Combining prepolarized microphone and preamplifier, ¼ in. Model 130A23 measures acoustic signals in audible range of human ear. Unit features 30 dBA noise floor, 143 dB upper range, and frequency range up to 20 kHz. Powered by ICP® or any 2-20 mA constant current supply, microphone is interchangeable within existing setups for ICP® accelerometers, load, force, strain, and pressure sensors. It helps users locate noise sources in appliances, industrial tools, machinery, and automotive interiors.
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