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- CCM-200 plus
- User manual
- 24 Pages
Opti-Sciences CCM-200 plus Chlorophyll Content Meter Operator's manual
The Opti-Sciences CCM-200 plus Chlorophyll Content Meter is a hand-held, battery-operated instrument designed for the rapid, non-destructive, determination of chlorophyll content in intact leaf samples. Chlorophyll content is a direct indication of plant health and condition. Obtaining chlorophyll content via non-destructive analysis gives researchers, agronomists and growers valuable diagnostic information. This data can then be applied to a multitude of crop production and research initiatives such as nutrient and irrigation management, pest control, environmental stress evaluation and crop breeding.
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CCM-200 plus
Chlorophyll Content Meter
Opti-Sciences, Inc.
Table of contents
CCM-200 plus operator's manual
2
Opti-Sciences, Inc. CCM-200 plus operator's manual
Introduction
The CCM-200 plus is easy to operate. Contained herein are a few simple guidelines to assist the user. Throughout this manual, you will be shown setup options and response messages. When an example of a program screen is shown within a box, this is how it will appear on the CCM-200 plus.
Welcome!
Congratulations on your purchase of the CCM-200 plus Chlorophyll Content Meter. Please check the carton for any visible external damage. If you notice any damage, notify the freight carrier immediately. Follow their procedures for reporting and filing a claim. The carton and all packaging should be retained for inspection by the carrier or their insurer.
List of Equipment
Report any missing items immediately. You should have received the following items:
• CCM-200 plus Chlorophyll Content Meter
• USB cable
• 9V Battery
• CD with manual
About the Instrument
The CCM-200 plus Chlorophyll Content Meter is a hand-held, battery-operated instrument designed for the rapid, non-destructive, determination of chlorophyll content in intact leaf samples. Chlorophyll content is a direct indication of plant health and condition. Obtaining chlorophyll content via non-destructive analysis gives researchers, agronomists and growers valuable diagnostic information. This data can then be applied to a multitude of crop production and research initiatives such as nutrient and irrigation management, pest control, environmental stress evaluation and crop breeding.
Measurements are instantaneous and can be done in the field under normal lighting and growing conditions. Ample on-board data logging and simple, easy to understand measurements further enhance the user’s ability to gather and interpret crop health conditions. The USB cable included with the CCM-200 plus allows for data transfer to a PC. for additional analysis.
The CCM-200 plus is a remarkable alternative to destructive sampling techniques. It is far less time consuming and allows samples to be monitored multiple times over various stages of an entire growth cycle. The rapid test and data gathering capability is sure to provide a tremendous advantage to all types of research. This innovative pocket-sized instrument is destined to play an important role in improving crop yield and producing higher quality foods.
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Opti-Sciences, Inc. CCM-200 plus operator's manual
Applications & Features
The CCM-200 plus Chlorophyll Content Meter is a versatile tool for Crop, Plant and Agronomic
Sciences. Listed below are a few examples of the many applications for which the CCM-200 plus can be used along with the user-friendly features that make the instrument indispensable to the field researcher.
Applications
• Optimization of Nitrogen Management
• Detecting & Assessing Crop/Plant Stress
• Nutrient Deficiency Analysis
• Plant/Crop Physiology
• Study Effects of Herbicides/Pesticides
• Monitor Response to Environmental Stress
• Leaf Senescence Studies
• Breeding and Production
• Teaching
Features
• Non-Destructive Measurement
• Lightweight, Hand-Held Design
• Optimized for Field Work
• Battery Operated
• Accurate Reliable, Easily Repeatable Measurements
• Internal Data Logging
• Stand Alone Operation- No PC is Required
• Simple to Use
• Rapid Test & Data Acquisition
• Single reading; averaging of multi-point readings, or averaging of 10 to 30 readings with standard deviation elimination function, used to throw out readings that are outside of a two sigma range.
• Includes a port for external GPS. The GPS can be purchased separately. The GPS allows the recording of measurement values with location information.
• Graphic display of Averaging measurements.
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Opti-Sciences, Inc. CCM-200 plus operator's manual
How it Works
Chlorophyll has several distinct optical absorbance characteristics that the CCM-200 plus exploits in order to determine relative chlorophyll concentration. Strong absorbance bands are present in the blue and red but not in the green or infrared bands.
