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Edwards PRG20K, Instruction Manual, Page: 6 / 24

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Summary of Contents for PRG20K

Page 1: ...edwardsvacuum com PRG20K AND PRG20KCR PASSIVE PIRANI GAUGE INSTRUCTION MANUAL Publication number D0300020001EN Issue A Original Instructions ...

Page 2: ...0 m D03000205 PRG cable 50 m to which this declaration relates is in conformity with the following standard s or other normative document s EN61010 1 2010 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use General Requirements EN61326 1 2013 Class B Industrial Electrical equipment for measurement control and laboratory Use EMC requirements General requirements ...

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Page 4: ...Copyright notice Edwards Limited 2017 All rights reserved Trademark credits Edwards and the Edwards logo are trademarks of Edwards Limited D0300020001EN Copyright notice Page 2 ...

Page 5: ...ead NW16 5 PRG20K gauge head DN16CF 5 PRG20KCR gauge head NW16 6 Installation 7 Supplied equipment 7 Connection of the gauge head 7 Adjustment of the gauge head 8 Adjustment of the gauge head in connection with operating units PGC201 and PGC202 8 Maintenance 9 Exchanging the sensing cell 9 Spare parts and accessories 11 Spares 11 Accessories 11 Storing and waste disposal 12 Storage 12 Disposal 12 ...

Page 6: ...D0300020001EN Contents Page ii List of Figures Dimensions 6 Gauge head PRG20K NW16 Al PRG20K DN16CF SS PRG20KCR NW16 SS 8 Disassembled PRG20K NW16 Al PRG20K DN16CF SS PRG20KCR NW16 SS gauge head 10 ...

Page 7: ...ecessary precautions for all work to be performed and consider the safety instructions in this document Ensure that all vacuum components have not been contaminated before beginning any work If so adhere to the relevant regulations and take the necessary precautions when handling contaminated parts The PRG heads must only be operated with Edwards PGC201 or PGC202 vacuum gauge controller instrument...

Page 8: ...r or third persons Do not observe the information given in this document Do not use the product as intended Modify the product in any way conversions repair work etc Operate the product with accessories not listed in the corresponding product documentation Subject to technical alterations without prior notice The figures are not binding ...

Page 9: ...ould this be required After an exchange of the sensing cell a recalibration is required by adjusting two potentiometers within in the gauge head Product identification In all communications with Edwards please specify the information on the product nameplate Validity This document applies to products with part numbers The part number No can be taken from the product nameplate Intended use The PRG ...

Page 10: ...d at a later date Retain the packaging materials in the event of complaints about damage Carefully examine the visually If any damage is discovered report it immediately to the forwarding agent and insurer If the gauge head has to be replaced contact the orders department Scope of delivery PRG gauge head Securing bow for connection plug ...

Page 11: ...ium Aluminium glass Vacon Tungsten chrome nickel 8020 steel nickel plated Epoxy adhesive Operating temperature 0 to 40 C Maximum ambient temperature 80 C Measurement range 0 5 x 10 4 to 1 x 103 mbar Filament temperature 110 C Disruption pressure Burst pressure absolute 10 bar Measurement volume 10 cm3 Connection flange DN 16 CF Filament material Tungsten Material in contact with the medium Stainle...

Page 12: ...r Filament temperature 110 C Disruption pressure Burst pressure absolute 10 bar Measurement volume 10 cm3 Connection flange NW16 Filament material Platinum Material in contact with the medium Stainless steel 1 4301 Platinum chrome nickel 8020 ceramics Al2O3 NiFe 42 Operating temperature 0 to 40 C Max ambient temperature 80 C ...

Page 13: ...resence of substances which cannot be removed by solvents Suitable orifice plates or bends may be employed to keep any possible sources of contamination away from the gauge head Bent lines should be laid in such a way that no condensate can collect or the vacuum line cannot become blocked The gauge heads are connected to the operating unit via standard gauge head cables For the purpose of improved...

Page 14: ...and set 100 potentiometer Figure 2 item 1 so that the controller indicates full scale atmospheric pressure Pump down vacuum system to a pressure below 5 x 10 4 mbar and set 0 potentiometer Figure 2 item 2 so that the controller indicates 0 Vent vacuum system and recheck the 100 adjustment Correct deviation if any by means of potentiometer If a correction of the 100 adjustment was necessary the zer...

Page 15: ...act spring item 4 by loosening the fixing screw item 3 Remove the sensing cell item 11 together with the PCB and plug item 6 from the remaining shell Carefully separate the sensing cell item 11 from the PCB item 6 Remove the insulating plate item 5 from the measurement cell Exchange the sensing cell Insert insulating plate item 5 between PCB and measurement cell WARNING Contaminated parts can be d...

Page 16: ...ainst the sensing cell The gauge head is reassembled in the reverse order Figure 3 Disassembled PRG20K NW16 Al PRG20K DN16CF SS PRG20KCR NW16 SS gauge head 1 One half of the housing with plastic catches 2 Plastic catch 3 Plastic catch 4 Contact spring 5 Insulating plate 6 PCB complete 7 One half of the housing with slots 8 Slots for opening the housing 9 Cap 10 Holder 11 Sensing cell ...

Page 17: ...roduct nameplate Description and ordering number according to the spare parts list Accessories Product description Item number Replacement sensing cell K D03000209 Replacement sensing cell KCR D03000229 Product description Item number PRG Cable 5m D03000201 PRG Cable 10m D03000202 PRG Cable 20m D03000203 PRG Cable 30m D03000204 PRG Cable 50m D03000205 ...

Page 18: ...s are within the scope of the European Directive on Waste and Electronic Equipment 2012 19 EU Edwards offers customers a recycling service for the product cables associated gauge heads at the end of the product s life Contact Edwards for advice on how to return the PRG and or cables for recycling CAUTION Cover the vacuum ports of the product with protective caps or grease free aluminium foil Do no...

Page 19: ... declaration of contamination are returned to the sender at his own expense WARNING Products returned to Edwards for service or repair should if possible be free of harmful substances for example radioactive toxic caustic or microbiological Otherwise the type of contamination must be declared Adhere to the forwarding regulations of all involved countries and forwarding companies and enclose a comp...

Page 20: ...ted according to their materials and recycled WARNING Contaminated parts can be detrimental to health and environment Before beginning to work find out whether any parts are contaminated Adhere to the relevant regulations and take the necessary precautions when handling contaminated parts WARNING Products returned to Edwards for service or repair should if possible be free of harmful substances fo...

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Page 23: ...n of Vacuum equipment and Components Procedure HS1 If you are returning a vacuum pump note the following If a pump is configured to suit the application make a record of the configuration before returning the pump All replacement pumps will be supplied with default factory settings Do not return a pump with accessories fitted Remove all accessories and retain them for future use The instruction in...

Page 24: ...P800 80 000 Issue T edwardsvacuum com ...

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