X-Rite 341 Portable B&W
Contents
1. SE30 46 230V por el riesgo de mal funcionamiento del equipo ATTENTION Ne pas utiliser d adaptateur autre que SE30 45 115V ou SE30 46 230V de X Rite au risque de mauvais fonctionnement de l appareil AVVERTENZA Non usare un altro caricabatterie che non del pezzo X Rite SE30 45 115V o SE30 46 230V per il rischio di malfunzionamento dell apparecchio P N 341 10 1 Rev DD USE ONLY NiCad batteries that are 600 700mAhr rated four required Other types may burst causing personal injury AUFGEPASST Verwenden Sie nur Nicad Akkus von 600 700mAhr Milliampere Stunde Nennstrom 4 St ck erforderlich Mit anderen Akkus lauft die Gefahr von Explosion und Verletzung ATENCION Use solamente las pilas de NiCad se requiere cuarto con condiciones de funcionamiento normales 600 700mAhr horas miliamperios Es posible que los otros tipos puedan estallar y causar da os corporales ATTENTION Utiliser seulement les batteries NICad courant nominal de 600mAh milliamp re heure 4 pi ces n cessaire Il y a danger d explosion et de blessures avec les autres types ATTENZIONE Usare solamente gli accumulatori al NiCad si richiede quattro con le condizioni di funzionamento normali 600 700mAhr ore milliamperi E possibile che altri tipi possano scoppiare e causare danno personale CE DECLARATION Manufacturer s Name X Rite Incorporated Manufacturer s Address 3100 44 Street S W Grandville Michigan 49418 U S A Mo2. Spain 34 93 567 7073 FAX 34 93 567 70 78 DORTE Lann AMERICA Hollywood Florida USA 954 927 4979 FAX 954 927 4979 gt Rrre GvsH K lin Gemeny 49 2203 91450 FAX 49 2203 914519 Vyskov Czech Republic 00 420 517 320 331 FAX 00 420 517 320 335 DARA Asia Pacinc LD Quarry Bay Hong Kong 852 2568 6283 FAX 852 2 885 8610 eRe KK Tokyo Japan 81354395971 FAX 81 3 5439 5972 15 Poynton Cheshire United Kingdom 44 0 1625 871100 FAX 44 0 1625 871444 gt Re INTERNATIONAL TRADING LIMTED Shanghai PR China 86 21 6427 2426 FAX 86 21 6427 5816
3. Troubleshooting Chart The following chart is included to aid in troubleshooting your instrument While troubleshooting use caution to avoid danger of an electrical shock While replacing parts always turn off the power Trouble Cause Remedy Display will not Discharged or Recharge or light No decimal bad batteries replace point Internal Return to the component factory or failure authorized service center Displays do not Power is just Push measure light decimal turned on button point lit Internal Return to the component factory or failure authorized service center Light source will Failed light Replace light not light source source Discharged or Recharge or bad batteries replace Internal Return to the component factory or failure authorized service center Reading will not Internal Return to factory change component or authorized failure service center Reading will not Internal Return to the hold component factory or failure authorized service center Display turns off Weak Recharge when measure batteries batteries button is pushed 14 xrite DORTE bro HEADQUARTERS Grandhille Michigan USA 888 826 3044 FAX 888 826 3045 or 616 534 0686 Intemational 888 826 3039 or 616 534 7663 FAX 616 534 0723 vwwaite com XR hay S RL Origgio VA Italy 39 02 967 34266 FAX 39 02 967 30681 Messy France 33 16953 6620 FAX 33 1 6953 0052 Barcelona
4. VAC 50 60Hz Specifications and design subject to change without notice This product covered by U S Patents and patents pending Unpacking Remove the instrument from shipping carton Inspect for possible damage If any damage is noted contact the transportation company immediately Do nothing more until the carrier s agent has inspected the damage If damage is not evident make sure the following items are included Registration Card complete and mail Transmission Densitometer Calibration Step Tablet Soft Vinyl Carrying Case 2mm and 3mm Apertures Battery Eliminator and Calibration Screwdriver Your instrument was packaged and shipped in a specially designed carton to assure against damage If reshipment is necessary the instrument should be repackaged in the original carton If the original carton is not available contact X Rite to have a replacement carton shipped to you Operating Instructions Should your instrument become inoperative refer to the troubleshooting chart on the opposite side of this sheet If the problem cannot be rectified refer the instrument to X Rite or an authorized service center for proper servicing Applying Power Your densitometer is designed to operate from its internal batteries or from the battery eliminator As an added feature the unit will operate on the battery eliminator with the batteries removed AC Operation Before using Make sure the voltage indicated on the battery e
