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
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 Medium class sound level meters Equipment complying with IEC 61672 class 1 Random-inc…
Description
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
- Medium class sound level meters
- Equipment complying with IEC 61672 class 1
- Random-incidence measurements
- Portable sound measuring equipment
- Being prepolarized, Type 4188 is especially well suited for battery-operated equipment or for operation in environments with high humidity.
Specifications
- Capacitance: 12 pF
- Diameter: 1/2
- Dynamic range: 15.8 – 146 dB
- Frequency range: 8 – 12500 Hz
- Inherent noise: 14.2 dB A
- Lower limiting frequency -3dB: 5 Hz
- Optimized: Free field
- Pressure coefficient: -0.021 dB/kPa
- Sensitivity: 31.6 mV/Pa
- Sound field: Free-field
These microphones are "new" in the original package accompanied with mfg Calibration Data Sheet.