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1. Attempt to store a value over an existing value Cause Improper unit shutdown Example Removing batteries and powering the unit back on to store values in the Datalogger Solution Download Datalogger values to PC or printer and erase memory If a message with a different number where to appear please contact Demeq Appendix 33 QC3 User Manual Our website www demeq com Our website is a powerful customer support tool where you will find the latest information as it relates to your QC3 including e Application notes e Manuals and brochures e Software updates Model upgrade license information New accessories Software updates To download software updates to your QC3 you must have DataCenter installed on your PC To download the latest updates for your unit refer to www demeg com Download html Technical support Our service department is committed to providing prompt and courteous service Should you encounter any trouble with your QC3 please send us a detailed description of your problem to www demeq com form_Support html 34 Appendix P N QCD301 ENG Rev 1 2014 dmq2. The QC3 has the following capture modes Manual touch the key to store values Single each time the probe is coupled a thickness measurement is stored no other value is stored until the probe is coupled again In this mode values can also be stored with the key Continuous when the probe is coupled thickness measurements are continuously 20 Chapter 3 QC3 User Manual 3 3 5 Free memory Free Free memory is followed by a number representing the remaining memory that is available to store data and is represented in number of cells Touch on Free to view the remaining number of free cells and the free memory space as a percentage of the unit total memory Free Henory Free Henory Figure 3 12 Remaining memory screens 3 4 General configuration options Conf igure Touch on the Configure option to open the general configuration options menu liber Hod Use the ATV keys to scroll the menu olibr Mode pa Group N 5 Language FY Touch to select any of the menu options Key Sense 58 Auto ff 3 Touch G to exit and to return to the previous menu Contrast 16 Beep Continuous Hold Last Information K KJ Figure 3 13 General configuration options menu Chapter 3 21 QC3 User Manual 3 4 1 Calibration modes Colib Hodes Touch on Calib Modes to select the calibration mode that you will be using to calibrate the unit For details on each calibration mode see section 2 4 of this manual Us
3. standard deviation English Spanish Portuguese Capacity of 5000 values with manual and automatic capture modes USB native or RS232 optional Graphic LCD 128 x 64 pixels with LED backlight illumination and contrast adjustment Touch sense with no mechanical parts and sensitivity adjustment 100 hours with 2 each type AA batteries 10 C to 50 C High impact ABS with rubber sides Size is 78x117 x24 mm 200 g with batteries 29 QC3 User Manual QCS101 F NF Probe Specifications Measuring principle Magnetic induction Eddy currents Measuring range O to 1500 um 0 to 60 Mil Resolution 0 to 99 9 um 0 1 um Above 100 um 1 um 0 to 4 99 Mil 0 01 Mil Above 5 0 Mil 0 1 Mil Materials Ferrous lron Steel Magnetic Stainless Steel Materials Non Ferrous Aluminum Copper Bronze Brass Min base thickness 0 1mm Non Ferrous 0 3mm Ferrous Min convex radius 2 mm Ferrous 5 mm Non Ferrous Min concave radius 25 mm Ferrous Non Ferrous Min sample 5mm Probe dimensions 12x92 mm Probe weight 50 g approx Except in 1 Point and Base only calibration modes where errors could be greater To obtain better results calibrate using shim values that are as close as possible to the actual coating thickness 30 Appendix QC3 User Manual Additional information Unit maintenance The QC3 was developed and manufactured for years of trouble free operation and even thou
4. AIV keys and a contrast window will open Move your finger towards the top and or bottom of the dotted line to adjust the contrast on your display Figure 1 7 Display contrast adjustment 1 6 Locking and unlocking the keypad To lock the keypad place your finger on the white dot located in the center of the horizontal scrolling bar between the keys Move your finger to the right following the dotted line and a window on the unit display will open with the message Lock see figure 1 8 Continue moving your finger in the same direction until you enter blocked mode The window on the display will close and the blocked keypad indicator will show on the top right of the unit screen Locked Indicator ti ti 8 re re Lock in sk OL X 98 7 Woah X 98 7 Nosy gt dai x 98 7 H m0 1 To Figure 1 8 Locking the keypad Chapter 1 7 QC3 User Manual Sliding the finger to the left will unlock the keypad amp AO Fz x 98 7 N o aD x 98 7 Nom 3 Jm x 98 7 N o Important The keypad can only be locked and unlocked in the Figure 1 9 Unlocking the keypad measuring screens 8 Chapter 1 QC3 User Manual 2 Measuring with the QC3 2 1 Measuring screen The QC3 measuring screen looks like this o 98 55 je o 98 7 x 98 7 Hiem vie Figure 2 1 Measuring screen 1 Number of N values counter indicates number of values for real time group statis
