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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: [email protected] 

 
 
 
 
 
 
 
 
 
 

 
 

DOCUMENT NUMBER:  21354 
DOCUMENT REVISION:  B 
ECN: 17900 

Summary of Contents for 377 Series

Page 1: ... System 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 E mail info pcb com Web www pcb com ...

Page 2: ...oid 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 calibration cycles are typically established by the users own quality regimen When in doubt about a calibration cycle a good rule of thumb is to recalibrate on an annual basis It is also good practice to...

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 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 i...

Page 4: ...the instrument will be used Whether for legal purposes or for quality assurance programs these standards will help determine the required quality accuracy and consistency of the instrument Standards that correspond to the performance requirements dimensions and characteris tics of acoustical components are established for microphones sound level meters calibrators or other related components The m...

Page 5: ...sponse reactions of the human ear to the pressure fluctuations Some examples of typical sound pressure levels are shown in the table below dB Pressure Example 0 0 00002 Pa Threshold of Hearing 60 0 02 Pa Business Office 80 0 2 Pa Shop Noise 94 1 Pa Large Truck 100 2 Pa Jackhammer 120 20 Pa Airplane Take Off 140 200 Pa Threshold of Pain At very high pressure amplitudes the microphone s diaphragm wi...

Page 6: ... and noise cones the fre quency response of the microphone will be attenuated at higher frequencies Clamps and stands When holding a microphone in place it is important to minimize the influence of the stand on the sound being measured This can be accomplished by using low profile stands and clamps available from PCB Cables and Electronics PCB carries LEMO cables as well as coaxial cables with BNC...

Page 7: ...A2LA manufacturers Our internal metrology laboratory is certified to ISO 9001 accredited by A2LA to AN SI IEC 17025 and ANSI NCSL Z540 1 complies with ISO 10012 1 and former MIL STD 45662A and uses equipment directly traceable to one or more of the following National Labs NIST PTB or DFM Our investment in equipment traceability and conformance to industry standards ensures accurate calibra tion ag...

Page 8: ... VDC Maximum Output Voltage 7 Vpk 7 Vpk Output Impedance 50 Ohm 50 Ohm Physical Housing Material Stainless Alloy Stainless Alloy Venting Rear Rear 5 Electrical Connector BNC Jack BNC Jack Mounting Thread Grid 0 5 60 UNS 0 5 60 UNS Size Diameter x Height with grid 0 52 in x 3 47 in 13 2 mm x 88 3 mm Size Diameter x Height without grid 0 50 in x 3 46 in 12 7 x 87 8 mm Weight 1 59 oz 45 gm 2 All spec...

Page 9: ...07 0 13 OUTLINE DRAWING 55564 1 OF 1 1 5X 1 2 ICP MICROPHONE SYSTEM DECIMALS XX 03 XXX 010 DECIMALS X 0 8 XX 0 25 JDM 5 27 15 JDM 5 27 15 NJL 5 27 15 55564 PCB Piezotronics Inc claims proprietary rights in the information disclosed hereon Neither it nor any reproduction thereof will be disclosed to others without the written consent of PCB Piezotronics Inc REVISIONS REV DESCRIPTION DIN NR RELEASED...

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