Level Meters : Bruel And Kjaer 2231

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Bruel And Kjaer 2231
放大图片Bruel And Kjaer 2231

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Features:



  • Fulfills IEC 804 type 1, relevant sections of IEC 651 type 1 I, and ANSI S1.4-1983 type 1.

  • Easy to read liquid crystal alphanumeric and quasi-analogue display.

  • Selectable polarization voltage allows use of almost any microphone in the Bruel & Kjaer range.

  • RMS and Peak detection in parallel.

  • 73 dB Pulse range; 70 dB RMS Linearity range.

  • 24 to 113 dB (A) measuring range (30 to 133 dB (A) with attenuator) in 7 overlapping sub-ranges.

  • A, C, Lin. and All-pass weightings.

  • Extra wide all-pass frequency range allows infrasound and ultrasound measurements.

  • Internal memory has back-up battery power which prevents loss of application software and data when the instrument is switched off.

  • Facility for connection of Bruel & Kjaer Serial Interface communication port, allowing external control and output of measurement data.

  • When used with Microphone Type 4133 and Extension Cable AO 0027, fulfills IEC 804 type 0 and relevant section of IEC 651 type 0I.

  • Measurement os Leq and LEA,T (SEL)

  • 制造商: Bruel And Kjaer
  • 模型: 2231