3923型

旋转吊杆

获取产品报价

The Rotating Microphone Boom Type 3923 is designed for use in sound power measurements to ISO 3741 and in building acoustic measurements.

USE SCENARIOS

  • Sound power measurements
  • Building acoustic measurements

CAPABILITIES

  • Fulfills ISO 3741
  • Length of boom adjustable between 50 cm and 200 cm
  • Battery operation with built-in NiCd-cells or line operation
  • Three switch-selectable rotation times
  • Plane of rotation adjustable in steps of 10 degrees
  • Synchronization facility
  • Power to and signal from microphone via slip rings
  • Typical emitted sound power equal to 26 dB re 1 pW (A-weighted)