Home›Products›Specialized & Miscellaneous Test Equipment›Bruel & Kjaer Instruments›Bruel & Kjaer 4188 1/2" Prepolarized Condenser Microphone with Factory CAL sheet BRAND NEW / NOS
Bruel & Kjaer 4188 1/2" Prepolarized Condenser Microphone with Factory CAL sheet BRAND NEW / NOS
sku125694 in stock
$450.00CAD
By Bruel & Kjaer
<p> </p><p>Type 4188 is designed for free-field measurements where an economy microphone with medium sensitivity is required. Being prepolarized, Type 4188 can be used with both CCLD and classical preamplifiers. Use Scenarios</p><ul><li>Medium class sound level meters</li><li>Equipment complyin…
Description
<p>
</p><p>Type 4188 is designed for free-field measurements where an economy microphone with medium sensitivity is required. Being prepolarized, Type 4188 can be used with both CCLD and classical preamplifiers.
Use Scenarios</p><ul><li>Medium class sound level meters</li><li>Equipment complying with IEC 61672 class 1</li><li>Random-incidence measurements</li><li>Portable sound measuring equipment</li><li>Being prepolarized, Type 4188 is especially well suited for battery-operated equipment or for operation in environments with high humidity.</li></ul><p>
Specifications</p><ul><li>Capacitance: 12 pF</li><li>Diameter: 1/2</li><li>Dynamic range: 15.8 – 146 dB</li><li>Frequency range: 8 – 12500 Hz</li><li>Inherent noise: 14.2 dB A</li><li>Lower limiting frequency -3dB: 5 Hz</li><li>Optimized: Free field</li><li>Pressure coefficient: -0.021 dB/kPa</li><li>Sensitivity: 31.6 mV/Pa</li><li>Sound field: Free-field</li></ul><p>These microphones are "new" in the original package accompanied with mfg Calibration Data Sheet.</p>
</p><p>Type 4188 is designed for free-field measurements where an economy microphone with medium sensitivity is required. Being prepolarized, Type 4188 can be used with both CCLD and classical preamplifiers.
Use Scenarios</p><ul><li>Medium class sound level meters</li><li>Equipment complying with IEC 61672 class 1</li><li>Random-incidence measurements</li><li>Portable sound measuring equipment</li><li>Being prepolarized, Type 4188 is especially well suited for battery-operated equipment or for operation in environments with high humidity.</li></ul><p>
Specifications</p><ul><li>Capacitance: 12 pF</li><li>Diameter: 1/2</li><li>Dynamic range: 15.8 – 146 dB</li><li>Frequency range: 8 – 12500 Hz</li><li>Inherent noise: 14.2 dB A</li><li>Lower limiting frequency -3dB: 5 Hz</li><li>Optimized: Free field</li><li>Pressure coefficient: -0.021 dB/kPa</li><li>Sensitivity: 31.6 mV/Pa</li><li>Sound field: Free-field</li></ul><p>These microphones are "new" in the original package accompanied with mfg Calibration Data Sheet.</p>