Meggitt P702B User Manual Download Page 1

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Meggitt Sensing Systems

20511 Seneca Meadows Parkway, Germantown MD 20876, USA

Meggitt (Maryland), Inc d/b/a Meggitt Sensing Systems

Tel: +1 (301) 330-8811

Tel: +1 800 WILCOXON

Fax: +1 (301) 330-8873

www.meggittsensingsystems.com

www.meggitt.com

90589 Rev B.3 4/13

Wilcoxon Research P702B/P702BF-1 operating guide

Power unit/amplifier for piezoelectric transducers with internal amplifiers

Caution:

This manual should be read carefully before installation.

Summary of Contents for P702B

Page 1: ...Systems Tel 1 301 330 8811 Tel 1 800 WILCOXON Fax 1 301 330 8873 www meggittsensingsystems com www meggitt com 90589 Rev B 3 4 13 Wilcoxon Research P702B P702BF 1 operating guide Power unit amplifier...

Page 2: ...eparation for use 4 3 4 Use in measurement system 5 3 5 Filtering 6 3 6 Precaution in use 6 4 0 Maintenance and troubleshooting 6 4 1 Battery replacement 6 4 2 Initial checks 6 4 3 FAULT monitor 7 4 4...

Page 3: ...identical to P702B except that the frequency response of the P702BF 1 is specified as 3 dB from 0 5 Hz to 20 kHz versus 0 5 Hz to 50 kHz for the P702B in acceleration mode Other than the high end fre...

Page 4: ...ipment is required 3 3 Preparation for use Depress toggle the ON OFF BATT power switch to the BATT momentary contact position The battery condition indicator should show a steady green light Release s...

Page 5: ...ain setting X1 a less sensitive accelerometer may be required to lower the output voltage fed to the P702B so the output voltage drops below 6 Volts If a signal proportional to velocity is desired set...

Page 6: ...new batteries function correctly 4 2 Initial checks Depress ON OFF BATT power switch to BATT position The battery condition indicator should show a steady green light Release switch Connect the prope...

Page 7: ...ystem If this restores proper operation the original P702B is malfunctioning and should be returned to the factory for repair 4 4 Electrical calibration The validity of the measurements performed by t...

Page 8: ...is the user s responsibility to supply the required cord to conform with local standards CC701 charge converter The CC701 contains a low noise PiezoFET amplifier which converts a high impedance signal...

Page 9: ...X 10 X 100 TRANSDUCER OUTPUT EXTERNAL SUPPLY CHARGE IN 1 2 3 4 5 6 7 8 1 ON OFF BATT power switch 5 GAIN range switch 2 BATTery condition indicator green LED 6 TRANSDUCER Input jack BNC 3 Circuit FAU...

Page 10: ...W PASS FILTER LOW PASS FILTER OPTIONAL INTEGRATOR WINDOW COMPARATOR REFERENCE VOLTAGES BATTERY TEST CIRCUIT HIGH PASS FILTER DECOUPLING 1 2 4 3 5 5 6 7 POWER SWITCH VELOCITY SWITCH ACCELERATION FROM C...

Page 11: ...90589 Rev B 3 4 13 Page 11 of 12 Figure 3 Jumper placement N I C A D J4 J4 OR A L K A L I N E...

Page 12: ...st set up 100 F 35VDC 4 7k FROM OSCILLATOR TO P702B 100 Fd LEADER ATTENUATOR POWER LAG120B AUDIO GENERATOR Hz OUTPUT FREQ RANGE X10 X100 X1K X10K X100K 600 1 1 5 2 2 5 3 4 5 6 7 8 9 10 TRANSDUCER OUTP...