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Hazardous area velocity sensor

22 July 2009

Metrix 5485C velocity sensors employ a zero friction coil suspension ensuring accurate and repeatable vibration measurements over wide ranges of amplitude and frequency at working temperatures of 375°C to -54°C.

Hazardous area velocity sensor
Hazardous area velocity sensor

Self-generating with no power requirement, these intrinsically safe devices can operate continuously in high-temperature and hazardous area applications. They have sealed stainless steel housings with rugged internals ensuring durability in the most hostile environments and can be installed in any orientation.

Damping is electromagnetic and purely viscous. As no friction prone air damping is employed, small vibrations can be detected at low frequencies. Zero friction also allows infinite resolution.
The coil bobbin is suspended by two non-twisting, circular spider springs that provide a clean frequency response. Frequency response range is 15 to 2000Hz and sensitivity versus temperature is less than 0.02%°C.

Units are available with fixed armoured cable or a 2-pin connector requiring mating Model 4850-XXX cable.

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