The Fluke 750P23 Pressure Calibrator is the most accurate and reliable pressure calibrator on the market. With its patented dual-sensor design, the 750P23 can measure and source pressure with an accuracy of ±0.025% of reading. This makes it ideal for calibrating a wide range of pressure instruments, including pressure gauges, transmitters, and transducers. The 750P23 also features a large, backlit display that makes it easy to read in any lighting conditions. And its rugged construction makes it perfect for use in harsh environments.