Smokemeter DX250 Software manual
Contents
1. a e c etas 6 START UP SHUT DOWN PROCEDURE sese 8 M 0 T TEST PROCEDURE RAE ESSE 10 OTHER TEST MODES Actual TOO is eaae ath asset a b pasa a aua S au 19 Peak moden rer EE 20 CALIBRATION Vehicle Inspectorate calibration checks 21 Automatic calibration 21 SPECIAL FUNCTIONS Garage name and 22 System iure p uae a OE aee 22 PEG T ede ee ee E ee oe 23 CONVERSION CHART NOU MARE 24 NOTE This manual only describes the software controlled procedures For all other information please refer to the DX250 Smokemeter Operators Manual D X250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 6 COMPUTER DISPLAY Date Time 1 gt DX250 SMOKEMETER rs Special Functions EuComme T Mode Testlype des Engine Type a i MOT Standard MOT Non Turbo 9 7 i ACTUAL e Turbo l PEAK e CALIBRATE l rcm er ee incautus E 1 6 16 R P M ALT F4 Exit Program EAT Non Turbo Engine Program title with software version Number Instruction Text box Ready box Display box Prompts Smoke and Oil temperature values Engine Speed values Function buttons The function keys on the keyboard Fl to FIO control the function buttons on the displa2. ian rue Lug RPM MTS Est Pogon CAT A Non Tube late Time r3 Abort MOT MOT Test Typo Engne CLASS 4 7 LJ Standard MOT 4 Non Terbo a HGVPSV Tarbo s oiL E mre N19 8 Eon A Non Tube Engine DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 14 If the oil temperature probe is not connected the display will show Wait until the oil temp reading is above the quoted limit and then press F10 to continue the test If the continue button is pressed and the temperature cannot be measured or the measured temperature is below the defined limit a 40 second wait period is started When not using the oil temperature probe use other means to verify the engine temperature This should be at least 60 C before testing starts but do not accept a FAIL result at this temperature Raise the engine temperature to at least 80 and retest before accepting a FAIL result After the countdown the program will proceed to the initial calibration check The span and zero results from this calibration are stored and compared to results from a similar check performed after the MOT test is complete In this way the equipment can assess whether MOT test result is valid or that the lenses inside the smokemeter have been clouded to too great an extent during the test Wait for the calibration to finish and the screen will then give the following instruction to replace the dipstic
3. thames 17145 VEHICLE customer Abun MOT py Abort MO OOOWETER yp Vo tym U en 7500 CLASS 47 B CLASS 7 t Smok ZI MOT Smoke 20 m 84m Smoke Lst CTS Smoke Lirit APO 120 OK n rt n APM Olt pa Megis CATA tee Taho Eagas M r4 dut Poem CAJA Won Forbes NOTE If the smoke test is carried out without a serviceable Smart Card reader and appropriate Smart Card present then Ignore button should be selected and vehicle data such as vehicle type mileage and customer details entered manually DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 12 Press F1 to confirm Smart Card details and parameters and this screen will be displayed Date Tome DX250 SMOKEMETER Ibe Abort MOT Costume MOT Test Type Engine Type CLASS 47 s Sanda MOT 0 Noa Turba MOT HGV PSV e Tubo s tU P2 ALTE Es Propias CAT A Turbo Engine Note the illuminated selection buttons if the required test is CLASS 4 7 then simply use F3 to select the correct engine type turbo or not and then F10 to proceed to the next screen To select an HGV PSV test press F1 and the following screen will be displayed that allows selection of RPC test if required Dam Tea Dx250 SMOKEMETER amu MOT Test Type Engr Type CLASS 47 Seeded MOT O Mcs Dans c nGvyesy amp FPC 1 Tert E RPC 7 B SMOTT
