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Refurbished Bruel And Kjaer 2143


Bruel And Kjaer 2143

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Refurbished
Real-time Frequency Analyzers Types 2143 and 2144, 2148/7667 are portable analyzers for acoustics, electroacoustics and vibration measurements in the field and in the laboratory. Type 2143 offers dual-channel autospectra while Types 2144 and 2148/7667 also offer sound intensity and cross spectrum analysis. The analyzers feature real-time digital filtering across a wide frequency range. Realtime operation is important for the analysis of non-stationary signals such as decays and impulsive events.

The analyzers are operated by means of menus, and a system of onscreen help pages enables the full potential of the analyzers to be used in the field.

The large internal non-volatile memory and back-up disk storage facilities make the analyzers useful data-gathering devices with further control and data-processing possibilities via their IEEE-488 and RS-232 interfaces.

FEATURES:
  • IEC651/804 Type 1 accuracy (with suitable microphone)
  • Weight with batteries <10 kg (< 22lbs)
  • Battery life-time > 4 hrs continuous use
  • Inputs: microphone (preamplifier), sound intensity probe (2144, 2148/7667), accelerometer (charge) and direct
  • Real-time frequency analysis up to 22.4 kHz (single channel), 11.2 kHz (dual channel)
  • 80 dB dynamic range, autocalibration
  • Fractional-octave digital filters
  • Storage rate: 1000 spectra/second (single channel), 500 spectra/second (dual channel)
  • Large internal non-volatile memory
  • PC/MS-DOS compatible 31/2 " disk-drive for backup storage of spectra and set-ups
  • IEEE-488 and RS-232 interfaces
  • Zwicker Loudness and FFT application programs available

Bruel And Kjaer 2143 datasheet & specifications

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