GRAS 90CA-S2 Microphone Calibration System, PXI

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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:

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GRAS 90CA-S2 Microphone Calibration System, PXI

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.

Features

  • Ready-to-use software and hardware
  • Accurate calibration hardware
  • Automated and computer-controlled calibration process
  • Highly reproducible calibration method
  • Pre-installed test parameters for GRAS microphones
  • Test conditions easily changable
  • Auto-generated, customized documentation to print and archive

Applications

  • All types of IEC 61094 standardized 1", 1/2", 1/4", and 1/8" measurement microphones from GRAS and other manufacturers
  • GRAS 46xx series standard microphone sets
  • GRAS 47xx series flush-mount microphone sets (optional)
  • GRAS preamplifiers
  • Calibration up to 92 kHz (optional up to 200 kHz)

The system is described in more detail in the Instruction Manual.