MD-S800V is an intelligent negative digital pressure controller, alternative name: negative switch. It sets negative pressure measurement, pressure display, control in one professional unit. It has followed features: easy operation, goods shock resistance, high precison, control range adjustable, long-term stability.
S800V adopts nylon plastic shell, equipped with 304 stainless steel connector, built-in high stable pressure sensor, practical function, stable product. The product is widely used in high pressure, hydraulic pressure situations.
4 digits LED to show pressure in real time
Equipped with high precision pressure sensor
Relay signal output, bounds can be adjusted
Delay control, password protection, reverse control
Vacuum pump Vacuum field Automatic Machinery
Range | 0~-100 kPa |
Overload Capacity | 200% |
Up/down set | within the full range -1~-100 kPa |
Alarm mode | Relay signal |
Resolving power | 0.1kPa |
Long-term Stability | Typical: ±0.2%FS/year |
Load capacity | 220VAC 5A;24DC 10A |
Power Supply | 24VDC 220VAC 380VAC(optional) |
Operation Temperature | -40~80ºC |
Compensation Temperature | -10~60ºC |
Electric Protection | Short-circuit protection Anti-reverse protection(for DC power supply) Anti-electromagnetic interference design |
Sampling Frequency | 5 times/second |
Measurement Medium | Gas or liquid compatible with stainless steel |
Pressure Connection | M20*1.5 G1/2 G1/4 |
Connection Material | 304SS |
Shell Material | Engineering plastics |
Cable definition | Power supply: red blue Output: black white (passive signal) |