5. X Rite 341 Battery Operated Densitometer Operator s Guide p Copyright 2005 by X Rite Incorporated Pa ALL RIGHTS RESERVED X Rite is a registered trademark of X Rite Incorporated All other logos product names and trademarks mentioned are the property of their respective holders FCC This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Canada This Class A digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe A est conforme a la norme NMB 003 du Canada CAUTION Operational hazard exists if battery charger other than X Rite SE30 45 115V or SE30 46 230V is used VORSICHT Es besteht Betriebsgefahr bei der Verwendung von einem Adapter auBer X Rite SE30 45 115 U oder SE30 46 230 U ADVERTENCIA No use otro cargador de las pilas que no sea la pieza X Rite SE30 45 115V o
6. a marked CAL 4 If the reading in the display does not equal that of the calibrated step tablet adjust the potentiometer until it does e To increase scale factor rotate the screwdriver clockwise 5 Check the units null zero and renull if necessary 6 Repeat Steps 3 and 4 until the calibration and null settings are exact NOTE The instrument measures for only a few seconds after the MEASRUE button is pushed and held Potentiometer changes after the bulb turns off and will not be noted until a new measurement is made Dot Calibration A Method For Obtaining Practical Dot Area Measurement The geometry standards for Transmission Densitometry are the American National Standards Institute ANSI Ph2 19 and the International Standards Organization ISO 5 2 These and the other supporting standards were produced with only density in mind When a unit adheres to these standards it may produce dot area measurements that are not in agreement with practical dot area values seen and used in the industry Until a new or revised standard is developed and approved for the graphic arts industry the only proper and correct methodology is to produce densitometers to the existing standards Therefore in order to achieve practical dot area measurements a special dot area calibration procedure is necessary and is described below Dot Calibration Procedure 1 Verify calibration of the unit using the calibration step tablet supplied with t
7. a standard are required then recalibration to the original density stated on the step tablet will be necessary 10 Maintenance General The densitometer is covered by a one year limited warranty excluding lamps and batteries and should be referred to the factory for repair within this warranty period Attempts to make repairs within this time frame may void the warranty Always verify instrument calibration to assure proper instrument operation Make sure all connections are properly made Factory Repair X Rite Inc recognizes the need to provide complete technical repair service to their customers Because of the complexity of the circuitry all circuitry repairs should be referred to the factory or an authorized repair station The manufacturer will repair any densitometer submitted past warranty Shipping costs to the factory shall be payed by the customer and the instrument shall be submitted in its special carton as a complete unaltered unit Lamp Replacement A spare Lamp Assembly for the 341 P N 341 37 can be obtained from X Rite Inc should your lamp fail Replace as follows NOTE Refer to the illustration 1 Remove the bottom cover from the instrument by removing the four screws from the bottom cover 2 Unplug the lamp connector from the P C B assembly 3 Remove the screws holding the lamp assembly Remove the lamp assembly 4 Fasten the new lamp into the lamp chamber assembly with the screws remov
8. del Name Densitometer Model No 341 Directive s Conformance EMC 89 336 EEC LVD 73 23 EEC As of August 13 2005 X Rite products meet the European Union Waste Electrical and Electronic Equipment WEEE directive Please refer to www xrite com for more information on X Rite s compliance with the WEEE directive Warning This is a class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures Limited Warranty X Rite Inc warrants each instrument manufactured by them to be free of defects in materials and workmanship for a period of 12 months THERE ARE NO WARRANTIES OF MECHANTABILITY OR FITNESS THIS WARRANTY OBLIGATION IS LIMITED TO SERVICING THE UNIT RETURNED TO THE FACTORY FOR THAT PURPOSE AND 2 EXCLUDES THE LAMPS AND BATTERIES The instrument shall be returned with transportation charges prepaid If the fault has been caused by misuse or abnormal conditions of operation repair will be billed at a nominal cost If requested an estimate will be submitted before non warranty work is started X Rite Incorporated offers a repair program for instruments out of warranty For more information contact X Rite Customer Service Department This agreement shall be interpreted in accordance with the laws of the State of Michigan and jurisdiction and venue shall lie with the courts of Michigan as selected by X Rite Incorporated General Informat