Figure 1 chlorophyll absorbance
CCI = %Transmittance at 931nm. / %Transmittance at 653nm.
The CCM-200 plus uses transmittance to estimate the chlorophyll content in leaf tissue. Two wavelengths are used for absorbance determinations. One wavelength falls within the chlorophyll absorbance range while the other serves to compensate for mechanical differences such as tissue thickness (see figure 2). The meter measures the transmittance of both wavelengths and calculates a CCI (chlorophyll content index) value that is proportional to the amount of chlorophyll in the sample.
Note: CCI value is a relative chlorophyll value. Absolute chlorophyll content per unit area is not computed. CCM-200 plus measurements however can be correlated to ground/solvent analysis.
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Figure 2. LED Spectrum
Opti-Sciences, Inc.
Physical Features
Measuring lever
CCM-200 plus operator's manual
Display screen
Selection buttons
Arrow keys
On - off button
USB port
GPS port
Operation Overview
The CCM-200 plus is a self-contained, handheld device powered by a 9V alkaline battery. The sample head is located at the top of the instrument. A liquid crystal display (LCD) is located near the center of the unit. The power switch is at the bottom of the front panel. Seven menu / control keys are used to access all program functions.
Program flow is organized into 3 menu groups. The MENU key will step through the selections.
Press ENTER to accept the currently displayed value. Remaining keys are used within each mode as later described.
A USB port is located at the bottom right hand side of the case and allows the user to export data to a PC. A RS232 port is included on the bottom for use with GPS, and it can also be used for data transfer.
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Opti-Sciences, Inc. CCM-200 plus operator's manual
The three green tear shaped buttons are for selecting software defined choices and will be described as “buttons”. The blue arrow keys are used for scrolling and referred to as “arrow keys”.
Note: The unit has a 4 minute auto-off feature. When no key is pressed, or test run for 4 minutes the unit will shut off automatically in order to conserve battery power.
System settings
At the main test menu, choose System
Serial port output
Baud rate [ USB ]
Measurement & Operation
Described on the following pages are the specifics on how to obtain measurements with the
CCM-200 plus as well as the overall instrument operation protocols. Calibration, measurements, memory and data storage management and t he five operating modes and each key function are outlined in detail.
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Opti-Sciences, Inc. CCM-200 plus operator's manual
Measurements
Turn on the instrument. After a few seconds, the main menu screen appears.
Press the Run button.
Before measuring, use setup to select the correct parameters and test type.
Setup
Use the arrow keys to scroll through the options.
When the option of interest is displayed, select the edit button.
A cursor will appear. Use the arrow keys to highlight your selection.
Press the exit button when finished.
File name creation
To create a new file name, select edit from the "CCM200p Test Setup" screen. Use the right arrow to select the Data File. The File name manager screen will appear. "Use an existing file” will be highlighted. Use the up/down arrows to scroll through the options until “Enter a new name” is displayed. Press accept. The new file name screen will appear. Use the up/down arrows
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Opti-Sciences, Inc. CCM-200 plus operator's manual to scroll through numbers 0-9, and A-Z. To move to the next or previous characters, use the right and left arrows. Press accept to save the entry. The newly created file name is now set to be used for measurements. Press exit to return to the Test Menu.
Note: A newly created file name will not appear on the list of existing measuring files until a measurement has been made.
Using an existing file name
To select an existing measuring file, select edit from the "CCM200p Test Setup" screen. Use the right arrow to select the Data File. The File name manager screen will appear. "Use an existing file” will be highlighted. Press Accept. Use the up/down arrows to scroll through the available file names, and press accept when the one you want is highlighted. The accepted file name is now set to be used for measurements. Press exit to return to the Test Menu.
Calibration
Calibration is required every time the unit is turned on.
The unit’s detection system needs to check its chamber path. The user has to calibrate or “zero” the instrument each time the unit is powered up.
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Opti-Sciences, Inc. CCM-200 plus operator's manual
To Calibrate the unit, close the measuring chamber.
Important: make sure chamber is clear of any material.
Hold the chamber closed until the release arm message is displayed on the screen.
Calibration is not required in-between measurements, only when the system is powered up. The unit is ready to take another measurement once the current measurement is displayed.
