Michell Instruments Easidew Portable HP Скачать руководство пользователя страница 5

Easidew Portable HP User’s Manual

Michell Instruments

 

 

v

Safety

The manufacturer has designed this equipment to be safe when operated using the procedures 

detailed in this manual. The user must not use this equipment for any other purpose than that 

stated. Do not apply values greater than the maximum value stated.

This manual contains operating and safety instructions, which must be followed to ensure the safe 

operation and to maintain the equipment in a safe condition. The safety instructions are either 

warnings or cautions issued to protect the user and the equipment from injury or damage. Use 

quali

fi

 ed personnel and good engineering practice for all procedures in this manual. 

Electrical Safety

The instrument is designed to be completely safe when used with options and accessories supplied by 

the manufacturer for use with the instrument. The instrument is powered by an internally mounted 

rechargeable battery. The input power supply voltage limits for the battery charger 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 discharge.

Pressure Safety

DO NOT permit pressures greater than the safe working pressure to be applied to the instrument. 

The speci

fi

 ed safe working pressure is 300 barg (4350 psig). Refer to the Technical Speci

fi

 cations in 

Appendix A.

Toxic Materials

The use of hazardous materials in the construction of this instrument has been minimized. During 

normal operation it is not possible for the user to come into contact with any hazardous substance 

which might be employed in the construction of the instrument. Care should, however, be exercised 

during maintenance and the disposal of certain parts. 

Repair and Maintenance

The instrument must be maintained either by the manufacturer or an accredited service agent. Refer 

to www.michell.com for details of Michell Instruments’ worldwide of

fi

 ces contact information. 

Calibration

The recommended calibration interval for the Easidew Portable is one year, unless otherwise 

speci

fi

 ed by Michell Instruments Ltd. The instrument should be returned to the manufacturer, Michell 

Instruments, or one of their accredited service agents for re-calibration (go to www.michell.com for 

contact information). 

Safety Conformity

This product meets the essential protection requirements of the relevant EU directives. Further 

details of applied standards may be found in the product speci

fi

 cation. 

Содержание Easidew Portable HP

Страница 1: ...Easidew Portable High Pressure Version User s Manual 97120 Issue 2 2 March 2016...

Страница 2: ...s information when contacting Michell Instruments for service purposes Analyzer Code Serial Number Invoice Date Location of Instrument Tag No Analyzer Code Serial Number Invoice Date Location of Instr...

Страница 3: ...may not be copied or otherwise reproduced communicated in any way to third parties nor stored in any Data Processing System without the express written authorization of Michell Instruments Ltd Easide...

Страница 4: ...nts Safety v Electrical Safety v Pressure Safety v Toxic Materials v Repair and Maintenance v Calibration v Safety Conformity v Abbreviations vi Warnings vi Appendices Appendix A Technical Specificati...

Страница 5: ...ot allow the battery to fully discharge Pressure Safety DO NOT permit pressures greater than the safe working pressure to be applied to the instrument The specified safe working pressure is 300 barg 4...

Страница 6: ...ram 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 7: ...f measurement time from a full charge The instrument is delivered complete with a universal battery charger stored in the lid It takes 16 hours to fully charge the battery pack during which time the i...

Страница 8: ...letely sealed If the instrument is taken through altitude changes a pressure differential will occur within the case If this occurs Before opening the lid open the black pressure relief valve by one t...

Страница 9: ...d 4 Insert the tube adapter until it rests firmly on the shoulder 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 stead...

Страница 10: ...as supply line to the instrument Gas In port 5 Connect the sample gas vent line to the instrument Gas Out port 6 Switch the instrument on The display will begin to change as the sensor responds to the...

Страница 11: ...t Dew Point T100 Response Time mins C F 30 22 15 40 40 30 50 58 60 60 76 180 The Easidew sensor fitted to the Easidew Portable is designed and calibrated to measure dew points as low as 100 C 148 F Ho...

Страница 12: ...the instrument 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 le...

Страница 13: ...ter 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 inside tubin...

Страница 14: ...point 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...

Страница 15: ...id 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 sample system t...

Страница 16: ...this problem Slow 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 equipme...

Страница 17: ...nt To remove the sensor or battery pack 1 Ensure instrument is switched off and that the battery charger current output and any sampling components are also disconnected 2 Remove and retain the 10 cro...

Страница 18: ...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 bloc...

Страница 19: ...ure 3 2 Wire Connection View Showing Rear of Connector Terminal Block To verify the display electronics are within calibration a 4 20mA current source can be connected in place of the sensor At 4 mA t...

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

Страница 21: ...Easidew Portable HP User s Manual Michell Instruments 15 APPENDIX A Appendix A Technical Specifications...

Страница 22: ...age Temperature 40 to 75 C 40 to 167 F Operating Pressure Up to 30 MPa 300 barg 4350 psig Mechanical Specifications Display Flush mounted 3 5 digit red LED Case Yellow propylene with charger and outpu...

Страница 23: ...Easidew Portable HP User s Manual Michell Instruments 17 APPENDIX B Appendix B EC Declaration of Conformity...

Страница 24: ...Easidew Portable HP User s Manual 18 97120 Issue 2 2 March 2016 APPENDIX B Appendix B EU Declaration of Conformity...

Страница 25: ...Easidew Portable HP User s Manual Michell Instruments 19 APPENDIX C Appendix C Quality Recycling Warranty Information...

Страница 26: ...Directive and the Restriction of Hazardous Substances RoHS Directive place rules upon European manufacturers of electrical and electronic equipment The directives aim is to reduce the impact that ele...

Страница 27: ...full description of the fault and the customer contact information 3 Upon receipt Michell Instruments will evaluate the product to determine the cause of the malfunction Then one of the following cour...

Страница 28: ...Easidew Portable HP User s Manual 22 97120 Issue 2 2 March 2016 APPENDIX D Appendix D Decontamination Declaration...

Страница 29: ...ls YES NO Radioactive substances YES NO Other hazards YES NO Please provide details of any hazardous materials used with this equipment as indicated above use continuation sheet if necessary Your meth...

Страница 30: ...Easidew Portable HP User s Manual 24 97120 Issue 2 2 March 2016 NOTES...

Страница 31: ...Easidew Portable HP User s Manual Michell Instruments 25 NOTES...

Страница 32: ...http www michell com...

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