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.

• Threaded connection (¼" NPT) screws directly into in-line processes, can be used to mount thermometer on included stand
• Waterproof and pressurized, also has a removable protective silicone sleeve to prevent moisture from making contact with the dial
• Constructed from durable 304 stainless steel with a glass lens
• Withstands pressure, high temperatures and rust

A certificate is provided to indicate instrument traceability to standards provided by the National Institute of Standards and Technology.