5. DLF Soft 1 861 081 VH 801 019 Serial 88125 28 18 13 KDev 88828 Hard 881 881 OS 1 601 081 UDev 88883 V 28 82 14 28 18 13 Addr 81 Figure 3 21 Unit information screens 26 Chapter 3 QC3 User Manual To switch between unit information screens touch the EJ EZ keys To return to the main menu touch 3 5 2 Probe information Probe Info Probe Inf Select Probe Info to view all information as it Sedat ars 101 relates to the probe that is connected to the Rose Ferrous unit Touch any key to exit Serial 128 Figure 3 22 Probe information screen 3 5 3 Model upgrade licenses License QC3 models without a Datalogger can be changed to units with a Datalogger with the purchase of a model upgrade license from Demeg We will need to know the following information e Unit model Unit serial number Touch on License and use the cursor keys to enter the license number and touch Password Figure 3 23 Enter license screen Chapter 3 27 QC3 User Manual Tips on how to measure correctly In order to obtain reliable measurements calibrate on the same type of base as the parts that you will actually be measuring Highest accuracy is obtained when you are closest to the calibration point This means that whenever possible you should use shims that are as close as possible to the thickness that you expect to measure Use the probe gently over the test piece that you will be measuring There is no need to p
6. QC3 or download the manual at http www demeq com Download html 18 Chapter 3 QC3 User Manual Note i The option of transferring values to a PC is only available 7 in QC3 models with a Datalogger DL In the QC3 F and N values cannot be transferred 3 3 2 View data stored values View Data Touch on View Data to view the contents of the unit memory that appear in a grid format Use the cursor keys to move within the grid Touch to exit Figure 3 8 View data screen memory in a grid format 3 3 3 Erase memory Crase The Erase action permanently deletes all files stored in the unit memory and recovers 100 of the memory capacity Before files are deleted a screen will be displayed asking you to confirm or to cancel this action Touch to cancel and return to the previous menu or touch to begin deleting all files Erase ALL Figure 3 9 Erase confirmation screen Chapter 3 19 QC3 User Manual When the erase all action has been confirmed the following screens will be displayed Erase ALL Erase ALL say gt 1007 Erasing Done Figure 3 10 Erase progress screen When erasing is completed only empty cells will be displayed in the unit memory grid 3 3 4 Capture modes Capture Touch on Capture to select the mode in which values will be stored in the Datalogger Tanual Single Continuous 2 p ai AA Figure 3 11 Memory capture modes menu
7. User Manual Coating Thickness Gauges Q dma QC3 Models F N DLF DLN www demeg com QC3 User Manual Coating Thickness Gauges P N QCD 301 ENG Rev 01 March 2014 Index Chapter 1 Chapter 2 Chapter 3 1 1 1 2 1 3 1 4 15 1 6 2 1 2 2 2 3 2 4 3 1 3 2 3 3 QC3 User Manual First steps Know the QC3 1 1 1 Front panel 1 1 2 Connectors Install and replace batteries Connecting the probe The Q key Display illumination and contrast 1 5 1 Display backlight illumination 1 5 2 Display contrast Locking and unlocking the keypad Measuring with the QC3 Measuring screen Keypad functions in all measuring screens Statistics screen Calibration 2 4 1 Getting started with calibration 2 4 2 Base calibration 2 4 3 Shim calibration Menu system and editing Instructions on using the menu system Main menu 3 2 1 Change unit 3 2 2 Alarm settings Memory menu 3 3 1 Connecting to a PC with DataCenter 3 3 2 View data stored values 3 3 3 Erase memory NN ODD UWN gt 10 11 11 11 13 15 16 16 16 17 18 19 19 QC3 User Manual 3 4 3 5 Appendix 3 3 4 Capture modes 3 3 5 Free memory General configuration options 3 4 1 Calibration modes 3 4 2 Set keypad sensitivity 3 4 3 Group size N for statistics 3 4 4 Select language 3 4 5 Set auto off time 3 4 6 Adjust display contrast 3 4 7 Beep activation 3 4 8 Hold last measurement 3 4 9 C
