The DH-Budenberg / Mensor CPC4000-PSIB-15 is a high-performance pressure calibrator that combines accuracy, reliability, and ease of use. Its unique features include: High accuracy: ±0.025% of reading Wide pressure range: -15 to 15 psi Built-in pressure switch test function Intuitive user interface Rugged and portable design The CPC4000-PSIB-15 is ideal for a wide range of pressure calibration applications, including: Pressure transmitters Pressure gauges Pressure switches* Hydraulic and pneumatic systems