The Additel ADT681-02-CP300-BAR-B-DL is a high-accuracy digital pressure gauge with a built-in barometer and data logger. It is designed for use in a wide range of applications, including calibration, testing, and monitoring. The ADT681-02-CP300-BAR-B-DL is unique in that it offers a combination of features that are not available in other digital pressure gauges. These features include: High accuracy: The ADT681-02-CP300-BAR-B-DL has an accuracy of ±0.025% of reading, which is significantly better than the accuracy of most other digital pressure gauges. Built-in barometer: The ADT681-02-CP300-BAR-B-DL has a built-in barometer, which allows it to measure both absolute and gauge pressure. This is a valuable feature for applications where it is important to measure both types of pressure.* Data logger: The ADT681-02-CP300-BAR-B-DL has a built-in data logger, which allows it to record pressure data over time. This is a valuable feature for applications where it is important to track pressure changes over time. The ADT681-02-CP300-BAR-B-DL is a versatile and powerful digital pressure gauge that is ideal for a wide range of applications. Its combination of high accuracy, built-in barometer, and data logger make it a unique and valuable tool for any engineer or technician.