1. Switch control signals, with free design for upper and lower limits for control.
2. Utilizes a single-chip microcomputer as the main IC, offering good stability, responsive control, and extended lifespan.
3. Set upper and lower limits freely, achieve automatic control with superior precision.
4. Features a password protection for upper and lower limits, ensuring against unauthorized changes or accidental operations.
Application Scope：
Suitable for vacuum pumps, vacuum equipment, and related industries.
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