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The Baumer IFRM 18P1301/S14L is a DC-tachogenerator, which converts a mechanical rotational speed into a proportional output signal. It has a measuring range of 2 to 10000 rpm, and a galvanic separation between the primary and secondary side, up to 1000 VAC. The sensor has a casing made of stainless steel, IP67/69 protection, and a shaft diameter of 14mm. It offers a PNP, NPN or NO/NC output with a supply voltage of 11 to 30 VDC.