4. DIESELTUNE DX250 SMOKEMETER PROGRAM UK MOT 2002 OPERATING INSTRUCTIONS IN2038 DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 2 IMPORTANT Every reasonable effort has been made to ensure that information within these Operating Instructions is correct at the time of release but Dieseltune Technology Ltd cannot accept responsibility for any errors that may occur E amp O E The information in these Operating Instructions is subject to change without notice and does not represent a commitment on the part of Dieseltune Service amp Warranty The reliability of this equipment is fully supported by our service agents with repair workshops and field service engineers to provide a full range of After Sales Care including installation contract maintenance factory overhaul and emergency repairs on site Please refer to the page at the end of this manual for full details Note Your attention is drawn to our Terms amp Conditions of Sale If a service engineer is called out under service warranty where upon inspection and test the equipment is found to be in full working order and no fault found the user is liable to be charged the cost incurred for this call out Before calling out an engineer ensure your equipment is faulty by checking its operation particularly mains supply and fault codes self test if applicable WARNING Do not attempt to operate this equipment unless you have read and understood these instruc
5. Opecty Max n23 m Speed Min 784 RPM Speed 4291 RPM Time 1 30 AVERAGE STANDBY TO ACCELERATE When the countdown is complete the READY screen will be displayed and another acceleration should be performed Note The current peak smoke reading will appear for a few seconds and then be replaced with indicating that an average of three peak readings is not available Once three accelerations have been performed the rolling average of the last three peaks is displayed during countdown Provided the HGV PSV RPC test has not been selected the MOT test will end after ONE acceleration if the smoke reading is below the Fast Pass limit If the first smoke peak is above the Fast Pass limit further accelerations will be requested After three accelerations have been completed the rolling average is compared to the pass fail limit If it is below the limit the test ends with a pass result If above another acceleration is requested and the rolling average recalculated and checked again This goes on until six accelerations have DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 16 been performed and the test will end then even if the average is above the limit Once the acceleration cycles are complete the screen will give instructions to remove the sample probe Date Time DX250 SMOKEMETER Fig Continue Test Type Engine Type CL
6. RFC Type 1 s HE EN ra n KPH mt Ew Popen Jade Ev If an RPC test is required press F2 to select the appropriate limits Press F3 to select the correct engine type Check that the text instruction box displays the required test or reselect as necessary and once correct press F10 to proceed Provided all is well the screen will display the complete test selection to be used for this MOT test Check the details are correct and either press F10 to proceed as defined or ABORT and redefine the test if incorrect The test can be aborted at any time DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 13 OIL TEMPERATURE only applicable to CLASS 4 7 The following screen is displayed to indicate that the oil temperature probe should be inserted into the engine Ensure that the moveable stop is adjusted to make the probe the same length as the dipstick and that the engine is stationary before inserting probe Dane Time DX250 SMOKEMETER pa Abon MOT 35 Contes MOT Test Type Engins Typo CLASS 4 7 lt Stecdard MOT 0 Nan Turbo MOT HOVIFSyY Turbo J RPM 144 Bet Proge TAT A Won Tao Fagre Press F10 once probe is securely in the engine and the temperature monitoring screens will be displayed Date Time DX250 SMOKEMETER Abon MOT Test Type Engine Type GLASS 4 7 LJ Stunted MOT 4 Now Turbo Twbo v
7. TEMPERATURE STABILISATION PLEASE WAIT as follows Date Thie DX250 SMOKEMETER Test Type Engine Type lt ACTUAL SMOKE CALIBRATE m eee ALT f Program The number inside the brackets is an indication of the temperature of the sampling head It should stabilise at approximately 128 after 5 to 20 minutes dependent on ambient conditions The Instruction Text box will then display CALIBRATION CHECK DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 9 PLEASE WAIT The Smokemeter now carries out an automatic calibration check see section Calibration for details Once complete the following screen is displayed Date Time DX250 SMOKEMETER lbs Special Functions E 10 Contimue i Test lype Engine Type MOT ACTUAL PEAK SMOKE CALIBRATE gn Ewe ALTER Eni Program If an equipment fault is detected the appropriate message will appear in the Instruction Text box SHUT DOWN PROCEDURE Press ALT and key F4 simultaneously Close Program Yes No box will appear Select Yes IMPORTANT Follow the correct Windows 95 98 shut down procedure before turning the computer off NOTE If the program does not respond to ALT F4 refer to Windows 95 98 operating instructions and use keys CTRL ALT DEL simultaneously SHUT DOWN PROCEDURE Press ALT and key F4 simultaneously A Cl
