The Additel ADT160A-10-AP50-PSI-N is a high-accuracy digital pressure gauge with a wide pressure range of -14.5 to 50 psi. It features a large, easy-to-read display, and a rugged construction that is ideal for use in harsh environments. The ADT160A-10-AP50-PSI-N also has a built-in data logger that can store up to 10,000 readings, making it ideal for long-term monitoring applications.