Pfeiffer Vacuum PTR 225, Operating Instructions Manual

Page 1: ...BG 5043 BEN A 2016 10 OPERATING INSTRUCTIONS Translation of the original instructions PTR 225 PTR 225 S PTR 237 Penning Gauge ...

Page 2: ... PTR 225 PTR 225 S or PTR 237 immediately after delivery even if it is to be installed at a later date Examine the packaging for any external damage Completely remove all packaging materials Retain the shipping container and the packaging materials in the event of complaints about damage Check that the PTR 225 PTR 225 S or PTR 237 is complete and carefully examine the gauges visually If any damage...

Page 3: ...ition characteristic in the high vacuum range has been ob tained through the special design for the electrodes in the measurement system The PTR 225 S Penning gauge is equipped with an adjustable switching threshold The switching element is a relay The status of the threshold is indicated by a LED Penning gauge Replacement cathode plate of titanium Replacement ceramics disc 3 5 mm jack plug PTR 22...

Page 4: ...reshold PTR 225 S 11 3 2 7 Monitor Output 12 4 Operation 13 4 1 Operation 13 4 2 Measurement System Status Indication 14 4 3 Degassing 14 5 Maintenance 15 5 1 The Electronics Assembly 15 5 2 Cleaning the Sensor 15 5 2 1 Detaching the Electronics Assembly 15 5 2 2 Disassembly of the Sensor 16 5 2 3 Cleaning the Individual Parts 16 5 2 4 Assembly of the Sensor 16 5 2 5 Assembly of the Electronics As...

Page 5: ...the applicable regulations and take the necessary precautions for all work you are going to do and consider the safety instructions in this document Before beginning to work find out whether any vacuum components are conta minated Adhere to the relevant regulations and take the necessary precautions when handling contaminated parts Communicate the safety instructions to all other users Pfeiffer Va...

Page 6: ...rement system detachable Vacuum connection DN 25 KF or DN 40 CF Degassing temperature see Section 4 3 Internal volume 21 cm 3 approx Materials in contact with the medium stainless steel CrNi AL2O3 ceramics NiFe Ni titanium Overpressure tolerance 10 bar abs The limits for the flange connections must be observed Operating voltage 1 6 kV current limited to 0 5 mA Ignition voltage 2 8 kV current limit...

Page 7: ...ed HV off 0 V For this refer also to section 3 2 4 Dimensions mm Fig 1 Dimensional drawing for PTR 225 and PTR 225 S Weight 500 g approx Storage temperature range 20 C to 70 C Climatic rating KWF to DIN 40040 Operating temperature range 10 C to 50 C Max rel humidity of the ambient air on 30 days per year non condensing 70 1 or 95 2 1 usable measurement range 10 2 to 10 9 mbar 2 usable measurement ...

Page 8: ... or PTR 237 the cathode plate 7 5 also acts as a baffle The supply voltage and the high voltage switching signal as well as the measure ment voltage signal are carried through the 8 way FCC 68 socket Fig 2 Connection socket The pinout is given in Fig 2 Pin Signal Designation on the rear Pin 1 Supply voltage 14 5 V to 36 V DC 24 V DC Pin 2 0 V supply used as the ground reference for the supply and ...

Page 9: ...BG 5043 BEN A 2016 10 PTR225_237 oi 9 Fig 3 Block diagram PTR 225 PTR 225 S PTR 237 ...

Page 10: ...8 switches the high voltage off when there is no contact with Pin 1 open input or a voltage of less than 7 V is present with reference to Pin 2 Operation of the PTR 225 PTR 225 S or PTR 237 in the pressure range above 10 2 mbar will cause the accumulation of contaminations and will thus reduce service life For this reason the high tension should only be switched on or off when the pressure has dro...

Page 11: ...ed through potentiometer 4 2 in the range between 1 10 3 1 10 9 mbar To adjust the threshold remove the cap 4 2 and use a screwdriver to adjust the threshold to the desired level In order to check the adjustment a voltmeter may be connected to the monitor output 4 1 see Section 3 2 7 and Table 1 in the Annex The threshold switch is a floating relay changeover contact which may be accessed via plug...

Page 12: ...at the measurement signal and the trigger setting may be measured The stereo jack plug which is included with the instrument may be used to connect a voltmeter for example For this also refer to Fig 5 Value for the trigger threshold Fig 5 Jack plug for the monitor output 3 2 7 Monitor Output Measurement signal ...

Page 13: ...hich is the Penning g or the gauge b moving the gau en inadvertent smitter front v y voltage to th on on via the h on and at a pr ll come on ady to make m missing nal 0 V e is present has not been s nal 0 V e is present has been swit e has been sta ver 3 10 9 mba nal 0 66 V dangerous wh gauge You m efore starting uge from the c tly coming in to view K 1 2 e gauge The high tension sw ressure 3 10 e...

