2.3.4 Version .....................................................................................................................7
2.4 Test Setup............................................................................................................................8
2.4.1 Developer Tools .......................................................................................................8
2.4.2 Measurement unit selection......................................................................................9
2.4.3 Integral Time….…………………………………………………………………..10
2.4.4 Standard Illumination settings…………………………………………………….10
2.5 Parameter description........................................................................................................10
ⅢMeasurement.............................................................................................................................12
3.1 Measuring Operation.........................................................................................................12
3.2 Operation during Measuring .............................................................................................15
3.3Color Difference Value and Chromaticity Coordinates......................................................16
3.4 View Data..........................................................................................................................19
3.5 Maximum Measuring........................................................................................................20
3.6 Batch Data Processing.......................................................................................................21
ⅣAttentions and Basic Maintenance............................................................................................27
4.1 Attentions in use................................................................................................................27
4.2 How to clean .....................................................................................................................28
ⅤSpecifications............................................................................................................................29

PCE-CRM 40 Chroma Meter
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ⅠProduct Overview
PCE-CRM 40
1.1 Front Side
1 Measuring lens
2 Display Screen
3 UP key Move up
4 MAX key Maximum value
5 OK key Confirm
6 DOWN key Move down
7 MENU key Moves to the main measurement screen from other
screens and submenus.
8 BACK key Moves back one level in the menu structure.
9 POWER key Power
10 USB MICRO Interface Connected with power adapter to realize the charging,
connected with computer to realize data
transmission.
11 SD slot Install SD card into this slot.

PCE-CRM 40 Chroma Meter
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1.2 Reverse Side
12 Tripod jack
13 Nameplate
14 Wrist Strap Hook
15 HOLD key Press the button，the device would pause
and save the latest data, and word
‘hold’ shows on the screen in the top
left corner;
Press the button once again, and the
device would continue working.
16 Measuring Lens Uninstall button The button is set for manufacturer
maintenance. It is strictly
prohibited to disassemble privately in
any case, avoiding causing irreversible
damage.

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ⅡBasic Operation
2.1 Starting Page
Press the power button for 1-2 seconds，after the beep, the device starts up and shows
the starting page.
After the starting process, the measuring page shows directly as below:

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PCE-CRM 40 Chroma Meter
Press the button ‘MENU’ to jump into home page and operate other buttons to set up the
device for measuring.
2.2 Home Page

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2.3 System Settings
Get into the system settings, the factory date has been set as Beijing Time. Power
management and language are default, users can change if necessary.
2.3.1 Time Setting
Time setting can be accurate to seconds, which has already been set in Beijing Time. No

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PCE-CRM 40 Chroma Meter
need to change if not necessary.
2.3.2 Power Management
There are functions include screen backlighting time setting, auto-shut off time setting and
backlight brightness adjustment.
LCD backlighting time is set for 30 seconds in default, and the auto-shut off is set for 30
minutes.
Backlight brightness adjustment function has 3 optional levels, corresponding to the dark,
medium and bright. It is set in first level in default.

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2.3.3 Language
Device provides two operating languages in Chinese and English. Customers can choose
according to need.
2.3.4 Version
User can view version number and identification S/N code in the page.

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2.4 Test Setup
2.4.1 Developer Tools
Developer tools are provided for developers only, the function is not open
during the use of device. The details are provided in 4.3.

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2.4.2 Measurement unit selection
Two optional units of illumination are provided, Lx and Fcd.

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2.4.3 Integral Time
This menu included two unit settings:
Integral Time unit setting, can choose Evh/Evm, corresponding Integral Time unit
Hour/Minute respectively.
2.4.4 Standard Illumination Settings

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PCE-CRM 40 Chroma Meter
This function sets a standard illumination value. After entering this screen, press
UP/DOWN button to firm a number within 0-9. After completing a set, cursor will
move to another position to choose. Completed five blank positions setting, press
UP/DOWN button to choose the weight of issue, or re-input a standard illumination
value.
This function is used for helping field test, especially for a known standard range, to
get a rapid and accurate detection.
2.5 Parameter description
Select the option of parameter description, press the OK to jump into menu below.

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PCE-CRM 40 Chroma Meter
The definition of photometric and colorimetric symbols are provided in the page for
operation.
ⅢMeasurement
3.1 Measuring Operation
After the startup-setting finished, pointing the photosensitive lens at light source to be
measured directly and it starts measuring immediately.
The data shows on the display screen.
Measuring screen shows all real-time measured values, can be easily seen the measured
Light Source parameter values.
There are 6 measured screens, press UP/DOWN to switch screen, all data are real-time
measuring values.
The measuring order is switched as followed:

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PCE-CRM 40 Chroma Meter
Illumination curve and Parameters screen 1:
Illumination curve and Parameters screen 2:
Real-time illumination curve
Red line is a standard illumination
value. It can be set according to 2.3.
Real-time illumination
Real-time integration illumination
Red line is a standard illumination
value. It can be set according to 2.3.
Real-time illumination
Standard illumination
Illumination Difference value
Illumination ratio

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CIE1931：.
CIE1976：
CIE1931 Real-time color
coordinate and color range
CIE1976 Real-time color coordinate
and color range
(x,y)CIE1931 chroma coordinate
Y: Illumination value
Tc: Color temperature value
(u’,v’)CIE1976 chroma coordinate
Tc: Color temperature value

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PCE-CRM 40 Chroma Meter
3.2 Operation during Measuring
Press the ‘hold’key until the word ‘hold’ shows on the upper right corner of the screen,
then the measuring process would end, the test data would be stored in SD card
automatically.
Press the ‘hold’ key again and measuring process starts again, as below:
When a device complete a set of data testing, user can press ‘MENU’ key to jump into
homepage and perform other operations. If press ‘MENU’ again, the page would

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Difference Value and Chromaticity
PCE-CRM 40 Chroma Meter
return to measuring page.
3.3Color
Coordinates
When we press the ‘ok’ key, it jumps into testing menu. User can check for color
difference value, chromaticity diagram and RGB value.

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PCE-CRM 40 Chroma Meter
User can look up the latest one data of color difference value in the color difference
value option, including ∆(XYZ)，∆(Evxy)，∆(Evuv)，∆Ev ∆Tc ∆uv
Chromaticity diagram is consisted with two coordinate graphs, CIE1931 and CIE1976
CIE1931

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CIE1976
RGB Value
Select RGB test to view the RGB graph.