8. al scrolling center point adjust LCD contrast 1 1 2 Connectors Figure 1 2 Unit connectors 1 Probe connector type Lemo OB 2 USB mini connector to connect to PC using a USB cable 2 Chapter 1 QC3 User Manual 1 2 Install and replace batteries The QC3 is powered by 2 two AA batteries that are placed in the battery compartment located in the back of the unit To gain access to the battery compartment slide the cover as shown in figure 1 3 1 and gently push the extraction ribbon upward and slightly towards the right to release the batteries figure 1 3 2 When you install new batteries first insert the positive end of each battery so that it coincides with the positive pole inside the battery compartment as you see in figure 1 4 1 Always leave the extraction ribbon underneath the batteries AA Size 1 ay hi Extraction Ribbon Sai AA Size 1 5V l AGL 8ziS Ww Battery compartment cover Figure 1 3 Removing batteries Chapter 1 3 QC3 User Manual AS i azis vy EE Battery compartment cover Figure 1 4 Replace Insert batteries Notes Always use new alkaline top brand batteries for extended battery life Do not mix new and old batteries Always replace both batteries Rechargeable batteries type NiMH can be used but will result in less time of continuous operation 4 Chapter 1 QC3 User Manual Do not remove batteries while the unit is po
9. at are explained in detail in this section of the user manual The following table summarizes all 3 calibration modes Abbreviation AEG PT1 Samples se earn 109 ter oie O ta9 ese Baseonty O ta9 2 4 1 Getting started with calibration To begin the calibration process make sure you are in the measuring screen and then touch the key 2 4 2 Base calibration If the calibration mode you selected requires base calibration measuring an uncoated base this is the first screen that will appear on the unit Cal mo o Measure the uncoated O rl sample omer eO Figure 2 3 Base calibration screen 1 Indicates the type of base as well as its uniformity 2 Probe action requested lower raise or wait 3 Probe status 4 Type of sample request Base Shim Chapter 2 ii QC3 User Manual 5 Text indicating required action 6 Calibration mode When base measurements are taken the screen will show the number of measurements Then depending on the calibration mode you are in the unit will give you the option to move on to the following step The first line shows the number of A measurements followed by the value of the n3 B 2pn0 last measurement The second line shows the X 1 340 average for the number of measurements FE Shia I that you already took Figure 2 4 Number of samples in base calibration screen The graphic representation of th
10. e the ATV keys to scroll all menu options and touch to select Touch Ray to exit Figure 3 14 Calibration modes menu ase amp 1 Pt 1 Point Bose Only sane D Oo 0 3 4 2 Set keypad sensitivity Key Sense This option allows you to set the keypad sensitivity The number that you set here has a direct relationship to the sensitivity of your keypad meaning that the higher the number the more sensitive the keypad becomes Touch on Key Sens and use the AFV keys to change the keypad sensitivity Touch to save and the keypad will already be working with the new sensitivity level Key Sense Key Sense 30 S Ok Figure 3 15 Key sensitivity setting and confirmation screens To confirm the change in sensitivity touch gt If you touch any other 22 Chapter 3 QC3 User Manual key or the on screen counter reaches 0 0 the sensitivity will return to its previous setting The factory default setting is 50 Under special conditions we suggest that the sensitivity level be changed a If the unit will operated using security gloves we Z recommend that the sensitivity level be raised To make the keypad harder simply lower the sensitivity level In applications where the front of the unit may be exposed to water and or vapors the sensitivity should be lowered 3 4 3 Group size N for statistics Group lt H Touch d to set the number N of values that the unit will use to calculate sta
11. e type of base is also indicative of the base condition When dirt corrosion and or other surface irregularities are present on the base material the graphic will turn less uniform Sharper teeth mean less uniformity of the base material FE FE FE FE FE Se Base Irregularity Figure 2 5 Base material condition indicator Touch to end the base calibration and continue the calibration procedure using one or more shims of a known thickness values The shim option will not appear in the Base Only calibration mode 12 Chapter 2 QC3 User Manual 2 4 3 Shim calibration After the base calibration procedure is concluded the unit will ask you to measure using a shim of a known thickness For the calibration modes that do not require base calibration the calibration process begins here Follow the on screen instructions and measure the shim of a known thickness value Measure the ist shim on over the base the sample BFP Figure 2 6 Shim calibration screen When shim measurements are taken the unit will display the number of measurements and depending on the calibration mode you are in the option to edit the measurement may or may not appear on the unit screen The first line shows the number of measurements followed by the value of the n 34bra last measurement The second line shows the 348 rn average for the number of measurements that dit I you already took Figure 2 7 Number of samples in s