Page 14: ...sing cell The electronics assembly may be damaged when exceeding a temperature of 70 C Before baking out you must make sure that an aluminum edged seal PTR 225 PTR 225 S or a copper seal PTR 237 is used as the flange seal The Penning gauge PTR 225 PTR 225 S or PTR 237 are equipped with all metal sensing cells so that any outgassing caused by polymer seals is entirely avoided After having detached ...

Page 15: ...e electronics assembly of the Penning gauge PTR 225 PTR 225 S or PTR 237 does not require any maintenance DANGER A high tension which is dangerous when touched is applied to the sensor in the Penning gauge You must always switch off the supply voltage for the gauge before starting any work on the gauge even when removing the gauge from the connection flange so as to avoid injury when inadvertently...

Page 16: ...e c 7 3 from th he sealing surf mination the in n subjected to surized air or n e out of the ho e 7 5 should e anode ring 7 3 which protec n the reverse ng 7 4 you m of the ignition e anode ring i plate 7 5 into efore insert slo ng the anode 7 ode plate 7 5 ng out from th e current feed Ke 1 2 3 4 5 6 faces of the va nside of the ho o further clean nitrogen Any ousing be replaced b 7 4 with the ig...

Page 17: ...r and turn slightly as required until the correct orientation between electronics assembly and sensor has been found When the electronics assembly has been placed as required the black magnet housing is fully surrounded by the housing of the PTR 225 PTR 225 S or 237 3 Retighten the cross head screws at the rear of the gauge 5 2 5 Assembly of the Electronics Assembly ...

Page 18: ...ng cell Clean the sensing cell For this refer to section 5 2 During pumpdown the measurement signal re mains at some level al though the pressure is dropping Contamination within the sen sing cell Replace the sen sing cell 7 Wearing Parts and Original Spare Parts When ordering spare parts always indicate all information on the product nameplate description and ordering number according to the spar...

Page 19: ...ould if possible be free of harmful substances e g radioactive toxic caustic or microbiological Otherwise the type of contamination must be de clared Adhere to the forwarding regulations of all involved countries and for warding companies and enclose a completed contamination declara tion form under www pfeiffer vacuum com Products that are not clearly declared as free of harmful substances are de...

Page 20: ...chanical and electric components operating fluids etc can be detrimental to the environment Dispose of such substances in accordance with the relevant local regulations After disassembling the product separate its components according to the following criteria Contaminated components radioactive toxic caustic or biological hazard etc must be decontaminated in accordance with the relevant national ...

Page 21: ...12E 0 1 33E 0 1 59E 0 1 88E 0 2 24E 0 2 66E 0 3 16E 0 3 76E 0 4 47E 0 5 31E 0 6 31E 0 7 50E 0 8 91E 0 1 06E 0 1 26E 0 1 50E 0 1 78E 0 2 11E 0 2 51E 0 2 99E 0 3 55E 0 4 22E 0 5 01E 0 5 96E 0 7 08E 0 8 41E 0 re U Out V 7 6 7 6 1 7 6 2 7 6 3 7 6 4 7 6 5 7 6 6 7 6 7 7 6 8 7 6 9 7 7 7 7 1 7 7 2 6 7 3 6 7 4 6 7 5 6 7 6 6 7 7 6 7 8 6 7 9 6 8 6 8 1 6 8 2 6 8 3 6 8 4 6 8 5 Pressure mbar 1 00E 05 1 19E 05 1...

Page 22: ...act mbar Bar Pa hPa kPa Torr mm HG mbar 1 1 10 3 100 1 0 1 0 75 Bar 1 10 3 1 1 10 5 1 10 3 100 750 Pa 0 01 1 10 8 1 0 01 1 10 3 7 5 10 3 hPa 1 1 10 3 100 1 0 1 0 75 kPa 10 0 01 1 10 3 10 1 7 5 Torr mm HG 1 332 1 332 10 3 133 32 1 3332 0 1332 1 1 Pa 1 N m 2 B Example for Connecting C Conversion Table Pressure units vacuum technology ...

Page 23: ...10 y requirements fo 61326 1 2013 requirements for Vacuum Gmb 2016 ch von Hülsen l Manager hereby decla ons of the Dire Directive on th cal and electro PTR 237 rnational natio 05 y standard for indu 07 A1 2011 n standard for indu r electrical equipm electrical equipme bH Berliner St n are that the eq ective relating t he restriction o onic equipmen onal standards ustrial environmen ustrial environ...

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