Transponders 125 kHz. Ruggedized for severe industrial environments and also available for metal mounting. Withstands Exposure To: Fuel B, mineral oil, petroleum, salt mist, vegetable oil, [UV resistant ISO 4892-2], [food compatible, directive 02/72/EC], [flame resistant UL94-HB]. Chip Type: Unique (64 bit read-only). Reading Distance: Dependent upon reader, environment and application. Black. IP68, IP69K. Operating Temp: -25° to +85° C. Peak: 140° C. Standards: EN 60079-0:2009; EN 60079-11:2007; EN 60079-26:2007. Size: Ø 20 mm. MOQ: 1.500 units. Box Size: 1.500 pieces.