Measurement Microphones Overview | Class 1 and Class 2

PLACID measurement microphones cover the full range of acoustic measurement applications — from precision laboratory measurement to long-term outdoor environmental monitoring. All microphones are IEC 61094 compliant and available with ISO/IEC 17025 accredited calibration.

• 1/2" free-field microphones for general acoustic measurement
• 1/2" pressure-field microphones for coupler and IEC 60711 measurements
• 1/4" microphones for high-frequency and high-SPL applications
• Class 1 and Class 2 performance to IEC 61672
• TEDS-enabled variants for automatic instrument identification
• Low-noise variants down to 10 dB(A) self-noise