Test Types
There are three test types on a standard CCM-200 plus.
Single point measurement
This test saves every data point. Place the sample in the chamber, and press the head closed. A value will appear when the test is complete. The next measurement may then be taken.
Multi-Point averaging
Multi-point averaging is used for some nitrogen management schemes. One can choose to average from 2 to 30 measuring points Please refer to the following papers for more details.-
(Shapero 2006) (Francis 1999) The papers listed here, use 30 point averaging and 10 point averaging respectively. Some crop consultants use fewer points to save time.
Multi-Point averaging with std. deviation flyer removal
This is the same test as listed above, but it will only allow averaging from 10 to 30 samples. If the difference between measurements is greater than 2 sigma, the instrument automatically throws out the measurement, and requires an additional measurement.
From the Test Menu and select setup.
Use the arrow keys to scroll through the various parameters available until the Test Type screen is displayed.
Test Menu
Measure Back Setup
[ 1 point no averaging ]
Average ## points[10]
Record point data [Yes]
Exit Edit
CCM200p Test Setup
Save Data [Yes]
Data File [FileName]
Exit Edit
Use vertical blue arrows
[ Multi-point average ]
Average ## points[10]
Record point data [Yes]
Exit Edit
[ Multi-point std. dev ]
Average ## points[10]
Record point data [Yes]
Exit Edit
Select Edit, and use the arrow keys to scroll through the options until Multi-point average is highlighted. Press the horizontal blue arrow until the Average ## points is highlighted. Use the vertical arrows to select the number of points to be averaged. Press the Enter button to accept the selection.
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Opti-Sciences, Inc. CCM-200 plus operator's manual
Note: If the Multi-point std dev option is chosen then the system will only allow averaging of between 10 and 30 points.
Press Exit go back to the test menu.
Press measure to start taking measurements, or if needed, calibrate the unit.
Place the sample under the measuring head and hold it closed until you hear a beep.
When using the one of the multi-point averaging modes, a measurement bar will appear on a graph for each measuring point. The number of measurements made, and last CCM measurement are also displayed.
When finished, the average of the Multi-point measurements is displayed. All measuring points are stored in the data file along with the calculated average.
The graphs may be reproduced in most spreadsheet programs if desired.
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Opti-Sciences, Inc. CCM-200 plus operator's manual
Enter Comments for measurements
If desired, a comment can be entered for each measurement. It may also be entered only when change is made, such as measuring location or sample type. The comment will only appear with the specific measurement. However, because there is a time stamp in the data file, all measurements below the comment line can be related to that comment.
To use the comment function follow the chart below. Alpha-Numeric characters may be entered using the vertical blue arrows below the screen. The horizontal arrows move the black cursor left and right. Comments of up to 20 characters may be entered. When done, press Enter. Back out to the measuring screen and continue measuring.
See the next page for a screen by screen diagram of how to enter comments.
Comments are entered by pressing Info on measuring screens.
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Opti-Sciences, Inc.
Graphic display of Comment entry
CCM-200 plus operator's manual
OSI
1:58:51
Run Data System
Test Menu
Measure Back Setup
Clear sample area
and hold down arm
to calibrate.
Back
Press Overwr or Append to go to the screens below
Sample number ----
1 pt — — — —
Info Exit Delete
!Warning!
File already exists
Select next action.
Overwr Cancel Append
Sample number ----
Ave — — — —
Info Exit
Sample number ----
StDev — — — —
Info Exit
Measuring screens
Sample number ----
Ave — — — —
Delete Back
Ave Pt: 04
Ave — — — —
Delete Back
Storage Info
Data File: nitro1
Free Space: 7350KB
Back Comment
Enter Comment:
[ ]
Esc Enter
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Opti-Sciences, Inc. CCM-200 plus operator's manual
Data Management
Transfer data by USB
This is the recommended way to transfer files because it is the easiest way to do it.
Press cancel before unplugging the USB cable. Do not turn off the system until either the USB cable has been disconnected or the cancel button has been pressed. The message below will appear.
Make sure that under system set up, USB has been selected under Baud Rate. See system set up for more details.
