PCB Piezotronics 357a100 Installation And Operating Manual Download Page 1

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Model 357a100

Charge Output Accelerometer

Installation and Operating Manual

For assistance with the operation of this product,

contact the PCB Piezotronics, Inc.

Toll-free: 716-684-0001

24-hour SensorLine: 716-684-0001

Fax: 716-684-0987

E-mail: [email protected]

Web: www.pcb.com

Summary of Contents for 357a100

Page 1: ...erometer Installation and Operating Manual For assistance with the operation of this product contact the PCB Piezotronics Inc Toll free 716 684 0001 24 hour SensorLine 716 684 0001 Fax 716 684 0987 E...

Page 2: ...alized tests including sensitivity at elevated or cryogenic temperatures phase response extended high or low frequency response extended range leak testing hydrostatic pressure testing and others For...

Page 3: ...tion on particular operating steps The following symbols may be found on the equipment described in this manual This symbol on the unit indicates that high voltage may be present Use standard safety p...

Page 4: ...China RoHS 2 Disclosure Table Pb Hg Cd Cr VI PBB PBDE O O O O O O PCB X O O O O O O O O O O O X O O O O O O O O O O O O O O O O O O O O O O O O O X O O O O O O O O O X O O O O O O O O O O O X O O O O...

Page 5: ...O Wires O O O O O O Cables X O O O O O Plastic O O O O O O Solder X O O O O O Copper Alloy Brass X O O O O O This table is prepared in accordance with the provisions of SJ T 11364 O Indicates that sai...

Page 6: ...with PIEZOELECTRIC CHARGE MODE ACCELEROMETERS SPECIFICATION SHEET INSTALLATION DRAWING AND CALIBRATION INFORMATION ENCLOSED PCB ASSUMES NO RESPONSIBILITY FOR DAMAGE CAUSED TO THIS PRODUCT AS A RESULT...

Page 7: ...nector 4 2 5 In Line Differential Charge Amplifier 4 3 INSTALLATION OVERVIEW 4 3 1 Equipment Inspection 4 3 2 Polarity Test 4 3 3 Sensor Location 4 3 4 Mounting Sensor 5 3 5 Route Mineral Insulated Ha...

Page 8: ...re high temperatures preclude the use of accelerometers with built in microelectronics Enclosed is a Specification Sheet which lists the complete performance characteristics of the particular accelero...

Page 9: ...harge Amplifier The differential charge amplifier is purchased separately A conventional method for conditioning the high impedance signal generated by a charge output sensor is to use a differential...

Page 10: ...priate charge amplifier specification sheet for information on low frequency characteristics Figure 1 Assorted Mounting Configurations and Their Effects on High Frequency 3 4 1 STUD MOUNT This mountin...

Page 11: ...est object STEP 1 Prepare a smooth flat mounting surface A minimum surface finish of 63 in 0 00016 mm generally works best STEP 2 Stud mount the sensor to the appropriate adhesive mounting base accord...

Page 12: ...amp Cable To minimize triboelectric motion induced noise from the cable interfering with the sensors high impedance charge output cable clamps must be used Clamp the cable as close to the transducer a...

Page 13: ...ation Once each element is connected allow a few minutes for the system to thermally stabilize Place the switch on the charge amplifier in the OPERATE position and proceed with the measurement It is o...

Page 14: ...vices As demonstrated in Equation 1 the steady state DC output voltage Eo is Equation 1 i f i o R R e E 1 This equation shows that if the input leakage resistance at the charge amplifier is extremely...

Page 15: ...mentioned and one comprised of series capacitor Cs and total equivalent shunt resistance Ri This new cutoff frequency is Equation 3 s i o C R 16 f To avoid compromise of the low frequency response est...

Page 16: ...s checking against other equipment manufacturer recommendation and any risk associated with incorrect readings International standards such as ISO 10012 1 provide insight and suggested methods for det...

Page 17: ...ay be automated and vary depending on the type and number of accelerometers being calibrated Figure 2 Typical Back to Back Calibration System Because the acceleration is the same on both sensors the r...

Page 18: ...4 Typical Calibration Set Up Adhesively mounted sensors use similar practices However in this case a small portion of quick bonding gel or similar temporary adhesive is used to attach the test sensor...

Page 19: ...rd Validate your calibration system with another accelerometer prior to each calibration session Check with the manufacturer for exact system specifications 7 5 CONCLUSIONS Without an adequate underst...

Page 20: ...5 in x 1 88 in 19 mm x 38 1 mm x 47 8 mm Weight 2 32 oz 65 8 gm 1 Electrical Connector 7 16 27 2 Pin 7 16 27 2 Pin Electrical Connection Position Side Side Mounting Through Holes 3 Through Holes 3 5 A...

Page 21: ...NG 63685 1 OF 1 2X ACCELEROMETER DECIMALS XX 03 XXX 010 DECIMALS X 0 8 XX 0 25 JDM 2 17 16 ECB 2 17 16 GCD 2 17 16 63685 PCB Piezotronics Inc claims proprietary rights in the information disclosed her...