1. The contact adopts the micro-switch technology, the contact capacity is large, the contact resistance is small, to ensure the reliable contact, ensure the service life;
2.High vibration resistance and low temperature resistance
3. Double temperature compensation: high precision
4. Display range is -0.1- 0.9mpa, display vacuum value, for inflation, air supply to provide convenience, but also more in line with people's use habits;
5. Adopt a variety of anti-interference technology, strong anti-interference ability.