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Materials Authorization (RMA) 
Number. This RMA number should be 
clearly marked on the outside of all 
package(s) and on the packing list(s) 
accompanying the shipment. A detailed 
account of the nature of the problem(s) 
being experienced with the equipment 
should also be included inside the 
package(s) containing any returned 
materials. 
 
A Purchase Order, included with the 
returned materials, will expedite the 
turn-around of serviced equipment. It is 
recommended to include authorization 
on the Purchase Order for PCB to 
proceed with any repairs, as long as they 
do not exceed 50% of the replacement 
cost of the returned item(s). PCB will 
provide a price quotation or replacement 
recommendation for any item whose 
repair costs would exceed 50% of 
replacement cost, or any item that is not 
economically feasible to repair. For 
routine calibration services, the Purchase 
Order should include authorization to 
proceed and return at current pricing, 
which can be obtained from a factory 
customer service representative. 
 

Warranty

 – All equipment and repair 

services provided by PCB Piezotronics, 
Inc. are covered by a limited warranty 
against defective material and 
workmanship for a period of one year 
from date of original purchase. Contact 

PCB for a complete statement of our 
warranty. Expendable items, such as 
batteries and mounting hardware, are not 
covered by warranty. Mechanical 
damage to equipment due to improper 
use is not covered by warranty. 
Electronic circuitry failure caused by the 
introduction of unregulated or improper 
excitation power or electrostatic 
discharge is not covered by warranty. 
 

Contact Information

 – International 

customers should direct all inquiries to 
their local distributor or sales office. A 
complete list of distributors and offices 
can be found at www.pcb.com. 
Customers within the United States may 
contact their local sales representative or 
a factory customer service 
representative. A complete list of sales 
representatives can be found at 
www.pcb.com. Toll-free telephone 
numbers for a factory customer service 
representative, in the division 
responsible for this product, can be 
found on the title page at the front of this 
manual. Our ship to address and general 
contact numbers are: 
 
PCB Piezotronics, Inc. 
3425 Walden Ave. 
Depew, NY 14043 USA 
Toll-free: (800) 828-8840 
24-hour SensorLine

SM

: (716) 684-0001 

Website: www.pcb.com 
E-mail: info@pcb.com 

 
 
 
 
 
 
 
 
 
 

 
 

DOCUMENT NUMBER:  21354 
DOCUMENT REVISION:  B 
ECN: 17900 

Summary of Contents for 478B05

Page 1: ...nal Conditioner Installation and Operating Manual For assistance with the operation of this product contact PCB Piezotronics Inc Toll free 800 828 8840 24 hour SensorLine 716 684 0001 Fax 716 684 0987...

Page 2: ...id the factory warranty Calibration Routine calibration of sensors and associated instrumentation is recommended as this helps build confidence in measurement accuracy and acquired data Equipment cali...

Page 3: ...warranty against defective material and workmanship for a period of one year from date of original purchase Contact PCB for a complete statement of our warranty Expendable items such as batteries and...

Page 4: ...l 478A05 Capacitive Accelerometer Power Supply Operating Guide with Enclosed Warranty Information 3425 Walden Avenue Depew New York 14043 2495 DCS Toll Free 888 684 0014 24 Hour SensorLine 716 684 000...

Page 5: ...uction page 3 Description page 3 Warning Symbols Terms page 3 Operation pages 4 6 Figure 1 Model 478A05 Capacitive Accelerometer Power Supply page 4 Figure 2 Model 478A05 Sensor Input Terminal Strip p...

Page 6: ...t will function for three single axis 3701 Series sensors as well The unit is powered by an external 36V DC supply It comes standard with the PCB Model 488A04 Power Supply but will also work with the...

Page 7: ...t illuminates whenever the sensor supply voltage drops below 15 5V DC Such an occurrence could be the result of the sensor being connected improperly low batteries in the case when the unit is used wi...

Page 8: ...3 respectively 478A05 Input 037Pxx Cable Power Red Power Ground Black Ground CH 1 Orange X Signal CH 2 Green Y Signal CH 3 White Z Signal ST 1 Blue X Self Test ST 2 Yellow Y Self Test ST 3 Gray Z Self...

Page 9: ...n is internally capacitively coupled to signal ground This is an optional connection used to correct possible noise issues The PCB Series 370 Capacitive Accelerometers can have up to 40 mV of DC offse...

Page 10: ...c discharge ESD can damage electrical devices Similar to a capacitor a cable can hold a charge caused by triboelectric transfer such as that which occurs in the following Laying on and moving across a...

Page 11: ...no charge Before returning equipment for repair it is strongly suggested that the user confer with a factory application engineer or local sales contact concerning the difficulty to ascertain if an on...

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