Description
Type 4176 is a prepolarized ½-inch free-field microphone designed for accurate and reliable sound measurements, as required for sound level meters in accordance with IEC 61672 class 1 and ANSI S 1.4 Type 1.
USE SCENARIOS
- Sound measurements to IEC 61672, and ANSI S 1.4-1983
- As a sound level meter microphone
CALIBRATIONThe sensitivity of Type 4176 can be calibrated at 250 Hz using Pistonphone Type 4228 with Adaptor DP 0776, or at 1 kHz using Sound Level Calibrator Type 4231. Calibration in an extended frequency range is possible using Multifunction Acoustic Calibrator Type 4226.
• Sensitivity: 50 mV/Pa
• Frequency: 6.5 Hz to 12.5 kHz
• Dynamic Range: 14 to 142 dB
• Temperature: –30 to 100°C (–22 to 212°C)
• Prepolarized
• High resistance to humidity