8. abort the test at any time if itis necessary to terminate an M O T test before completion Operation of F5 may be restricted if an extra control panel has been displayed either exit this panel or wait for a time out then press F5 to end the DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 18 current test Any results previously recorded will be lost and the test must be re started from the beginning DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 19 Test Print out The following is a typical Pass print out DX250 Smokemeter 1 1 0 0 Date amp Time VTS 1234567890 Anyone Garage Company Ltd Anywhere Road Anywhere Industrial Estate Near Anywhere Anywhere County Anywhere Anywhere PostCode CUSTOMER Mr Smith VEHICLE Volkswagen Golf 1996 REGISTRATION No M350 BFK ODOMETER 66 650 TEST TYPE Non Turbo Engine ENGINE TYPE CAT A PASS LIMIT 2 50 OIL TEMPERATURE 85 C Test Smoke No m 1 0 68 B44 ZERO CHECK 0 02 m TEST TYPE LIMIT RESULT Decision FAST PASS 150m 066m FAST PASS NOTES 1 See section Special Functions for procedure to enter Garage name etc 2 Oil temperature will be printed as if the oil temp probe is not fitted 3 Min Speed engine speed when READY comes on Max Speed engine speed when READY goes out The speed columns will read 0 if an engine speed adaptor is not fitted 4 Time taken to accelerate from minimum RPM to maximum RPM Column entries will read 0 00 if
9. an engine speed adaptor is not fitted 5 This test result is the average of tests 3 to 6 less the ZERO CHECK figure The result is a FAIL for the vehicle as the limit for NON TURBO engines is 2 50m DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 20 6 If the ZERO CHECK value is higher than 0 1m 1 the statement WARNING ZERO DRIFT will appear in the print out and the Display box will flash CAL DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 21 OTHER TEST MODES Actual Mode This is a continuous opacity test mode facility with particular application for engine test beds chassis dynamometers etc To prepare the Smokemeter for the Actual mode see section Start up Procedure WARNING During the test the smoke temperature in the sampling head must NOT exceed 150 C or internal damage could occur If 150 C is exceeded a warning will be displayed in the Instruction Text box The Smokemeter should be left switched on Once the temperature has fallen below 125 C the machine will re calibrate and revert to the test mode previously selected The sampling pipe can be lengthened to allow adequate cooling of the smoke before it enters the sampling head This extension pipe should be made of copper or stainless steel and have a minimum internal diameter of 10 mm However pipes should not be lengthened if free acceleration testing is to be carried out since the change will affect Smokemeter response time and theref
10. will appear 9 Use the Tab key to move the cursor into the Garage Name box 4 Delete the previous entry if any and type in the new requirement 10 lines maximum NOTE a Only the first 10 lines entered will appear on the print out b A space must be entered if a blank line is required 5 When complete press Fl OK to exit Garage Name 6 Press Fl again to exit Special Functions 7 Shut down and re start the Smokemeter program to store the information just entered System Data Operating system parameters and pass fail limits etc are preprogrammed into this area It is not possible to amend this information without a password In the event that any modification is required the manufacturer will provide the necessary service Page 26 DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 PLOT The Plot mode provides a graph which will show the shape of the smoke curve currently active in Peak mode only A graph can be originated as follows Carry out a Peak test 1 The smoke curve is now displayed The file name may be amended and or comments added if required Press F7 Plot 2 Press to close 3 Press F5 to print Press F6 to save as an Excel file in c program files DX250 peaklog Astra 1 7D 18 08 98 11 23 28 File J663 YWJ ut Aj oedo 1 1 10 20 30 40 50 60 70 80 90 100110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 0 Steps in 40m