Enter the data management screen by pressing the Data button
Connect a USB Cable between the unit and a PC
After connecting the USB cable, a storage device window will probably appear on your PC. The window asks you to select the correct viewing method. Select “Open window to view files using
Windows Explorer”. If this window does not appear, then go to Windows Explorer and My
Computer. Find the new drive that is usually listed as a letter and then CCM2p. When you see the files on the drive, right click the data files and copy them to the host PC. Then you can open the file with most spreadsheet or data processing programs.
Press cancel on the instrument before unplugging the USB cable.
Sending data by RS232.
USB is the recommended method of transferring files. Only use the RS232 port for data transfer if USB is unavailable.
The RS-232 jack is located at the bottom of the instrument. Only use the cable supplied by Opti-
Sciences. A serial cable is not supplied, however it is available at no charge upon request.
Connect the RS232 cable to the CCM-200 plus and the host PC.
Enter the data management window by pressing the data button form the main menu.
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Opti-Sciences, Inc. CCM-200 plus operator's manual
Open a terminal emulation program, such as Hyperterminal (included with most installations of
Windows).
Communication Settings
Data is sent in an ASCII text format with carriage returns separating each point. The default host settings are 9600 baud, 8 bit, 1 stop bit, no parity, and no handshaking. This mode is ignored if no data has been saved to memory yet.
Baud rates for the Serial port may be changed by going to the main test screen and pressing system. Next press Setup, and scroll down to Serial Port Baud rate with the arrow keys. Press
Edit, and scroll through the values until the correct setting is found.
To initiate the data transfer, press Access and then Output
Select the file you want to send, and press Send. A status screen will display during the transfer.
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Opti-Sciences, Inc. CCM-200 plus operator's manual
Technical Specifications
Measured Parameters: Optical Transmittance at 653nm., and at 931nm.
CCI = % Transmittance at 931nm. / % Transmittance at
653 nm.
Measurement Area: 3/8” diameter circle, or 9.53 mm diameter circle
area 0.11in
2 , or 71.22 sq mm 2
Repeatability:
+/- 5%
Accuracy Determined by correlation with chemical analysis
Sample Acquisition Time:
2-3 Seconds
Source:
2 LEDs
Detector:
Silicon photodiodes with integral amplifier for absorbance measurement and source power monitoring for temperature compensation
Storage Capacity: More than 100,000 data points
User Interface: 50mm X 15mm graphic display screen, 8 keys for control and data manipulation, audible alert for status and warnings
Input and Output:
A mini USB port is provided as the main data transfer port.
An RS-232 port can also be used for data transfer
The RS232 port is also used with a compatible GPS receiver for integrated measurement and location data.
Operating temperature range:
0-50 o C.
Temperature drift: Temperature compensated source and detector circuitry for minimum drift over full range.
Battery:
9V alkaline cell
Auto-off interval: 4 minutes (with no key press or download)
Weight:
168g (not including battery)
Dimensions:
152(L)x82(W)x25(D)mm
GPS option:
The single pin RS232 port is used for GPS. Location data is saved with measuring data for each measurement in the measuring file.
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Opti-Sciences, Inc. CCM-200 plus operator's manual
ERROR CODES
The error codes describe the problem encountered.
Error Codes miscellaneous message text info for version 1.3a 5/11 rr
Boot up message: errors with uSD memory:
"SD init error"
"Continue"
"SD error #xx"
"on command #xx"
"NV load error"
"Continue"
Fix:
If you get any of the 3 errors above, first take out the battery, hold the power switch for 30 sec, then replace battery. If error goes away ok, else the unit will probably need to come in for service.
" ! Error Warning !"
"File System Corrupt!"
"Perform Format on Unit"
"Continue"
Fix:
This error occurs if the uSD card is corrupted. We saw this when the power was switched off while still in transfer mode. It may also be caused by disconnecting the unit before stopping communications with the PC. The power off event was fixed in software version version 1.05. If you have an earlier version of software the following process may be used to reset the instrument:
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Opti-Sciences, Inc. CCM-200 plus operator's manual
Reconnect the CCM to the PC. Go to My Computer, find the CCM200 drive, and right click the drive. Left click Format, and then left click Start. This will reformat the drive. All data that was on the instrument will be lost. With earlier versions of software, it is important to either push the cancel button or disconnect the USB cable before turning off the instrument.