9. ed in Step 3 CAUTION Make sure the new lamp surface is clean Remove smudgemarks with alcohol on a lint free cloth 5 Plug the lamp connector into the respective receptacle on the P C B assembly 11 6 Fasten the bottom cover to the instrument with the four screws removed in Step 1 Battery Replacement If it becomes necessary to replace the batteries use only another set of batteries like the ones shipped with your densitometer The batteries used are AA Nicad with 600mahr capacity REPLACE ALL FOUR BATTERIES IF ONE OR MORE IS BAD CAUTION Use of any batteries other than those recommended above may result in damage to your densitometer and may void the warranty To replace the batteries use the following procedure 1 Set the densitometer ON OFF switch located on the bottom of unit to OFF and disconnect the battery eliminator from the densitometer 2 Remove the bottom cover by removing the four screws 3 Pull out the batteries one by one removing the batteries near the center first then the batteries at the sides 4 To install new batteries insert into the two outside locations of the battery holder first Next place the batteries in the center positions paying attention to proper polarity compressing the spring as needed Lamp Assembly T Screws NiCad Batteries Battery 7 Plug Lamp Plug ON OFF Switch
10. es with the AC line voltage in your area If not contact your dealer 1 Turn the power off on the bottom of the unit 2 Plug small connector end of the charger into side of unit 3 Plug line cord end of charger in to AC wall outlet 4 Unit should be fully charged in 14 hours Note If your unit has not been used for several weeks recharge for approximately 24 hours A fully charged set of batteries provides approximately 600 700 measurements typical Turn the power off on bottom of unit when the densitometer is not being used to preserve battery charge Nulling zeroing Procedure Null must be established each time instrument power has been removed for more than one second This is because the electronic memory is lost with power removal Null remains very stable 0 02D as long as power remains on Null the instrument as follows 1 Select Density or Dot 2 Remove film from reading area 3 Lower the reading arm Press the NULL button and hold while pressing the MEASURE button 4 Hold both buttons down until the reading on the display has stabilized Absolute Den Measurement Measure Absolute Density as follows 6 Select Density by pressing DEN button Density Mode is activated when the decimal is on in the display Null the instrument as previously described Center the film area in question directly over the aperture under the reading arm If you are reading a sensitometric step the center 1 3 of
11. he unit and using the procedure outlined in den calibration procedure Measure the dot area of a known 50 dot i e UGRA plate control wedge or RIT microline resolution target making sure to zero on the base of the film Take the displayed value and subtract 50 from it Take this new value and move the decimal point over one digit to the left i e with a unit that measures to the nearest percent a displayed value of 51 50 1 Moving the decimal point one digit to the left produces 1 Subtract the value obtained in step 3 above from the cal step value on the step tablet and write this number below the number already there and add the words DOT to the left of the new value i e Cal step value of 2 95D 1D 2 85D should be written on the cal step of the step tablet Refer to the example on the other side EXAMPLE X Rite QUALITY CONTROL TRANSMISSION DENSITY 004 023 146 295 3 37 SERIAL NO Dot 2 85 Part No 301 27 1 2 3 CAL 5 Recalibrate the densitometer following the den calibration procedure but replace the hi entered calibration value with the new Dot cal number generated in step 3 The densitometer will now measure practical dot area correctly This procedure does understate the HIGH densities somewhat i e a 4 56D Dmax would really be a 4 8D from the example above but this is not a significant amount when dealing with Dmax If density measurements traceable to
12. ion General Description The 341 instrument is a battery operated hand held B W Transmission Densitometer that has achieved the accuracy and stability of our A C powered versions The unique size and shape makes it an ideal totable instrument for use in the plant the lab or on the road The instrument has its own light source and illumination area Push button control of display power lamp and zero make the instrument easy to use The 341 measures Density Density Difference and Dot Area Specifications Measuring Geometry Per ANSI PH 2 19 ISO 5 2 System Response ANSI Visual Measuring Range Density 0 gt 5 0D Dot Area 0 100 positive Repeatability 2 3mm aperture 0 01D 0 4 0D 3mm aperture 1 4 0 5 0D Linearity 2 3mm aperture 0 02D 0 4 0D 3mm aperture 2 4 0 5 0D 3 Zero Stability 0 02D per 8hr 0 01D typical Warm Up Time none Measuring Location 5 5in 14cm throat depth Power Requirements Batteries 4 rechargeable AA Ni Cad batteries Measurements per Charge 600 700 typical Physical Dimensions 2 0in H x 2 9in W x 7 0in D 5 08cm H x 7 46cm W x 17 78cm D Weight Gross 2 7lbs 1 2kg Net 1 5lbs 0 7kg Environmental Operating Range 50 to 104F 10 to 40 C 30 to 76 RH Storage Range 4 to 122 F 20 to 50 C 5 to 95 RH Accessories Operation Manual Transmission Reference Calibration Screwdriver Batteries and AC Adapter SE30 45 115VAC 50 60Hz or SE30 46 230
