The SI 400 is a low cost, high accuracy digital pressure gauge. The SI400 features a compact design, yet a large 0.6” LCD display for reading pressure measurements.
Using state-of-the-art pressure sensor technology, the AG400 measures offers excellent long-term stability and reliability. With a rugged case rated to IP-65, the SI 400 is the perfect solution for frequent use and installation. The SI400 uses a 9V battery supply and has an expected life overthree years.