B&K Type 9721-A Microphone Calibration System

Secondary Calibration System designed for calibration of working standard microphones and other types of microphone.

Description

USE SCENARIOS

  • Measurement microphone calibration at private and governmental service centres
  • Calibration of microphones (IEC 61094-4, -1 and others) with or without preamplifier
  • Calibration of microphones with or without removal protection grid
  • Calibration of Brüel & Kjær surface microphones

FEATURES

  • Sensitivity calibration by comparison with reference microphone (IEC 61094-5)
  • Sensitivity update of TEDS (Transducer Electronic Data Sheet)
  • Calibration of open-circuit or loaded sensitivity (that is, sensitivity with preamplifier)
  • Frequency response calibration by comparison (IEC 61094-5) 20Hz to 20kHz
  • Frequency response calibration by electrostatic actuator (IEC 61094-6) 20Hz to 100kHz
  • Pressure, free-field and diffuse-field responses by applying corrections
  • Fast, automated measurement, printing of calibration certificate and data export to Excel
  • Detailed operator instructions

Download Datasheet