13. l zero on the fringe dot area of the film to be measured 3 Lower the reading arm Press the MEASURE button and hold until the reading in the display has stabilized 4 Remove pressure on the MEASURE button so that the reading arm rises The Dot Area measured will be displayed until the button is pushed again Light Table Illumination 341 The light table is only illuminated by a depression of the MEASURE button Calibration Frequency of Calibration Test Under normal operating conditions the instrument calibration test should be performed once a week Calibration Test Calibration of this instrument should remain stable over a long period of time and over an extended range of voltage and temperature However if calibration is questioned a calibrated step tablet is provided to check against Handle this tablet with care so that no dirt or fingerprints are deposited on the film surface Check calibration while in Density mode in the center of the step tablet area marked CAL This measurement should be within 0 02D of the value marked on the step tablet Always return the step tablet to its protective cover Den Cal Procedure If calibration needs to be changed proceed as follows 1 Select Density by pressing DEN button 2 Insert a small screwdriver into the hole on the right side of the instrument engaging the potentiometer slot inside 3 Measure the calibrated step tablet in the center of the are
14. liminator complies with the AC line voltage in your area If not contact your dealer To apply AC power plug in the Battery Eliminator and slide the power switch on the bottom to the ON position The top On and Off buttons are for turning the display on or off Battery Operation THE UNIT SHOULD BE FULLY CHARGED BEFORE USING FOR THE FIRST TIME To apply battery power slide the power switch on the bottom to the ON position The top On Off button is for turning the display on or off If unit is stored for an extended period of time or unit is transported it is recommended that the power switch on the bottom be turned off to preserve battery charge CAUTION When the batteries are nearly discharged a small arrow in the upper left hand corner of the display appears as an indication that the batteries are in need of recharging When the arrow appears on the display the read lamp is disabled If the 5 arrow displays during a measurement the data for that measurement will be incorrect The batteries must be immediately recharged once the arrow indicator is displayed The densitometer will not operate at all if the batteries have completely lost their charge until the battery eliminator is plugged in Battery Charging THE UNIT SHOULD BE FULLY CHARGED BEFORE USING FOR THE FIRST TIME The unit can be operated while the batteries are being charged Before charging Make sure the voltage indicated on the battery eliminator compli
15. the step should be measured Lower the reading arm Press the MEASURE button and hold until the reading on the display has stabilized Remove pressure on the MEASURE button so that the reading arm rises The density measured will be displayed until the button is pushed again NOTE When measuring density values above 2 50D The MEASURE button must be held longer to ensure accurate measurements Care should be taken that the reading head light seal is completely on the surface of the film being measured Always measure density with the film emulsion side up Den Comparison Measurement Compare Density readings as follows 1 Select Density by pressing DEN button Density Mode is activated when the decimal is on in the display Place reference film over aperture Null the instrument as previously described Place the film to be compared over the aperture and measure the density This measurement is the difference between the reference film density and the compared film density A minus display indicates the compared film is a lower density NOTE The unit can zero on densities up to 1 0OD Dot Area Measurement Dot Area readings will be 00 0 for the nulled area of film representing fringe dots Dark areas above 3 00D will measure approximately 100 7 Measure Dot Area as follows 1 Select Dot Area by pressing the Dot button Dot Mode is activated when the decimal is off in the display 2 Nul
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