VSC150A abs. switch, passiv
The INFICON Vacuum Switch VSC150 is a absolute pressure switch with a adjustable electrical switching contact from 0.5 to 2000 mbar. The mechanical design allows a short therm overload of 3000 mbar without any impairing the switching accuracy of ± 0.1 mbar. INFICON offers customer specific adjustment of pressure switch.
Benefits
- High switching accuracy (± 0.1 mbar)
- Stable long term operating characteristics
- Rugged, corrosion protected design
Features
- Switching contacts (normally closed) in the reference chamber and thus protected against process media
- Increased switching capability when using switching amplifier
- Adapter available for differential pressure measurement
Typical Applications
- Pressure switch or differential pressure switch to control valves, pumps, power supplies
- Load lock chambers
- Process chambers
Part Number
Dimensions
Specifications
| Type | VSC150A absolute switch, passiv | |
|---|---|---|
| Switching range | mbar | 0.5 … 2000 |
| Response sensivity | mbar | 0.1 |
| Overload limit | mbar | 3000 |
| Switching hysteresis | mbar | 0.5 |
| Temperature | ||
| Operation (ambient) | °C | 5 … 90 |
| Storage | °C | -20 … 70 |
| Bakeout (max. 8 h) | °C | 120 |
| Coefficient of switch point | % K of switching value | 0.4 |
| Vacuum connection | DN 16 ISO-KF | |
| Electrical connection | Protected plug (DIN 43650) | |
| Switch | n.c. | |
| Switching voltage | V | 24 |
| Switching current | mA | 10 |
| Contact resistance | Ω | <1 |
| Protection category | IP 65 | |
| Materials in contact with the medium | ||
| Sensing volume | Stainless steel 1.4301, 1.4401, 1.4310, 1.3541, FPM75 | |
| Reference volume | Stainless steel 1.4301, 1.4401, 1.3541, glass, gold | |
| Sensing volume (1) | cm³ | ≈4 |
| Reference volume | cm³ | ≈20 |
| Weight | kg | 1.3 |
| SV Switching Amplifier | ||
| Mains supply (selectable) | V | 110 … 130, 220 … 240 |
| Mains frequency | Hz | 50 / 60 |
| Power consumption | VA | 3 |
| Output relay: Switching voltage | V | 250 |
| Output relay: Switching current | A | 5 |
| Output relay: Switching capacity | VA | 500 |
| Response time | ms | 30 |
| Release time | ms | 7 |
| Control circuit | V/mA | 24 / 10 |
| Operation temperature | °C | 5 … 50 |
| Weight | kg | 0.36 |
Accessories
| VSC150A absolute switch, passiv | |
|---|---|
| Part Number | Description |
| 399-008 | Switching Amplifer for VSC150 |
| 399-006 | Setpoint-adjustment for VSC150 |
| 399-007 | Differentialpressure-Adapter for VSC150 |