If you need to check pipe temperatures quickly and accurately, this Dwyer thermometer is your go-to tool! It clamps right onto pipes from 1-5/8 to 2-3/8 inches - perfect for temporary installations or when you don't want to mess with permanent mounting. The bimetal spiral spring inside gives you fast readings so you're not waiting around. With a clear 2-inch dial and temperature range from 0 to 150°F, it's easy to read even from a distance. Made with steel construction and glass lens, this thing is built to handle industrial environments. Great for HVAC work, plumbing, or any situation where you need to monitor surface temperatures without invasive equipment. The clip design means you can move it from pipe to pipe as needed. Dwyer is known for reliable instruments, and this thermometer lives up to that reputation. No batteries required, no complicated setup - just clamp it on and get your reading. Simple, effective, and built to last.