Pfeiffer Vacuum APR 250 Operating Instructions Manual Download | Manualshive

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BG 5035 BEN

/

B (2014-

08)

A P A S S I O N F O R P E R F E C T I O N

APR 250, APR 260, APR 262,
APR 265, APR 266, APR 267

Compact Piezo Gauge

Operating Instructions

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Summary of Contents for APR 250

Page 1: ...BG 5035 BEN B 2014 08 A P A S S I O N F O R P E R F E C T I O N APR 250 APR 260 APR 262 APR 265 APR 266 APR 267 Compact Piezo Gauge Operating Instructions ...

Page 2: ...be taken from the product nameplate If not indicated otherwise in the legends the illustrations in this document correspond to the gauge with the vacuum connection DN 16 ISO KF They apply to gauges with other vacuum connections by analogy We reserve the right to make technical changes without prior notice The Compact Piezo Gauges have been designed for vacuum measurement in a pressure range of 0 1...

Page 3: ...lectrical Connection 8 3 2 1 Use With a Pfeiffer Vacuum Measurement Unit 8 3 2 2 Use With Another Evaluation Unit 8 4 Operation 10 5 Maintenance 11 5 1 Aligning the Gauge Zero Alignment 11 5 2 Cleaning the Gauge 12 5 3 Troubleshooting 13 6 Deinstallation 13 7 Accessories 14 8 Decommissioning 14 Appendix 15 A Relationship Measuring Signal vs Pressure 15 B Conversion of Pressure Units 15 For cross r...

Page 4: ... generated by the product Adhere to the applicable regulations and take the necessary precautions for all work you are going to do and consider the safety information in this document Before you begin to work find out whether any vacuum components are con taminated Adhere to the relevant regulations and take the necessary precau tions when handling contaminated parts Pass on the safety information...

Page 5: ...0 750 1500 7500 Output signal measurement range V 1 0 9 8 1 0 9 8 1 0 9 8 1 0 9 8 1 0 9 8 1 0 9 8 Error signal V 0 4 0 4 0 4 0 4 0 4 0 4 Minimum load short circuit proof kΩ 10 10 10 10 10 10 Materials exposed to the vacuum stainless steel 1 4435 Internal volume DN 16 ISO KF cm3 DN 16 CF F cm 3 G cm3 4 VCR cm 3 2 2 6 0 5 0 5 0 5 1 0 0 5 Supply DANGER The gauges may only be connected to supply or me...

Page 6: ... 10 Ω Normal load 100 kΩ Minimum load 10 kΩ short circuit proof Response time 10 ms Grounding concept Figure 1 Supply common signal common conducted separately differential measurement recommended for cable lengths 10 m Gauge identification 13 2 kΩ 1 Dimensions mm G1 4 4 VCR male ø33 6 100 15 8 12 DN 16 ISO KF DN 16 CF F ø33 6 131 104 Weight 120 g ISO KF flange and G 150 g CF F flange 200 g 4 VCR ...

Page 7: ...ve the protective cap Keep the protective lid Make the flange connection DANGER DANGER overpressure in the vacuum system 250 kPa KF flange connections with elastomer sealing rings e g O rings cannot withstand such pressures Process media can thus leak and possibly damage your health Use sealing rings provided with an outer centering ring DANGER DANGER overpressure in the vacuum system 100 kPa If c...

Page 8: ...The gauge can also be operated with other evaluation units In this case an individual connection cable must be made For cable lengths up to 10 m with a conductor cross section of 0 34 mm2 the measuring signal can be read directly between the positive signal output pin 2 and the supply common pin 5 without the degree of accuracy being lowered For longer measurement cable lengths we recommend a diff...

Page 9: ...gnal Pin 3 signal common Pin 4 supply Pin 5 supply common Pin 6 screen 2 5 3 4 1 6 WARNING The supply common pin 5 and the screen pin 6 must be connected to the supply unit with protective ground Incorrect connection incorrect polarity or inadmissible supply voltages can damage the gauge Reassemble the connection socket Plug in the connection socket Secure the connector on the gauge with the screw...

Page 10: ...the required voltage is applied the measuring signal is available between pins 2 and 3 Appendix for the relationship between the measuring signal and the pressure The measuring signal is not dependent on the type of gas being measured absolute pressure measurement ...

Page 11: ...essary precautions when handling contaminated parts The gauge is factory calibrated Realigning is usually not necessary If realignment should nevertheless be required proceed as follows Screw driver No 1 Vacuum pump with a final pressure 0 1 hPa Loosen the union nut Lift the connection terminal Evacuate p 0 1 hPa Correct alignment Display 0 U 1 V Reassemble the gauge in reverse order 5 1 Aligning ...

Page 12: ...ns and take the necessary precautions when handling and disposing of cleaning agents Remove the gauge from the vacuum system 13 Fill it with cleaning alcohol Allow the alcohol to work for 5 minutes Pour the alcohol out of the measuring chamber Allow the measuring chamber to dry for at least 10 minutes Reinstall the gauge 7 5 2 Cleaning the Gauge Tools material required Procedure ...

Page 13: ...DANGER DANGER contaminated parts Contaminated parts can be detrimental to health Before you begin to work find out whether any parts are contami nated Adhere to the relevant regulations and take the necessary precautions when handling contaminated parts Caution Caution vacuum component Dirt and damages impair the function of the vacuum component When handling vacuum components take appropriate mea...

Page 14: ... m 6 m 10 m Connection socket Hirschmann GO 6 WF 6 pin angled female PT 448 250 T PT 448 251 T PT 448 252 T B 4707 283 MA 8 Decommissioning WARNING WARNING substances detrimental to the environment Products operating materials etc may have to be specially decom missioned For environmentally compatible disposal please contact your nearest Pfeiffer Vacuum Service Center ...

Page 15: ...measuring signal p pressure measured F S full scale of the gauge used 5 same pressure unit 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 5 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 A Relationship Measuring Signal vs Pressure B Conversion...

Page 16: ...onent to complex systems We are the only supplier of vacuum technology that provides a complete product portfolio Benefit from our know how and our portfolio of training opportunities We can support you with your plant layout and provide first class on site service worldwide Are you looking for a perfect vacuum solution Please contact us Pfeiffer Vacuum GmbH Headquarters Germany Tel 49 0 6441 802 ...

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