11. ASS 4 7 e Standard MOT Non Turbo MOT HGV PSV 6 Turbo AVERAGE x 2j ALT F4 Exit Program A Non Turbo Engine Switch off the engine and carefully remove the sample pipe from the exhaust and position the smokehead in clean air Press F10 when complete Note It is important to put the smokehead in clean air as a drift test will be performed and whole MOT test aborted if the zero smoke reading has changes too much Beware of high temperatures when handling the smoke probe as both it and the exhaust system may be at a high temperature after the test DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 17 Once the F10 button is pressed a window will appear on the screen asking if a printout is required Normally this is the case so press F5 when this screen appears Date Time DX250 SMOKEMETER MESSAGE 1 PRINT CERTIFICATION TEST REPORT p YES ry AVERAGE iue R P M ALTE Ext Program CAT A Kon Turbo Engme Zero 0 09 m Further printouts can then be obtained by selecting F8 DX250 SMOKEMETER es Abort MOT onze Print F agcomime Test Type Engine diis CLASS 4 7 I Standard MOT Non Turbo MOT HGV PSV Turbo 2 AVERAGE e Ls perum RPM ALT 4 Ent Program CAT A Non Turbo Engine Zero Cult 0 05 m Press the F10 key to end the test and return to the test selection page ABORTING A TEST The F5 key will
12. FSN Filter Smoke Number Bosch or Bacharach scale with temperature correction to 100 C mg m Milligrams of soot per cubic metre of exhaust gas with temperature correction to 100 C Cal 96 is forced when calibration section is entered it cannot be selected from the live readings The display is opacity 96 for this Smokemeter i e Optical Path Length 0 25 m not corrected for temperature Used by UKAS engineer for calibration only Scale range 0 6 22 FSN and 0 844 mg m If scale range is exceeded display box will show OVER Press F3 to select type of vehicle to be tested in MOT tests only Non turbo Selects pass fail limit for non turbo vehicles Turbo Selects pass fail limit for turbo vehicles DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 8 START UP SHUT DOWN PROCEDURE NOTE The following instructions assume that the Smokemeter software has already been installed on the computer using the instructions supplied with the software and that the user is familiar with the operation of Windows 95 98 START UP PROCEDURE Connect the equipment as described in the DX250 Operators Manual 1 To start the Smokemeter programme Start Windows 95 98 Select the DX250 icon If the DX250 icon is not shown Select Start Menu 5 Select Programs Select Smokemeter Select DX250 2 The Smokemeter display will now be built up in a series of stages until the Instruction Text box displays SAMPLING HEAD
13. S SPX1023 Typical vehicle smoke curve DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 27 CONVERSION CHART Conversion chart for k HSU FSN and mg m Extracted from MIRA Report No 1965 10 Nuneaton 1965 AG Dodd and Z Holubecki k coefficient of Hartridge Filter Smoke Mg m Cal 96 light absorption Smoke Units Number m 1 HSU FSN 0 25 10 1 10 33 6 1 0 27 11 1 20 38 6 5 0 30 12 1 30 42 7 2 0 32 13 1 40 47 7 7 0 35 14 1 48 52 8 4 0 38 15 1 57 57 9 1 0 41 16 1 67 62 9 7 0 43 17 1 75 66 10 2 0 46 18 1 84 71 10 9 0 49 19 1 93 76 11 5 0 52 20 2 02 81 12 2 0 55 21 2 10 86 12 8 0 58 22 2 18 91 13 5 0 61 23 2 26 96 14 1 0 64 24 2 94 101 14 8 0 67 25 2 42 106 15 4 0 70 26 2 50 111 16 1 0 73 27 2 57 117 16 7 0 76 28 2 64 122 17 3 0 80 29 2 71 127 18 1 0 83 30 2 77 133 18 7 0 86 31 2 83 138 19 3 0 90 32 2 89 144 20 1 0 93 33 2 96 150 20 7 0 97 34 3 02 156 21 5 1 00 35 3 08 162 22 1 1 04 36 3 14 168 22 9 1 07 37 3 20 174 23 5 1 11 38 3 26 181 24 2 1 15 39 3 31 187 25 0 1 19 40 3 37 193 25 7 1 23 41 3 42 199 26 5 1 27 42 3 47 206 27 2 1 31 43 3 53 213 27 9 1 35 44 3 59 220 28 6 1 39 45 3 64 227 29 4 1 43 46 3 70 234 30 1 1 48 47 3 75 241 30 9 1 52 48 3 80 248 31 6 1 57 49 3 86 256 32 5 i e optical path length L 2 0 25 m NOTE For the DX250 all scales except Cal include compensation for the temperature of the smoke Hence the Smokemeter s conversion from Cal to the other units will only follo
