The Fluke 750PD3 is the most advanced pressure calibrator on the market, offering unmatched accuracy, stability, and reliability. With its patented dual-pressure sensor design, the 750PD3 can measure and source pressure with an accuracy of up to 0.025% of reading, and its stability is unmatched by any other calibrator on the market. The 750PD3 also features a built-in pump, which allows it to generate pressure without the need for an external source. This makes it the ideal choice for applications where portability is important.