GRAS 90CA-S2, PXI Microphone Calibration System

  •  Part Number: GRAS 90CA-S2, PXI
     Category: GRAS Sound & Vibration
  •  View: 27
     Status: Available
  • The GRAS 90CA-S2 Microphone Calibration System provides automatic and reliable calibration of measurement microphones in terms of sensitivity and frequency response. The implemented calibration methods comply with the relevant standards as specified in the technical documentation.

  • Sale Price: Liên hệ
Product Information

Overview

The GRAS 90CA-S2 Microphone Calibration System delivers automated and highly reliable calibration of measurement microphones for both sensitivity and frequency response. The calibration procedures are performed in accordance with the following standards:

  • IEC 61094
  • ANSI S1.10 – 1966 (R1976)
  • IEC 60942
  • IEEE 1451.4 TEDS standard

The 90CA-S2 is based on the PXI architecture from National Instruments, featuring an embedded controller NI PXIe-8101, including:

  • National Instruments PXIe-1071, 3U, 4-slot PXI Express chassis
  • PXI modules for system control and data acquisition

Features

  • Ready-to-use hardware and software
  • High-precision calibration hardware
  • Fully automated, computer-controlled calibration procedures
  • High repeatability of calibration methods
  • Predefined test parameters for GRAS microphones
  • Easily adjustable test conditions
  • Automatically generated documentation, customizable for printing and archiving

Applications

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

The system is described in further detail in the User Manual.

Specifications

Parameter Unit Value / Description
Standards IEC 61094-5 & 61094-6
Sensitivity Calibration – Method Class 0 pistonphone
Sensitivity Calibration – Frequency Hz 250
Sensitivity Calibration – Uncertainty dB 0.07
Frequency Response Calibration – Method Electrostatic actuator
Frequency Response Calibration – Range Hz 20 Hz to 92 kHz (20 Hz to 200 kHz*)
Frequency Response Calibration – Uncertainty dB 0.3

Note:

GRAS Sound & Vibration reserves the right to change specifications and accessories without prior notice.