Type 4192 is designed for high-precision coupler measurements or ANSI noise measurements. Being externally polarized, Type 4192 must be used with a classical preamplifier.
Precision coupler measurement
Premium class ANSI sound level meters
General random incidence measurements
Sensitivity: 12.5 mV/Pa
Frequency: 3.15 Hz - 20 kHz
Dynamic Range: 19 - 162 dB
Temperature: - 30 to + 300°C (- 22 to + 572°F)