14. e started as soon as READY is displayed NOTE For convenience the remote reset control DX210 14 see DX250 Operators manual may be used instead of the READY display on the screen The control incorporates READY light EXAMPLE Typical Peak mode print out PEAK TEST Morris Motors Station Street Anytown Anywhere Anypostcode CUSTOMER Mr J Smith VEHICLE Volkswagen Golf REGISTRATION No M350 BFK ODOMETER 66 650 PEAK OPACITY 0 21 m ENGINE SPEED MIN 842 RPM ENGINE SPEED MAX 5124 RPM OIL TEMPERATURE 98 The engine speed will only be given if an engine speed adaptor is fitted Min Speed engine speed when READY is displayed Max Speed engine speed when READY goes out The oil temperature will only be given if an oil temperature probe is fitted DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 24 CALIBRATION Vehicle Inspectorate Calibration Checks Itis a Vehicle Inspectorate requirement that all makes of smokemeter used for M O T testing are calibrated at intervals specified by them Currently these are A A check by the operator at least once a week Because the automatic calibration check described below occurs every time the Smokemeter is switched on there is no requirement for a weekly check B UKAS calibration once a year A manual calibration check must be carried out by an approved technician please contact the manufacturer for this service Automatic Calibration Check electronic m
15. ethod The Smokemeter takes its smoke readings on a percentage scale 096 denotes clean air i e no smoke at all and 100 denotes total obscuration of the light beam i e totally black smoke These two values are set automatically the first by having the light beam in clean air and the second by switching the beam off so that the sensor sees no light at all A calibration check at a light level of 37 596 is then performed equivalent to k 1 88m No optical filters are used for this check the light level is electronically generated by special circuitry patented It is necessary for the calibration to be checked regularly since the 0 point full light through chamber can be affected by any soot which may land on the lenses during use For this reason the Smokemeter automatically checks its calibration at the start of each test or at any time that F6 Set Zero is pressed The tolerance on the mid point calibration check is 35 9 to 39 0 equivalent to 1 88 0 1 m If it fails outside this limit a warning is displayed and the MOT test modes will be disabled If this situation occurs contact your service agent DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 25 SPECIAL FUNCTIONS Garage Name and Address To enter your garage name and address on print outs proceed as follows 1 Press key F5 Special Functions The Special Functions display will appear 2 Press key F5 Garage name The Garage Name box
16. ine speed exceeds the manufacturers specified maximum governor speed SELECT MOT TEST AND ENGINE TYPE The equipment should be fully warmed up and have passed the initial calibration check The following screen should be displayed Time DX250 SMOKEMETER qn Comnue es Functions Mode Test Type Enget Type MOT Sinwmdnd MOT 9 Teebo ACTUAL LJ Turbe VEN hd SMOKE CALIBRATE s F1 RPM A14 tet opa Mon late Eger Select F10 Continue to proceed to Smart Card interrogation mode DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 11 Dare Tone of Tost T MO CLASS 47 MOT Hayy er c ALTA Cane CAT A Mee Tubes Enon The vehicle registration mark or MOT test number should be entered at this stage Press F1 to continue thane Tine Date Time psy Abon MOT jp Cnm MOT type Engine Type s Abus MOT OK Test Engine CLASS 4 7 9 Nive Tubo s CLASS 47 Sende A Non Turbo s Tarte MOT MGvesv Twte SWORE SMOKE RPM XL er ac gram CAT amp Mee Tete Longe 5584 Megas CAT A Won Tiaha Coque 4 Smart Card not found J Dave Te Date Time DX250 SMOKEMETER or MOT
17. k in the engine and insert the smoke measuring probe into the exhaust Date Time DX250 SMOKEMETER pa Abort MOT rap centnm MOT lent Typo CLASS 47 Suwdnni MOT 9 Non Tubo Tubs SMOKE AE Tal Popea CAT Mor Tube Enges Use the appropriate probe for exhaust arrangement on the vehicle under test and ensure the probe is firmly clamped in place Press F10 Continue to proceed to the first Free Acceleration test and the screen will change to the following 10 second countdown mode eee 10 recends E t5 p CCLASS 4 7 9 Sm MOT Turbo a MOT HGVjFSV Turba REGN Lg xu Cape Bon Tarbes DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 15 Follow the screen instructions to open the throttle wide and hold fate Time DX250 SMOKEMETER READY Type Engino Type CLASS 4 7 MOT Nun Turbo MOT Turhe E AVERAGE RPM EE 00 888 d ecu MESES Emt Promem CAT A Mom Tarbo mme The READY screen indicates that the equipment is waiting for a smoke sample to measure Open the throttle to full fuel as described in the MOT Tester s Manual and wait until the engine reaches governor speed then release the pedal when instructed Date Time DX250 SMOKEMETER