Message during app upgrade:
" CCM200p LOADER"
" Updating Application "
" Please Wait!"
This message is displayed during an application upgrade.
" ! nvRAM Init !"
This message will sometimes follow a software update. It may also appear after the unit is formatted by the PC. It indicates that the system defaults are being restored. It should not appear every time the unit is turned on. That would indicate a uSD card fault.
Test errors:
"Custom file not found!"
"CCI units will be used"
Fix:
This message will appear if the "Use custom measurementunits [Yes]" setting is selected. It means that the lookup table for this feature is not present. Simply turn feature off to clear the message.
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Opti-Sciences, Inc.
"Warning! Average must "
"be>=10 pts for std dev"
"mode. A setting of 10 "
"points will be used."
CCM-200 plus operator's manual
Fix:
This message will appear for the standard deviation test mode when the number of samples is less than 10 points. It must be 10 or greater.
" !! Warning !!"
" Drive is Full"
Fix:
This will appear if the devices memory is full. Delete some unused data to remedy this problem.
"Sample too dense"
Fix:
This message warns that the amount of signal absorbed by the sample is too great for reliable measurements. Try locating to a different part of the sample.
" Hold arm down "
" for whole test!"
Fix:
This message appears if the sample chamber is not closed for the duration of the test.
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Opti-Sciences, Inc.
"Light Leak!"
CCM-200 plus operator's manual
Fix:
This message indicates that there is too much light present during the test zero phase. This may be due to worn gaskets or non-flat samples. Return to Dealer for repair.
Calibration errors:
"Clean Sample Chamber!"
Fix:
This message occurs during a calibration if the amount of light through the chamber is below a certain level. This may be due to dirt on the diffusers or debris in the sample area. It may also be caused by a mechanical or electrical problem. Clean chamber and re-try first then contact service.
"Source/Detector Fail!"
Fix:
This message indicates that the unit has detected a fault with one of its sensing components. It should be referred back to the factory of inspection.
"Chamber Light Leak!"
Fix:
This will occur with worn gaskets or possibly a defective detector. Contact service for new gaskets or other instructions.
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Opti-Sciences, Inc.
Data view & output errors:
"File is Corrupt!"
CCM-200 plus operator's manual
Fix:
This error may occur due to a file being corrupted by an aborted transfer to the PC or by removing the unit’s battery instead of using the power switch to turn the unit off.
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Opti-Sciences, Inc. CCM-200 plus operator's manual
Technical Support
Opti-Sciences provides technical support for all products, either directly to end users or through our distributors. Please contact your local representative, or contact Opti-Sciences directly for questions including technical assistance, instrument maintenance and repair. Warranty service period is determined by instrument serial number. Please have the serial number available when making service inquiries.
In North America, contact:
Opti-Sciences, Inc.
8 Winn Avenue
Hudson, NH 03051
USA
Tel: (603)883-4400
Fax: (603)883-4410
Internet: www.optisci.com e-mail: [email protected]
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Opti-Sciences, Inc. CCM-200 plus operator's manual
References:
Knighton N. Bugbee B. A comparison of Opti-Sciences CCM-200 Chlorophyll Meter and the
Minolta SPAD 502 Chlorophyll Meter Crop Physiology Dept, Utah State University
CATE T. M. , and PERKINS T. D. (2003) Chlorophyll content monitoring in sugar maple (Acer saccharum) Tree Physiology 23, 1077–1079© 2003 Heron Publishing—Victoria, Canada de Carvalho J. F.Gonçalves (2008) 1,3, Ulysses Moreira dos Santos Junior1 e Emerson Alves da
Silva2 Evaluation of a portable chlorophyll meter to estimate chlorophyll concentrations in leaves of tropical wood species from Amazonian forest (2008) Hoehnea 35(2): 185-188, 1 tab., 1 fig., 2008
ELLISON A. M. AND FARNSWORTH E. J., (2005) THE COST OF CARNIVORY FOR
DARLINGTONIA CALIFORNICA (SARRACENIACEAE): EVIDENCE FROM
RELATIONSHIPS AMONG LEAF TRAITS1 American Journal of Botany 92(7): 1085–1093.
2005.
