The GSH12400 Mining Intrinsically Safe Speed Sensor is a highly reliable rotational speed measurement device engineered specifically for harsh underground coal mine environments. Certified with an Ex ib I Mb explosion-proof rating and MA certification (MFB120251), it guarantees maximum safety in potentially explosive atmospheres. The sensor features a robust metal sensing head equipped with a mounting flange and seal ring for secure, dust-tight installation. Additionally, it comes with a durable blue sheathed cable and a plug connector, ensuring seamless integration and long-lasting performance in demanding mining applications.