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M321 Series


Multiple Thread Sizes and Lengths
Passive (Variable Reluctance) - Hazardous Area
High Sensitivity (min. Speed > 300 RPM)

This magnetic pickup sensor is ATEX and IECEx approved for use in hazardous areas: Ex mb (Zone 1, 2) and Ex ia (Zone 0, 1, 2). It is a sensitive pickup suitable for mid-speed applications (300 to 500 minimum rpm), larger gear (>2 inch diam) applications. M321 has multiple thread sizes of UNF2A and M (metric) type, and thread lengths from 1.875” to 6”.

The 300 series Stainless Steel housing is fully potted with hazardous area rated epoxy resin with no air gap inside, which makes it a reliable, robust and absolutely safe for use in Hazardous areas.