Stationary Measurement Solutions

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$Thermographic Monitoring of Refractory Lined Petroleum Refinery ...$

94Monitoring trace humidity professionally with testo 6740Reliabletechnology –professionalintegrationBernd Rombach,ApplicationConsultationOur customersin industryappreciate ourreliabletechnology.Most customers,especially the“Key Accounts”of course, alsoexpectprofessional userconsultation. We help to integrateour products optimally into thecustomer’s process.testo 6740 can bescrewed directly into theprocessThe measuring chamberprovides optimum flowand fast installation anddeinstallationFor process temperaturesup to +200 °C: pre-fittingof the cooling coil and themeasurement chamberOptimum dryer monitoringand humidity regulation ofadsorption dryers
95Optimal for trace humidity measurementThe testo humidity probe is generally adjusted at several points, so thatonly minimal deviations occur. In addition to this, for trace humiditymeasurement an adjustment is carried out and documented at -40°Ctpd/-40 °Ftpd (pressure dewpoint) with the help of a highly accuratereference measurement (dewpoint mirror). Reliable and exactmeasurement values are thus available to the user in the relevant range (to-60 °Ctpd/-76 °Ftpd).Monitoring trace humidity, avoiding damageCompressed air, air and gases are used in all areas of industry. Humidity isusually undesired here, as it causes damage, or can also reduce thequality of the end product, as the diagram below shows.Production Distribution UserCompressor>>DryerCorrosion in pipes &functional componentsPneumatic drives:- interruption of lubrication- mechanical damageFormation of ice inrefrigerated and outsideareasThat’s why: reliable trace humidity measurement with testo 6740!e.g. Transport airfor pharmaceuticalpowdere.g. medicalcompressed airdamp powdersticks togetherBacterial growth(European druglegislation)In critical applications, testo 6740 monitors thecompressed air humidity directly before the user – e.g.in electronics production.NEW!For professional trace humidity measurement, see testo 6681 withprobe 6615• highest accuracy and very good long-term stabilty• exchangeable, adjustable probes• probe version specially for trace humidity• robust metal housing• option for Profibus DP interface• early warning reports/self-diagnosis• operation using the P2A software from Testo or directly via 4 buttons• traceability of all settings/reports via internal record• all common designs and signal outputs can be custmer-specificallyorderedIn high and medium voltage, SF 6is used to avoidswitch sparking. testo 6740 constantly monitorshumidity – this way, the exchange cycles of theexpensive gas can be maximized; damage is avoided.
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Committing to the futureII/2008Stat
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4Overview of contents by applicatio
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6Humidity sensor with an informatio
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8Overview of humidity measurement t
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10The air conditioning transmitter
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12testo 6621 - With external interf
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14Humidity transmitters testo 6651
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16Common features + benefits testo
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18Humidity transmitter testo 6651Pr
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20Order codes measurement transmitt
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22Ordering options probe range test
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24Humidity transmitter testo 6681Pr
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26Order code measurement transmitte
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28Ordering options probe range test
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30testo 6681 - the industrial humid
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32testo 6681 - high humidity and tr
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34P2A software for testo 6621, test
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36Accessories Testo humidity transm
Page 38 and 39:
38Humidity transmitters hygrotestEx
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40hygrotest 600: Standard humidity
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42hygrotest 650 - High performance
Page 44 and 45: 44hygrotest 650 HP: Special measure
Page 46 and 47: 46hygrotest 650 G8-H8/H9: The solut
Page 48 and 49: 48Compact transmitter for humidity
Page 50 and 51: 50Differential pressure transmitter
Page 52 and 53: 52testo 6340 - Highest stability ev
Page 54 and 55: 54testo Saveris - Measurement data
Page 56 and 57: 56testo Saveris System overviewtest
Page 58 and 59: 58testo Saveris Components: Radio p
Page 60 and 61: 60testo Saveris Accessories: Extern
Page 62 and 63: 62Stationary temperature measuremen
Page 64 and 65: 64Selection of the probe components
Page 66 and 67: 66Overview of probe types 02 / 03 /
Page 68 and 69: 68Overview of probe types 09 /10 /1
Page 74 and 75: 74Overview of probe types 30 / 31:
Page 76 and 77: 76LinesThermal and equalising lines
Page 78 and 79: 78Signal output with temperature tr
Page 80 and 81: 80Selection assistance temperature
Page 82 and 83: 82Selection assistance temperature
Page 84 and 85: 84Process display with testo 54: di
Page 86 and 87: 86The optimum process units for eve
Page 88 and 89: 88Modular flow velocity transmitter
Page 90 and 91: 90testo 6721 Pressure Dewpoint Guar
Page 92 and 93: 92testo 6721 - Long-term stable and
Page 96 and 97: 96Assuring quality - lowering costs
Page 98 and 99: 98testo 6740: System components, or
Page 100 and 101: 100Pressure dewpoint or atmospheric
Page 102 and 103: 102On-site trace humidity adjustmen
Page 104 and 105: 104Compressed air counter testo 644
Page 106 and 107: 106Saving compressed air costs with
Page 114 and 115: 114Compressed air counter 6445Appli
Page 116 and 117: 116Compressed air counter 6445Techn
Page 118 and 119: 118Current/voltage data logger with
Page 120 and 121: 120Notes
Page 122 and 123: 122Notes
Page 124 and 125: Testo: At Your ServicePlease send f
Page 126 and 127: More service with• Commissioning
Page 128: Drawing area for custom temperature
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