CMS/User Guide - Filterteknik

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Appendix GTo clarify matters still further, ISO standards written around the new test dustwill utilize a new identifier, ‘(c)’. Hence µm sizes according to the new ISO11171 will be expresses as ‘µm(c)’ and Beta ratios according to ISO 16889will be expressed as ‘Bx(c)’, e.g.‘B5(c)’.However, it must be stressed that the only real effect users will experiencewill be the improved accuracy in particle counts - there will be no changein the performance of filters, nor in the ISO cleanliness levels that they willachieve.The following charts shows the correlation between the old ACFTD and thenew ISO MTD.The <strong>CMS</strong> is calibrated with ISO Medium Test Dust (to ISO 11171). Thecorrelation between particle sizes and the ACFTD (old standard) to the ISOMTD (new standard) is as follows :ACFTD
Appendix GCorrelationThe table shows the correlation betweenParticle Sizes Obtained usingACFTD (ISO 4402:1991) and NIST(ISO 11171) Calibration MethodsThis table is only a guideline.The exactrelationship between ACFTD sizes and theNIST sizes may vary from instrument to instrumentdepending on the characteristicsof the particle counter and original ACFTDcalibration.Particle Size Obtained UsingACFTD ISO/NIST MTD(ISO 4402:1991) (ISO 11171)µm µm(c)1 4.22 4.63 5.14 5.85 6.46 7.17 7.78 8.49 9.110 9.811 10.612 11.313 12.114 12.915 13.616 14.417 15.218 15.919 16.720 17.521 18.222 19.023 19.724 20.525 21.226 22.027 22.728 23.529 24.230 24.931 25.732 26.433 27.134 27.935 28.536 29.237 29.938 30.539 31.140 31.7Other StandardsAlthough the ISO 4406:1999 standard is being used extensively within thehydraulics industry other standards are occasionally required and a comparisonmay be requested. The following table gives a very general comparisonNew ISO Medium Test Dust and its effect on ISO . . . 77
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CMSContamination Monitoring System
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Contents1 Introduction 7•Operatin
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E Recommendations 69F Hydraulic Sys
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2 How to OrderExample: CMS - W M K
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It comprises a USB:RS485 interface
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Moisture &TemperatureMeasurementDat
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4 Status LEDAll CMS versions have a
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5 Front Panel Operation5.1 Result D
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SimpleDetailedFigure 5.4 AS4059E Ta
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6 Water SensorCMS-W models measure
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7 Data LoggerThe CMS includes a bui
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9 USBi Optional Computer USBInterfa
Page 26 and 27: is separately available as a pre-wi
Page 28 and 29: 11 PC Software OperationThe Remote
Page 30 and 31: 12 SettingsThe CMS can be reconfigu
Page 32 and 33: The factory set value of 2 minutes
Page 34 and 35: large particles in the system. When
Page 36 and 37: NAS1638 can be used by selecting th
Page 38 and 39: This allows the CMS to switch exter
Page 40 and 41: Turns on When Test Complete ≤Lowe
Page 42 and 43: • If there is no suitable differe
Page 44 and 45: 14.1 DC PowerDC power is connected
Page 46 and 47: supplies can be used to power each
Page 48 and 49: Other ways to start a test are:•
Page 50 and 51: 15.1 Flow Rate15.1.1 SummaryFor the
Page 52 and 53: • See the figures at the start of
Page 54 and 55: 15.3 Active Flow ControlThis is onl
Page 56 and 57: allows a system to remotely monitor
Page 58 and 59: 17 Cycle Time and Flow RateConsider
Page 60 and 61: 18 Modbus ProgrammingThe CMS can be
Page 62 and 63: Appendix ATypical Water Saturation
Page 64 and 65: Appendix BMicroscope counting exami
Page 66 and 67: Appendix DSAE AS4059 REV.E Cleanlin
Page 68 and 69: Appendix DSize μm(c) >4 >6 >14 >21
Page 70 and 71: Appendix Efluids which are cleaner
Page 72 and 73: Appendix FContamination Correspondi
Page 74 and 75: Appendix GISO therefore defined the
Page 78 and 79: Appendix Gbut often no direct compa
Page 80: Appendix G80 New ISO Medium Test Du
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