12. ed instead of regular numbers Light Visible alarm that activates the display backlight illumination causing it to flash 3 3 Memory menu Henory Select Memory from the main menu to view all menu options for the Datalogger This chapter explains how to create organize and view files Connect i onne y iew Data View Data ra Erase ALL Erase ALL Capture Zaa Free 1995 QC3 DLF DLN QC3 F N Figure 3 6 Memory menu options according to unit model Chapter 3 17 QC3 User Manual All QC3 models have a memory to store up to 5000 values that can be viewed on the unit screen and on DL models values can be transferred to a PC via USB 3 3 1 Connect to a PC with DataCenter Connect Touch on Connect to enter the waiting to connect mode Touch to exit and cancel the connection onnect ne Connect For ALL rll r3 CSSSSSS SSA Fi Les Connect USB Configure Texit Figura 3 7 Connecting to a PC With the unit in waiting to connect make sure that the USB or the RS232 cable depending on the type of connecting cable that you are using is properly connected to both the unit and the PC and click on lt Connect gt in DataCenter When a successful connection is established the files in your unit memory will appear in DataCenter To view their contents simply double click on each file For additional information on dmq DataCenter software refer to the manual included in the CD that you received with your
13. gh the unit does not require special care the following precautions should be considered e Avoid contact with corrosive and abrasive substances Do not clean the unit with solvents e Do not leave the unit display exposed to direct solar light for prolonged periods of time as this could damage the display Remove the batteries if the unit will be stored for an extended period of time Remove the probe using the connector and not the cable e Do not twist or strangle the probe cable Do not expose the unit to temperatures below 10 C 14 F or above 50 C 122 F Appendix 31 QC3 User Manual QC3 Accessories dmg part Description a QCM 300 QCM 001 QCS 101F QCS 101N QCS 102F QCS 102N QCS 103F QCS 103N QCR 001 F QCR 003 QCR 101 QCR 102 QCL 301 For additional information and accessories for your QC3 visit www demeg com Accessories QC html QCR 002 Mid range value shim between 100 and 500 um 32 Appendix QC3 User Manual Error messages Error messages may eventually open on your unit screen and are informational only If one of these messages opens on your display follow the instructions described below and if the problem persists please send us a detailed report at www demeq com form Support html Sys Hessooe Figure A 2 System error message Erori Internal Error Cause Internal Error Solutions Shutdown the unit wait a few seconds and power back on Contact Demeg
14. him calibration screen Select Edi t touching the key to adjust the average value to the nominal value of the shim For the methods above the unit will activate the thickness measurement editor only when the required number of samples have been taken Chapter 2 13 QC3 User Manual Use the arrow keys to adjust the thickness to Shim 1 the nominal shim value and touch to Adjust z 3b save CAAA Figure 2 8 Shim calibration thickness adjustment screen Important i When the probe is placed on the test piece simple the probe action indicator represented by an arrow gets converted to a sand watch Here you need to maintain the probe on the test piece until the arrow asking you to raise the probe appears on the unit display Cal z FE FE FE Lower Probe Wait Raise Probe 14 Chapter 2 QC3 User Manual 3 Menu system and editing 3 1 Instructions on using the menu system The instructions explained in this chapter apply to all of the menus in the unit To scroll QC3 menu options use the AIV cursor keys When you reach the end of the menu and move to the next menu option it becomes circular as shown herein hilha Spani ish pa anish af Portuguese iis Figure 3 1 Example of how a circular menu works To select a menu option touch and to exit and return to the previous menu touch kal To go to the measuring screen touch Kaa from the main menu or touch EJ from any other menu in the u
