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High Sensitivity Piezo Film Sensor Contact Microphone
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Price
Price on request ≥1piece
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Model Number
CM-01B -
Data Sheet
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Package
Original packaging -
Specs
CM-01B -
Quantity
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Product Description
CM-01B Contact Microphone Specifications
• High Sensitivity
• Robust
• Low Noise
• Piezo Film Technology
• Shielded Cable
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
| Parameter | Min | Typ | Max | Units |
| Sensitivity | 40 | V/mm | ||
| Lower Limiting Frequency (-3 dB) | 8 | Hz | ||
| Upper Limiting Frequency (+3 dB) | 2.2 | kHz | ||
| Resonance Frequency | 5 | kHz | ||
| Spring Constant | 20 | N/m | ||
| Electronic Noise | 1 | mVpk-pk | ||
| Supply Voltage | 4 | 5 | 30 | V-DC |
| Supply Current | 0.1 | mA | ||
| Operating Temperature | 5 | 60 | °C | |
| Storage Temperature | -20 | 85 | °C |