The Additel ADT681-02-CP15-BAR-N2-DL is a high-accuracy digital pressure gauge with a built-in barometer and data logger. It features a wide pressure range of -15 to 15 psi, a high accuracy of ±0.05% of reading, and a resolution of 0.001 psi. The built-in barometer provides accurate atmospheric pressure readings, while the data logger allows for easy data storage and retrieval. The ADT681-02-CP15-BAR-N2-DL is ideal for a variety of applications, including pressure calibration, leak testing, and environmental monitoring.