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Hand calibration of sensitivity for most prepolarized microphones may be performed with a Larson Davis 
CAL250  or  CAL200  (or  equivalent).    The  CAL250  produces  114  dB  SPL  at  251.2  Hz.    The  CAL  200 
produces either 94 dB or 114 dB (user selectable) at 1000 Hz.  Note that both the CAL250 and CAL 200 
are compliant with ANSI S1.40-2006, Specifications and Verification Procedures for Sound Calibrators, 
Class1 and IEC 60942-2003, Class 1, Sound Calibrators. 

8.0

 

Warranty and Service 

All equipment and repair services provided by PCB Piezotronics, Inc. are covered by a warranty against 
defective material and workmanship under a 

Total Customer Satisfaction

 policy. If, at any time, for any 

reason, you are not completely satisfied with any PCB product, PCB will repair, replace, or exchange it at 
no charge. You may also choose to have your purchase price refunded. See the supplemental sheet, con-
tained with this manual, for information on our service, repair and return policies, procedures and instruc-
tions. When unexpected problems arise, call our 24-Hour SensorLine

SM

 (716-684-0001) to speak with an 

Application Engineer. Visit 

www.pcb.com

 for a complete statement of our warranty. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3425 Walden Avenue, Depew, NY 14043-2495 

24-hour SensorLine

SM

: 716-684-0001 

E-Mail: 

[email protected]

 

U.S.A. Fax: 716-684-0987 

Website: 

www.pcb.com

 

Toll-free (in the U.S.A.): 800-828-8840

 

 
A PCB GROUP COMPANY  

ISO 9001 CERTIFIED 

A2LA ACCREDITED to ISO 17025 

 2014 PCB Group, Inc. In the interest of constant product improvement, specifications are subject to change without notice. 

PCB and ICP are registered trademarks of PCB Group, Inc. Sensor Line is a service mark of PCB Group, Inc. All other trade-
marks are properties of the respective owners. 
 Manual Number: 27042 

Manual Revision: E 
ECO 46576 

 
 

Printed in the U.S.A. 

Summary of Contents for 378C20

Page 1: ...e 377C20 426E01 installation and operating manuals that comprise a Model 378C20 ICP MICROPHONE SYSTEM kit For assistance with the operation of this product contact PCB Piezotronics Inc Toll free 800 8...

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: ...he 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 th...

Page 7: ...hone System Prepolarized Microphone System Phantom Powered Microphone System The phantom powered preamp may be used with either a or a microphone cartridge by using the adapter provided All IEC 61094...

Page 8: ...icrophone but these effects can be accounted for by adjusting the recorded microphone values using the coefficients specified for each microphone model Simply calculate the difference in temperature a...

Page 9: ...eamplifier should provide stable and accurate results for years to come Dust rain oil moisture or exposure to extreme temperatures may adversely affect the microphone and preamplifier s performance If...

Page 10: ...o charge You may also choose to have your purchase price refunded See the supplemental sheet con tained with this manual for information on our service repair and return policies procedures and instru...

Page 11: ...um Output Voltage 7 Vpk 7 Vpk Output Impedance 50 Ohm 50 Ohm Physical HousingMaterial Stainless Alloy Stainless Alloy Venting Rear Rear 5 Electrical Connector BNC Jack BNC Jack MountingThread Grid 0 5...

Page 12: ...NE DRAWING 57746 1 OF 1 1 5X 1 2 ICP MICROPHONE SYSTEM DECIMALS XX 03 XXX 010 DECIMALS X 0 8 XX 0 25 JDM 12 20 13 JDM 12 20 13 MT 12 20 13 ebreeze 15 38 4 29 2015 57746 PCB Piezotronics Inc claims pro...

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