Intensity-microphone calibrator Type 51AB



The Intensity Coupler Type 51AB is a coupler for calibrating the phase response of microphone pairs used for measuring sound intensity, e.g. the Type 40AI and Type 40BI . It includes a calibrated acoustic resitance to enable the computation of particle velocity and intensity levels.

The Type 51AB complies with the standards of IEC 1043.

Download PDF Data Sheet: pd_51AB_ver_07_08_02.PDF
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Specifications Type 51AB
Input connector

BNC socket

Maximum input signal

1 V RMS

Frequency range

50 Hz - 6.3 kHz

Frequency-intensity index

>27 dB (nomin. mic. spacing 25 mm)

SPL difference between channels

< 0.1 dB

Operating temperature range

+ 5 °C to + 40 °C

Dimensions

height: 42.2 mm

 

width: 50.3 mm

 

depth: 60.0 mm

Weight

515 g

Accessories included

2 × ¼" microphone adapters

 Tilbage

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