18. logy Limited Crypton Technology Business Park Bristol Road Bridgwater Somerset TA6 4BX Tel 44 0 1278 436200 Fax 44 0 1278 450567 Email sales CryptonTechnology com Website www cryptontechnology com AFTER SALES SERVICE Apart from the routine maintenance and adjustments stipulated in this manual the equipment must not be tampered with in any way All further servicing must be carried out only by an engineer from an Authorised Agent Failure to observe these conditions will invalidate the Guarantee On Site Service Overhaul Spare Parts If you require a Service Engineer to attend ON SITE either due to an equipment fault or for machine calibration or if the equipment covered by this manual requires to be sent back for factory overhaul or if you need spare parts please contact our Product Support Helpline at the following number Tel 44 0 1278 436252 Fax 44 0 1278 436238 Overseas Service abroad is provided by the agent from whom your equipment was purchased Fully Comprehensive After Sales Service Call Dieseltune Helpline for details of local service agents 44 0 1278 436225 Technical Information Crypton provide information and contracts covering Car Data Fault Code Information Diagnostic Information Software Support Contracts Software Updates amp Accessories
19. ore the test results To carry out the test use keys Fl and F2 to select Actual mode and the preferred test units The display will continuously show the smoke output of the engine at whatever speed and load is chosen If key F8 is pressed at any time during the test the resultant print out will show the results of the smoke being measured at that moment EXAMPLE Typical Actual mode print out Date amp ACTUALTEST Morris Motors Station Street Anytown Anywhere Anypostcode CUSTOMER Mr J Smith VEHICLE Volkswagen Golf REGISTRATION No M350 BFK ODOMETER 66 650 OPACITY 1 13 m ENGINE SPEED 4510 RPM DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 22 These will only be printed if readings are available DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 23 Peak Mode This opacity mode enables a single free acceleration smoke test to be carried out To prepare the Smokemeter for the Peak mode see section Start up Procedure To carry out the test fit the sampling pipe to the vehicle exhaust and then use keys FI and F2 to select Peak mode and the preferred test units When READY is illuminated quickly depress the throttle to maximum Release the throttle as soon as READY goes out and allow the engine to return to idle The test result will be shown in the Display box A print out of the displayed result can be obtained if required by pressing key F8 A new test can b
20. ose Program Yes No box will appear Select Yes IMPORTANT Follow the correct Windows 95 98 shut down procedure before turning the computer off NOTE If the program does not respond to ALT F4 refer to Windows 95 98 operating instructions and use keys CRTL ALT DEL simultaneously DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 10 M 0 T TEST PROCEDURE The operator s smart card should be inserted into the VI serial communications device before the MOT test type is selected The engine must be at normal operating temperature before performing the test either apply the test immediately the vehicle is presented or warm up thoroughly before testing WARNINGS If carrying out tests in a workshop the area should be well ventilated Alternatively outdoor testing is permissible see Outdoor Testing in the DX250 Operators Manual Ensure that the vehicle is parked on level ground with handbrake applied and gear lever in neutral or park position Turbocharged engines should be allowed to idle for 10 to 15 seconds before switching off to ensure maximum turbocharger life It is recommended that prior to carrying out the M 0 T test the engine speed governor is checked as follows Fit the engine speed adaptor see section Engine Speed Adaptors in the DX250 Operators Manual SLOWLY raise the engine speed and check that the engine manufacturer s maximum speed cannot be exceeded Do not proceed further if the eng
