The Additel ADT160A-05-GP2-PSI-B is a high-accuracy digital pressure gauge with a built-in pneumatic pump, offering exceptional accuracy and convenience for pressure measurement and calibration applications. Its unique features include: High accuracy of ±0.025% of reading, surpassing industry standards Built-in pneumatic pump for easy pressure generation and adjustment Wide pressure range of -14.5 to 300 psi, covering a broad range of applications Rugged construction and IP67 rating for durability in harsh environments* Large, backlit LCD display for clear and easy readings