The CHECK-IT 4KC10 Steam Trap Tester allows you to accurately and quickly measure pipe temperatures at the upstream and downstream sides of a steam trap. Armed with such accurate readings, you can instantly determine whether or not a steam trap is malfunctioning. The 4KC10 Steam Trap Tester has a temperature range of -100°F to 1999°F, this pocket size tester comes in a self-containing high impact case holding a quick response CHECK-IT 04260276 surface probe and a 9 volt battery. The 4KC10 Digital Steam Trap Tester is easy to read since it incorporates a large .5" liquid crystal display which is updated 1.5 times per second. Remember . . . when a steam trap malfunctions, overall system efficiency decreases and escaping steam produces energy loss. For more inormation about the 4KC10 Steam Trap Tester