Calibrated,Therm,-20/150C(0/300F)Mx Read

This durable bi-metal thermometer has a maximum registering pointer (red) that is moved up by the temperature measuring pointer (black) to indicate the highest temperature achieved and remains there until manually reset. Waterproof and pressurized; withstands autoclave cycles and has a removable protective silicone sleeve to prevent moisture from making contact with the dial. Durable 304 stainless steel with a glass lens.