TEMTS0550 - Tempil 550 Degree Fahrenheit Temperature Indicating Stick

Precision Surface Temperature Measurement

The Tempilstik 550°F (288°C) is the original temperature-indicating stick, designed to provide an inexpensive yet highly accurate alternative for surface temperature measurement in industrial environments. Leveraging the science of phase-change thermometry, the Tempilstik offers a simple, rugged, and reliable method for determining when a specific temperature has been reached. Unlike electronic sensors that require calibration, batteries, or complex setups, the Tempilstik relies on the physical properties of its material composition to melt at a precise point, delivering accuracy within +/- 1% of its rated temperature.

Engineered for critical applications, this temperature indicator is traceable to NIST standards and meets the rigorous requirements of AWS D1.1, ASME Code Sec. I, III, and VIII, as well as ANSI/ASME Code B31.1 and B31.3. This makes it an essential tool for quality control in welding, forging, and heat-treating operations where adherence to code is mandatory. The stick is housed in a slip-resistant aluminum holder with a pocket clip, ensuring it is protected from breakage and easily accessible on the job site.

The Tempilstik 550°F is particularly effective in environments where other measurement methods fail. It is unaffected by static electricity, making it safe for use around induction heating equipment, and it does not suffer from the emissivity errors that plague infrared thermometers when measuring shiny or reflective surfaces. Whether used for pre-heating, interpass temperature monitoring, or post-weld heat treatment, the Tempilstik provides immediate visual verification, ensuring process integrity and material properties are maintained.

Technical Reliability

With over 80 years of proven performance, Tempil's formulation ensures that the stick is free of lead, sulfur, and zinc (unless specified otherwise for nuclear grades), making it safe for use on a wide variety of metals including stainless steel and exotic alloys. The high-density construction of the stick ensures it lasts longer than competitive products, providing more readings per unit. For industrial professionals who demand precision without the hassle of electronic maintenance, the Tempilstik 550°F remains the gold standard in surface thermometry.