15. in this manual applies to all QC3 series portable hardness testers including models F DLF N and DLN Registered trademarks dmq is a registered trademark of Demeq S R L and its affiliate companies Important notice The information contained in this manual is intended to educate users on the operation of the QC3 coating thickness gauges Failure to read and understand this manual can lead to measurement errors Decisions based on measurements and or results that are erroneous can lead to property damage personal injury or even death Demeg S R L assumes no responsibility as a result of the improper use of our instruments User training Correct use of a coating thickness gauge requires Knowing your test requirements Having a trained operator This manual provides all of the information needed to configure and operate QC3 coating thickness gauges However there are additional factors that can affect tests done with this instrument Specific information on those factors is outside the scope of this manual When in doubt you should always seek expert advice or refer to specific textbooks on coating thickness testing Additional information can also be found on the internet and through local government agencies as IV QC3 User Manual well as in technical institutes Measuring Principle When a low frequency magnetic field is applied on a ferrous substrate the signal induced by the coil inside the probe is proportional to
16. nit Cal Hil ic cin 984 Henory X 98 7 N fomp Ee Cfg Measure fisas Figure 3 2 Going to the measure screen Chapter 3 15 QC3 User Manual 3 2 Main menu The main menu is the first list of options you will see when you exit the measuring screen and it includes the most important unit settings l Touch G from the measuring screen to Alarmas 1 access this menu Henoria Configurar Figure 3 3 Main menu 3 2 1 Change unit Unit Touch on Unit in the main menu to open the list of available units Use the ATV keys to scroll the menu Hil Inch ra Touch to select the unit Touch E A to save and exit this menu Figure 3 4 Unit options menu 3 2 2 Alarm Settings Alarms The QC3 has high and low alarm conditions that alert the operator when the measurement is greater than the value set for the high alarm and or when the measurement falls below the value set for the low alarm Touch on Alarms to open the alarm menu options Touch on High or Low to open the numbers editor where you can set alarm values using the cursor keys 16 Chapter 3 QC3 User Manual Touch to save the alarm value that you entered and to return to the previous menu mid Low 88 8 Beep Screen Light Figure 3 5 Alarm menu options Alarm types that you can choose include Beep Audible intermittent alarm type Screen Visible alarm that causes measurements to be displayed in dott
17. ontinuous measurement mode Information and license 3 5 1 Unit information 3 5 2 Probe information 3 53 Model upgrade licenses Tips on how to measure correctly Technical specifications Additional information Unit maintenance QC3 accessories Error messages Our website www demeq com Software updates Technical support 20 21 21 22 22 23 23 24 24 25 25 26 26 26 27 27 28 29 31 31 32 33 34 34 34 QC3 User Manual Thank you choosing dmaq And thank you for purchasing a QC3 coating thickness gauge Company Statement At dmq we develop manufacture and distribute software and quality control instruments offering innovation and solutions that come as a direct result of listening to your needs as a user We apply some of the latest technology available in the industry to build instruments that are robust precise and easy to operate We are convinced that our products would not be complete without permanent technical and after sales support So in addition to a great product we offer Quick answers to your inquiries e Unlimited access to technical information as well as application notes e Special offers for registered customers e Firmware and software upgrades at no charge e Attention to your inquiries and suggestions We hope that the QC3 will meet and exceed your application needs QC3 User Manual General information Models included in this manual The information included
