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Easidew Plus Portable

Hygrometer

For Kahn Instruments' contact information please go to

www.kahn.com

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Содержание Easidew Plus

Страница 1: ...uments Inc 2015 This document is the property of Kahn Instruments and may not either in part or whole be copied or otherwise reproduced communicated in any way to third parties nor stored in any data...

Страница 2: ...Easidew Plus Portable Hygrometer For Kahn Instruments contact information please go to www kahn com...

Страница 3: ...14 5 4 Checking the Easidew Plus Portable Hygrometer Electronics Calibration 14 5 5 List of Spares 14 5 6 Troubleshooting 15 Contents Safety v Electrical Safety v Pressure Safety v Toxic Materials v...

Страница 4: ...er supplied with the instrument are 90 to 264 V AC 47 63 Hz NOTE No other battery charger unit other than that supplied with the instrument should be used NOTE Do not allow the battery to fully discha...

Страница 5: ...gram lb pound mA milliampere m meter mm millimeter MPa megapascal Nl min normal liters per minute psig pound s per square inch gauge scfh standard cubic feet per hour m micrometer ohm V Volts Warnings...

Страница 6: ...meter is powered by a rechargeable NiMH battery pack giving between 12 and 16 hours of measurement time from a full charge The instrument is delivered complete with a universal battery charger stored...

Страница 7: ...ccur within the case If this occurs Before opening the lid open the black pressure relief valve by one turn counter clockwise for a few seconds This will equalize the pressures When the case has been...

Страница 8: ...oulder of the Swagelok tube fitting body Finger tighten the nut 5 Mark the nut at the 6 o clock position While holding the fitting body steady tighten the nut 1 turns to the 9 o clock position NOTE Co...

Страница 9: ...nts are to be taken at atmospheric pressure or line pressure the adaptors need to be installed as shown in Figure 1A Readings at atmospheric pressure Readings at line pressure System pressures from 15...

Страница 10: ...stem to atmospheric pressure otherwise severe injury could result NOTE Filters are essential for potentially dirty contaminated gases the installed filter should be checked before and after use and re...

Страница 11: ...ument it can be accessed by removing two screws 5 The battery pack can be recharged using the supplied charger via the battery charging socket and should be recharged whenever the battery level meter...

Страница 12: ...PERATION 3 5 4 20 mA Output Socket Wiring The Easidew Plus Portable Hygrometer provides a linear 4 20 mA output scaled from 76 to 140 F 60 to 60 C The socket accepts a 3 pole jack plug supplied and sh...

Страница 13: ...able to water vapor as the water molecule is extremely small compared to the structure of solids even when compared to the crystalline structure of metals The graph to the right shows the dew point in...

Страница 14: ...oint should always be as close to the critical measurement point as possible in order to obtain a truly representative measurement The length of the sample line to the sensor or instrument should be a...

Страница 15: ...from liquid droplets and can even stop flow to the analyzer completely when a large slug of liquid is encountered Condensation and Leaks Dewpoint T Dewpoint T Maintaining the temperature of the sampl...

Страница 16: ...ow the response of the sensor to changes in moisture content An excessively high flow rate can Introduce back pressure causing slower response times and unpredictable effects on equipment such as humi...

Страница 17: ...pack 1 Insure that the instrument is switched off and that the battery charger current output and any sampling components are also disconnected 2 Remove and retain the 10 Phillips head screws from th...

Страница 18: ...s below Completely unscrew the cable gland on the GDSN connector to release the cable tension Remove the locking screw from the back of the connector retaining the metal O ring Remove the connector bl...

Страница 19: ...Optional Figure 4 2 Wire Connection View Showing Rear of Connector Terminal Block To verify if the display electronics are within calibration a 4 20mA current source can be connected in place of the...

Страница 20: ...ith 4 20mA source Exchange sensor Display shows ErrH Sensor reading over range Sensor current signal 20mA Sensor element short circuit Sensor may have been exposed to saturation conditions or liquid c...

Страница 21: ...Easidew Plus Portable Hygrometer User s Manual 16 97478 Issue 1 October 2014 APPENDIX A Appendix A Technical Specifications...

Страница 22: ...ed Operating Conditions Operating Temperature 4 to 122 F 20 to 50 C Storage Temperature 40 to 167 F 40 to 75 C Operating Pressure Up to 4350 psig 300 barg Mechanical Specifications Display Flush mount...

Страница 23: ...Easidew Plus Portable Hygrometer User s Manual 18 97478 Issue 1 October 2014 APPENDIX B Appendix B EU Declaration of Conformity...

Страница 24: ...Easidew Plus Portable Hygrometer User s Manual Kahn Instruments 19 APPENDIX B Appendix B EU Declaration of Conformity...

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