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Model 377C41

Precision Condenser Microphone

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: [email protected]

Web: www.pcb.com

Summary of Contents for 377C41

Page 1: ...Microphone 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 m...

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: ...in which 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 St...

Page 7: ...owered with a 24V or a 12V phantom power supply but this will limit the maximum output voltage Externally Polarized Microphone System Prepolarized Microphone System Phantom Powered Microphone System T...

Page 8: ...em such as the preamplifier signal conditioner or instrumentation Conversely the Cartridge Thermal Noise CTN specification provides the lowest measurable sound pressure level that can be detected abov...

Page 9: ...rugged grid cap shown below and as an independent part of a rugged kit to extend the lifespan of the precision measuring device caution should be taken to ensure the delicate diaphragm sensing element...

Page 10: ...ustry standards ensures accurate calibra tion against relevant specifications We also carry a line of acoustic calibrators that can be used to calibrate microphone sensitivity on site as needed Hand c...

Page 11: ...Pa 62 dB re 20 Pa 1 Influence of Magnetic Field 60 Hz 80 A m 0 dB re 20 Pa 0 dB re 20 Pa 1 Long Term Stability 68 F 20 C 1000 years dB 1000 years dB Electrical Capacitance Polarized 15 pF 15 pF 1 Pola...

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