1. Introduction
The GRAS 90CA-S2 Microphone Calibration System provides for automated and reliable level and frequency response calibration of measurement microphones. The implemented calibration methods conform with these standards:
- IEC Standard 61094
- ANSI S1.10 – 1966 (R1976)
- IEC Standard 60942
- TEDS Standard IEEE 1451.4
The 90CA-S2 is based on National Instruments PXI architecture: NI PXIe-8101 Embedded Controller, including: National Instruments PXIe1071 4-Slot 3U PXI Express Chassis and PXI cards for Control and Data Acquisition..
2. Features
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Ready-to-use software and hardware
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Accurate calibration hardware
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Automated and computer-controlled calibration process
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Highly reproducible calibration method
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Pre-installed test parameters for GRAS microphones
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Test conditions easily changable
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Auto-generated, customized documentation to print and archive
3. Applications
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All types of IEC 61094 standardized 1", 1/2", 1/4", and 1/8" measurement microphones from GRAS and other manufacturers
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GRAS 46xx series standard microphone sets
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GRAS 47xx series flush-mount microphone sets (optional)
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GRAS preamplifiers
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Calibration up to 92 kHz (optional up to 200 kHz)
4. Specifications
ANSI standard
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S1.10
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IEC standard
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61094-6
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Sensitivity Calibration
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Method
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Pistonphone, Class 0
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Frequency
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250 Hz
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Accuracy
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0.07dB
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Frequency Calibration
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Method
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Electrostatic Actuator
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Frequency
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20 to 92kHz
(20 to 200kHz)*
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Accuracy
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0.3dB
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* with HP34401A (or similar) multimeter
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not included
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5. Download
90CA-S2 Datasheet
6. Contact
Unit 2209, Golden Park Tower, 2 Pham Van Bach Street, Yen Hoa, Cau Giay District, Ha Noi, Vietnam
tel.: +84 (24) 38229808
fax: +84 (24) 38229553
cell: +84 90 336 8648
email: tuonglam@syscovn.com