18. ress hard Do not use lubricants on the probe or any of its components and clean using a dry cloth Avoid measuring edges to minimize errors It is always best to measure away from test piece edges When measuring very thin substrates or irregular surfaces avoid using 1 point and Only Base calibration modes Shims can be overlapped placed over one another in order to obtain thicker values But labels should not overlap and should remain visible at all times dma QCP003 755um 27 72mils 253um 9 96mils Oma Qcroo2 Correct Incorrect 28 Appendix QC3 User Manual Technical Specifications Measuring principle Probes Materials Ferrous Materials Non Ferrous Units Resolution QCS101 Probe Measuring range Accuracy Measurement velocity Calibration modes Alarms Statistics Languages Datalogger Connection to PC Display Keypad Battery life Operating temperature Enclosure Weight Appendix Magnetic induction Eddy currents QCS101 F N C 0 to 1500 um Iron Steel Magnetic Stainless Steel Aluminum Copper Bronze Brass Microns um Inches Mil 0 to 99 9 um 0 1 um Above 100 um 1 um 0 to 4 99 Mil 0 01 Mil Above 5 0 Mil 0 1 Mil 0 mm to 15 mm depending on probe 1 to 3 2um depending on probe 99 measurements per minute approx Base amp 1 Pt 1 Point Base only Min Max Audible visual Number of samples min max range
19. rolled instruments always make sure that the operations required for your application are in correct working order Warranty Demeq S R L provides a limited warranty for a period of 5 five years on electronic units and for 6 six months on probes from the date of purchase Every instrument undergoes thorough testing during manufacturing as well as before shipping In the event warranty service where to become necessary Demeg S R L and or your local distributor or representative will make a reasonable effort to replace your defective unit with another new or used unit while your instrument undergoes warranty repair VI QC3 User Manual 1 First steps 1 1 Know the QC3 1 1 1 Front panel ee 11 2 E a gt 12 5 7 8 10 9 Figure 1 1 Front of the unit 1 Graphic LCD display with LED backlight illumination 2 Move Left key 3 Move Up key Manually store a value Store 4 Move Right key 5 Menu key Enter and exit measure screen Exit and return to menus Home 6 Move Down key Create new file in the Datalogger Batch Chapter 1 d QC3 User Manual 7 Change backlight illumination key On Off Auto 8 Enter key Edit values on the measure screen Edit 9 The Q key Power On and Shutdown touch and hold for 2 seconds Make quick and short touches to activate special features 10 Calibration key 11 Horizontal scrolling center point lock and unlock keypad on measure screen 12 Vertic
20. the distance between the probe and the base Signal Low frecuency oscillator Ferrous response Induced signal OB OOD HOOD arta AAY 4 ij iiien lt 4 Non Ferrous coating Thickness Figure 1 Ferrous base measuring principle Induced currents are produced on the metal surface when a high frequency field is applied Induced currents and the signal obtained from the coil are proportional to the distance with the base Signal High frequency oscillator Non Ferrous response Induced signal AAAA AAAA Tartar AAY 4 ilinl m Non Metalic coating r Non Ferrous base a4 Figure 2 Non Ferrous base measuring principle Thickness Using the physical principles described above the QC3 converts small signal variations produced by the probe into precise and repetitive measurements QC3 User Manual Applicable standards ISO 2178 ASTM D1186 for QC3 F ISO 2360 ASTM D1400 ASTM B244 for QC3 N and ASTM D7091 ASTM E376 for all QC3 models Important Safety information All QC3 series coating thickness gauges are for industrial use only The QC3 operates on two AA size batteries We strongly recommend that you use only top brand name alkaline batteries Disposal of your QC3 and its components must be done in compliance with all applicable regulations About the Software Because of its complexity level software is never really completely error free For this reason in software cont
21. tics Average within group Coating thickness value in the selected unit Probe measuring icon probe on sample Type of base icon FE or NF depending on model User selected unit Active calibration mode Page 11 oOo N CF WU A W N Battery level indicator 2 2 Key functions in the measuring screen Keys in the measuring screen have the following functions Store ANB Touch to manually store a measurement in the memory Touch to exit the measure screen and enter the main menu Chapter 2 9 QC3 User Manual LS Touch to create a new file or batch in the Datalogger Enter calibration mode Page 11 8 Changes the backlight illumination A short touch allows you to see statistics Touch for 2 or more seconds to shutdown the unit Set display contrast Store lt A Lock and unlock keypad 2 3 Statistics screen When you are in the measuring screen give the key a short touch to view a Statistics screen like the one below Stotistics To exit and return to the measuring screen Hox 99 8 simply take an actual measurement or touch G ee 98 5 Pos 8 55 any key on the unit front panel 98 7 N fomo Figure 2 2 Statistics screen The statistics included in the screen are Minimum Maximum e Range Max Min e Standard deviation Last measurement Position in grid only DL 10 Chapter 2 QC3 User Manual 2 4 Calibration The QC3 offers 3 modes of calibration th
