CM-01B Contact Microphone Specifications * High Sensitivity * Robust * Low Noise * Piezo Film Technology * Shielded Cable CM-01B Contact Microphone Description The CM-01B contact microphone uses sensitive but robust PVDF piezo film combined with a low-noise electronic preamplifier to provide a unique sound or vibration pick-up with buffered output. The design minimizes external acoustic noise while offering extremely high sensitivity to vibration applied to the central rubber pad. The CM-01B is ideal for detecting body sounds. CM-01B Contact Microphone Features * Broad Bandwidth * High Sensitivity * Excellent Impact Resistance * Lightweight * Low Cost CM-01B Contact Microphone Applications * Electronic Stethoscope * Bone-conducted Sound Pickup * General Purpose Contact Microphone * Vibration/Impact Sensing CM-01B Contact Microphone Performance Specifications * Sensitivity: 40V/mm * Resonance Frequency: 5kHz * Supply Voltage: 4 - 30VDC * Supply Current: 0.1mA * Operating Temperature: 5 ~ 60'C * Storage Temperature: -20 ~ 85'C