Fracheboud Y., Luquez V. , Björkén L. , Sjödin A. ,Tuominen H., and Jansson S. The Control of
Autumn Senescence in European Aspen Plant Physiology 149:1982-1991 (2009)© 2009
American Society of Plant Biologists
Francis D.D. and Piekielek W.P. Assessing Crop Nitrogen Needs with Chlorophyll Meters,
(1999) Site-Specific Management Guidelines series is published by the Potash & Phosphate
Institute (PPI) Coordinated by South Dakota State University (SDSU) Coordinated by South
Dakota State University (SDSU) # SSMG-12
Gielen B.,*, Lo¨w M., Deckmyn G., Metzger U., Franck F. , Heerdt C. , Matyssek R. , Valcke R. and Ceulemans R., (2007) Chronic ozone exposure affects leaf senescence of adult beech trees: a chlorophyll fluorescence approach Journal of Experimental Botany, Vol. 58, No. 4, pp. 785–
795, 2007
Jamil M. and Rha E.S., Effect of Different Water Table Treatments on Cabbage in Saline
Saemangeum Soil, Salinity and Water Stress Volume 44
Jamil M. J.; Rehman S.; Lee K J.; J Kim J.M.; Kim H. S.; Rha1 E. S., (2007) SALINITY
REDUCED GROWTH PS2 PHOTOCHEMISTRY AND CHLOROPHYLL CONTENT IN
RADISH Sci. Agric. (Piracicaba, Braz.), v.64, n.2, p.111-118, March/April 2007
KARDEL F., WUYTS K., and SAMSON R. (2010) Foliage responses of urban plants to urban habitat quality in the city of Gent, Belgium CLIMAQS Workshop ‘Local Air Quality and its
Interactions with Vegetation’January 21-22, 2010, Antwerp, Belgium
Knighton N. Bugbee B. A comparison of Opti-Sciences CCM-200 Chlorophyll Meter and the
Minolta SPAD 502 Chlorophyll Meter
Liberloo M. , Tulva I., Raïm O., Kull O. and Ceulemans R. (2007) Photosynthetic stimulation under long-term CO2 enrichment and fertilization is sustained across a closed Populus Blackwell
Publishing Ltd New Phytologist (2007) 173 537–549
Martin, L.T. Pezeshki, S.R. Shields, F.D. Jr. (2004) USDA, ARS High Oxygen Level in a
Soaking Treatment Improves Early Root and Shoot Development of Black Willow Cuttings.
Scientific world. 2004 Oct., v. 4, p. 899-907.
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Opti-Sciences, Inc. CCM-200 plus operator's manual
Morris J (2008) Macrotyloma axillare and M. uniflorum : descriptor analysis, anthocyanin indexes, and potential uses Genetic Resources and Crop Evolution
Volume 55, Number 1 / February, 2008 Pg 5-8
Morris J., Wang M., Patrick D. Biber P. D.,(2007) Evaluating a Chlorophyll Content Meter on
Three Coastal Wetland Plant Species. Journal of Agricultural Sciences Volume 1, Issue 2, 2007
Issue 1934-7235
Pagter M., Liu F., Jensen C.R. K.K. Petersen ( 2008) Effects of chilling temperatures and short photoperiod on PSII function, sugar concentrations and xylem sap ABA concentrations in two
Hydrangea species Plant Science Volume 175 Issue 4 Oct 2008 pages 547-555
Rodrigo M. C., López D., Carazo N. , Ramos C. (2001) NITRATE SAP AND CHLOROPHYLL
METERS AS NITROGEN MONITORING TOOLS FOR ARTICHOKE GROWN IN SAND
CULTURE ISHS Acta Horticulturae 747
Shapiro C.A. , Schepers J.S., Francis D.D. Shanahan J.F. Using a Chlorphyll Meter to Improve N
Management (2006) NebGuide, University of Nebraska- Lincoln Extention, Institute of
Agricultural Resources #G1632. Index: Soil Resource Management Fertility, issued October
2006.