21. tions DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 3 DX250 SMOKEMETER SPECIFICATION Dieseltune Technology Ltd has a programme of continued product development and therefore reserves the right to amend product specifications without prior notice While every effort is made to ensure the accuracy of the particulars contained in this instruction book the Manufacturers and the Authors shall not in any circumstances be held liable for any inaccuracy or the consequences thereof COPYRIGHT Foldcrown Limited 2003 All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form electronic mechanical photocopying recording or other means without prior permission in writing from Foldcrown Ltd PATENTS These products are covered by one or more of the following Patents or Patent Applications GB 2257515 2268805 EU 0521725 0650586 US 5353629 5596155 DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 4 M 0 T TESTING The DX250 Diesel Smokemeter when used with the software described in this manual is approved by the Vehicle Inspectorate Executive Agency for M 0 T testing of the following classes of vehicle Category Cars Light Commercial Vehicles and Private Buses M 0 T classes 4 5 and 7 Category Public Service Vehicles Heavy Goods Vehicles DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 5 CONTENTS Page COMPUTER DISPLAY
22. w this table if the smoke temperature is 100 C DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 28 CONVERSION CHART k coefficient of Hartridge Filter Smoke Mg m Cal 96 light absorption Smoke Units Number m 1 HSU FSN 1 61 50 3 91 264 33 1 1 66 51 3 96 272 34 0 1 71 52 4 01 281 34 8 1 76 53 4 07 290 35 6 1 81 54 4 12 299 36 4 1 86 55 4 17 308 37 2 1 91 56 4 22 317 38 0 1 96 57 4 27 326 38 7 2 02 58 4 32 335 39 6 2 07 59 4 37 345 40 4 2 13 60 4 42 355 41 3 2 19 61 4 47 365 42 2 2 25 62 4 52 375 43 0 2 31 63 4 57 385 43 9 2 38 64 4 62 395 44 8 2 44 65 4 67 406 45 7 2 51 66 4 72 416 46 6 2 58 67 4 76 428 47 5 2 65 68 4 81 439 48 4 2 72 69 4 86 450 49 3 2 80 70 4 91 462 50 3 2 88 71 4 96 475 51 3 2 96 72 5 01 489 52 3 3 04 73 5 07 501 53 2 3 13 74 5 12 514 54 3 3 22 75 5 17 529 55 3 3 32 76 5 23 544 56 4 3 42 77 5 28 559 57 5 3 52 78 5 34 575 58 5 3 63 79 5 40 591 59 6 3 74 80 5 45 609 60 7 3 86 81 5 51 626 61 9 3 99 82 5 57 648 63 1 4 12 83 5 65 669 64 3 4 26 84 5 72 691 65 5 4 41 85 5 80 712 66 8 4 57 86 5 87 737 68 1 4 74 87 5 95 760 69 4 4 93 88 6 04 786 70 8 5 13 89 6 13 815 72 3 DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 29 SPARES AND AFTER SALES SERVICE Spare parts and service are available through our service agent Initial contact should be made via the Crypton Product Support Helpline on 44 0 1278 436252 All spare parts purchases are subject to minimum order values DIESELTUNE Techno
23. y as follows Fl To select test type F2 To select test units F3 select engine type F4 To exit program use with ALT F5 select Special Functions F6 To select Set Zero force an automatic calibration F7 To select Plot F8 To select Print F9 To select Low Smoke Test See M O T test procedure note D F10 To continue DX250 SOFTWARE OPERATORS MANUAL UK MOT 2002 Page 7 he Three selection panels to allow choice of MOT type Test type and Engine type during MOT tests Press FI to select the required test type MOT Start an MOT test ACTUAL Continuous or dynamometer testing PEAK Single acceleration test CALIBRATION This area is only accessible by a UKAS engineer and is used for Annual calibration and clock resetting Once an MOT test has been confirmed by pressing F10 the F1 key is used to select test type A Class IV amp VII or type B PSV HGV Press F2 to select the required test type for MOT or units for live readings If MOT type A or CALIBRATE is selected F2 has no function If MOT type B is selected then F2 is used to select a standard or RPC type test If Actual or Peak readings are selected then F2 can be used to define the units that the smoke value will be displayed in as follows km Coefficient of Light absorption with temperature correction to 100 C HSU Hartridge Smoke Units i e equivalent to an optical path length of 0 43 m with temperature correction to 100 C
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