- Small, lightweight MEMS design
- Absolute EMI/RFI immunity
- Completely passive sensor with no metal or electrical parts
- Extended frequency response
- High reliability and environmental stability
- Optical fiber connection over extended lengths without signal loss
- Exceptionally low sensitivity to vibration
- Cost-effective, long-term solution
Miniature fiber optic microphone for indoor acoustic monitoring with extended frequency range response. Ideal where the footprint for microphone placement is severely limited or where the microphone is a sub-component in another device or system.
The SOM(3) Ext. Freq. system comprises of an advanced fiber optic microphone & single-channel electro-optic unit (EOU100), for digital-to-analog conversion of optical microphone output signals. The Single Channel EOU 100 is extremely compact. It features a pair of ST- style fiber optic connectors; a 3.5 mm socket for analog output & green LED voltage indicator. Unit is powered by external DC power supply.
The SOM(3) Ext. Freq. is supplied as standard with clear 1mm PVC fiber-optic cable. Where there is no benefit in the thin, transparent 1mm PVC cable, we recommend the more robust Kevlar reinforced black 3mm PVC cable.
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- High fidelity signal monitoring
- High voltage electrical utilities
- High explosive areas
- High RF areas
- Severe electromagnetic fields
- Aerospace measurements
- Petrochemical facilities