22. tistics 3 4 4 Select language Language Touch on language which is also identified with a flag to view available language options Use the cursor keys to navigate available nglish language options and touch to select Spanish Oo 0 Portuguese Touch to save and exit this menu Figure 3 16 Language menu options Chapter 3 23 QC3 User Manual 3 4 5 Set auto off time Autol ff The unit will shutdown automatically if no key is touched or no measurement is made after a time set by you Touch on AutoOff to set the time before the unit automatically shuts down Touch the AIV keys to set the time and Autolft X touch to save and exit Touch Eas to exit without making changes Figure 3 17 Set auto off time 3 4 6 Adjust display contrast Contrast Contrast settings allow you to turn your screen lighter or darker where 1 is the lightest and 32 is the darkest Touch on Contrast and use the AIV keys to change the contrast on your screen Touch to save or touch KaJ to exit without making changes Contrast few Contrast Figure 3 18 Screen contrast settings 24 Chapter 3 QC3 User Manual Contrast on LCD screens can change with temperature Use the contrast option to compensate for changes caused by temperature to maintain optimal viewing conditions 3 4 7 Beep activation Beep Beep refers to the sounds that the unit makes when keys are touched and when the audible alarm is active Touch
23. to enable or disable the beep option 3 4 8 Hold last measurement Hold Last When you enable the Hold last option the last measured value will be displayed on the unit screen even when the probe is lifted When hold last is disabled and the probe is lifted the unit display will read a a Bn o ile any BS Hy eile 8 5 Hold Last mode on Hold Last mode off Figure 3 19 Screens with hold last enabled and disabled Touch to enable or disable this feature Chapter 3 25 QC3 User Manual 3 4 9 Continuous measurement mode Continuous When Continuous is enabled the unit will measure for as long as the probe is not lifted If Continuous is disabled the unit takes individual readings each time the probe is coupled To obtain measurements in this mode the probe must be coupled and lifted each time 3 5 Information and License Information Select Information to view unit as well as probe information Also included in this menu is a license option where an actual upgrade license activation code is entered when a model upgrade is purchased Touch the AIV keys to scroll menu Probe Info options and to select Licenses Touch to exit Figure 3 20 Information and license menu 3 5 1 Unit information Unit Info Select Unit Info to view information including owner data serial number hardware and software versions etc When you ask for an upgrade license we will request information from these screens dma NC3
24. wered as this may affect the Datalogger See Appendix Additional information Error Messages 1 3 Connecting the probe The QC3 uses a type Lemo OB 4 pin connector located on top of the unit All dmq probes are provided with Cal Tag technology allowing you to easily switch or replace probes To connect the probe simply align the red dot on the male connector with the red dot on the female connector located on the unit and press gently until connected see figure 1 5 To release the probe hold the knurled section on the male connector and gently pull out Never remove the connector pushing the cable Figure 1 5 Connecting the probe Chapter 1 5 QC3 User Manual 1 4 The Q key The has three functions 1 When the unit is off touch for 2 seconds to power on the unit 2 When the unit is on touch for 2 seconds to shutdown the unit 3 With the unit on making short touches to the will activate special functions described in each chapter of this manual 1 5 Display illumination and contrast Backlight illumination and contrast options can be changed from any screen in the unit 1 5 1 ea y backlight illumination Touch to change the backlight illumination Figure 1 6 Backlight illumination options 6 Chapter 1 QC3 User Manual 1 5 2 Disolay contrast The display contrast on all dmq units is digital Touch the white dot located in the center of the vertical scrolling bar between the
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