Comprised of microphone, preamplifier, housing, and several probe tips in different lengths, Model 377B26 allows for sound pressure and resonant frequencies to be quantified in temperatures up to 800°C, for exhaust noise and engine analysis. Probe tip is 0.050 in. in diameter, allowing use in confined areas. Featuring prepolarized design powered by ICP® or any 2-20 mA constant current supply, probe has dynamic range of 45 dBA to 164 dB and usable frequency range of 2 Hz to 20 KHz.
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