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Model 378C20
ICP MICROPHONE SYSTEM
Installation and Operating Manual
This manual contains the 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: 800-828-8840
24-hour SensorLine: 716-684-0001
Fax: 716-684-0987
E-mail: info@pcb.com
Web: www.pcb.com
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Summary of Contents for PCB Piezotronics 378C20
- Page 1 ICP MICROPHONE SYSTEM Installation and Operating Manual This manual contains the 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: 800-828-8840...
- Page 2 Assistance is needed to safely operate equipment PCB Piezotronics is an ISO-9001 certified company whose Damage is visible or suspected calibration services are accredited by A2LA to ISO/IEC Equipment fails or malfunctions 17025, with full traceability to SI through N.I.S.T.
- Page 3 CAUTION Refers to hazards that could damage the instrument. NOTE Indicates tips, recommendations and important information. The notes simplify processes and contain additional information 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.
- Page 4 PCB工业监视和测量设备 - 中国RoHS2公布表 PCB Industrial Monitoring and Measuring Equipment - China RoHS 2 Disclosure Table 有害物质 镉 汞 铅 (Pb) 六价铬 (Cr(VI)) 多溴联苯 (PBB) 多溴二苯醚 (PBDE) 部件名称 (Hg) (Cd) 住房 PCB板 电气连接器 压电晶体 环氧 铁氟龙 电子 厚膜基板 电线 电缆 塑料 焊接...
- Page 5 Component Name Hazardous Substances Lead (Pb) Mercury (Hg) Cadmium (Cd) Chromium VI Polybrominated Polybrominated Compounds Biphenyls (PBB) Diphenyl Ethers (Cr(VI)) (PBDE) Housing PCB Board Electrical Connectors Piezoelectric Crystals Epoxy Teflon Electronics Thick Film Substrate Wires Cables Plastic Solder Copper Alloy/Brass This table is prepared in accordance with the provisions of SJ/T 11364.
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Page 6: Table Of Contents
PRODUCT GUIDE 377 SERIES MICROPHONES 426 SERIES PREAMPLIFIERS Contents: Introduction ................1 Standards ..................1 Setting up a Microphone Measurement System ......1 Taking Measurements ..............2 Accessories ................. 3 Maintenance ................4 Calibration .................. 4 Warranty and Service ..............5 1.0 Introduction Thank you for your purchase of a PCB high quality microphone. -
Page 7: Taking Measurements
Phantom powered microphone systems use a 3 pin XLR connector. A phantom powered microphone sys- tem should use a 48V phantom power supply or signal conditioner for optimum performance; however these microphone systems may be powered with a 24V or a 12V phantom power supply, but this will lim- it the maximum output voltage. -
Page 8: Accessories
The lowest amplitude a healthy human ear can detect is 20 millionths of a Pascal (20Pa). Another scale more commonly used to describe sound pressure level is the decibel (dB). To convert the output voltage signal (measured in Vrms) to sound pressure level (measured in decibels), use the following formula: ... -
Page 9: Maintenance
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 ... -
Page 10: Warranty And Service
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. - Page 11 3425 Walden Avenue, Depew, NY 14043 All specifications are at room temperature unless otherwise specified. In the interest of constant product improvement, we reserve the right to change specifications without notice. ® is a registered trademark of PCB Piezotronics, Inc.
- Page 12 PCB Piezotronics Inc. claims proprietary rights in REVISIONS the information disclosed hereon. Neither it nor any reproduction thereof will be disclosed to others DESCRIPTION without the written consent of PCB Piezotronics Inc. RELEASED TO DRAFTING 42362 .52 [13.2] .65 [16.4] MICROPHONE CARTRIDGE ...
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