Sjödin1 A. , Wissel1 K., Bylesjö M., Trygg J., Jansson S. (2008) 1 Global expression profiling in leaves of free-growing aspen BMC Plant Biology 2008, 8:61 doi:10.1186/1471-2229-8-61
Urso G. D , Dini L., Vuolo F., Alonso L., Guanter L. (2003) RETRIEVAL OF LEAF AREA
INDEX BY INVERTING HYPER-SPECTRAL, MULTI-ANGULAR CHRIS/PROBA DATA
FROM SPARC 2003 Proc. of the 2nd CHRIS/Proba Workshop, ESA/ESRIN, Frascati, Italy 28-
30 April (ESA SP-578, July 2004)
Van den Berg A. K., Perkins D. (2005) Non destructive Estimation of Anthocyanin Content in
Autum Sugar Maple Leaves HortScience 40(3):685-686 2005
Van den Berg A. K., Perkins D. (2004)Evaluation of a portable chlorophyll meter to estimate chlorophyll and nitrogen contents in sugar maple (Acer saccharum Marsh.) leaves, Forest
Ecology and Management 200 (2004) 113–117
WANG A.,ZHANG C. ,WU C. ,GAO M. (2008) Study on a Fast Method of Testing Chlorophyll
Content in Maize Journal of Maize Sciences 2008-02
Yongxiu L., Maarten K,and Wim J. Soppe J. (2007), The Absence of Histone H2B
Monoubiquitination in the Arabidopsis hub1 (rdo4) Mutant Reveals a Role for
Chromatin Remodeling in Seed Dormancy The Plant Cell, Vol. 19: 433–444, February 2007, www.plantcell.org ª 2007 American Society of Plant Biologists
ZAEFYZADEH1 M., QULIYEV R. A. , BABAYEV S.M., ABBASOV M. A. (2009)
The Effect of the Interaction between Genotypes and Drought Stress on the Superoxide
Dismutase and Chlorophyll Content in Durum Wheat Landraces Turk J Biol 33 (2009)
1-7 © TÜBÄ°TAK
References and further reading may be available for this article. To view references and further reading you must purchase this article.
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Key Features
- Non-Destructive Measurement
- Lightweight, Hand-Held Design
- Optimized for Field Work
- Battery Operated
- Accurate Reliable, Easily Repeatable Measurements
- Internal Data Logging
- Stand Alone Operation- No PC is Required
- Simple to Use
- Rapid Test & Data Acquisition
- Single reading; averaging of multi-point readings, or averaging of 10 to 30 readings with standard deviation elimination function, used to throw out readings that are outside of a two sigma range.
Frequently Answers and Questions
What is the purpose of this device?
How does the CCM-200 plus work?
How do I use the comment function?
Related manuals
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Table of contents
- 2 Table of contentsTABLE OF CONTENTSINTRODUCTION 2INTRODUCTION 3WELCOME! 3List of Equipment 3About the Instrument 3Applications & Features 4Applications 4Features 4How it Works 5Physical Features 6OPERATION OVERVIEW 6System settings 7Measurement & Operation 7Measurements 8Setup 8Calibration 9Test Types 10Single point measurement 10Multi-Point averaging 10Multi-Point averaging with std. deviation flyer removal 10Enter Comments for measurements 12DATA MANAGEMENT 14Transfer data by USB 14Sending data by RS232. 14Communication Settings 15TECHNICAL SPECIFICATIONS 16ERROR CODES 17TECHNICAL SUPPORT 22REFERENCES: 23
- 3 Welcome!
- 3 List of Equipment
- 3 About the Instrument
- 4 Applications & Features
- 4 Applications
- 4 Features
- 5 How it Works
- 6 Physical Features
- 6 Operation Overview
- 7 System settings
- 7 Measurement & Operation
- 8 Measurements
- 8 Setup
- 8 File name creation
- 9 Using an existing file name
- 9 Calibration
- 10 Test Types
- 10 Single point measurement
- 10 Multi-Point averaging
- 10 Multi-Point averaging with std. deviation flyer removal
- 12 Enter Comments for measurements
- 14 Data Management
- 14 Transfer data by USB
- 14 Sending data by RS232.
- 15 Communication Settings
- 16 Technical Specifications
- 17 ERROR CODES
- 17 Fix:
- 17 Fix:
- 18 Message during app upgrade:
- 18 Test errors:
- 18 Fix:
- 19 Fix:
- 19 Fix:
- 19 Fix:
- 19 Fix:
- 20 Fix:
- 20 Fix:
- 20 Fix:
- 20 Fix:
- 21 Fix:
- 22 Technical Support
- 23 References: