Pressure switch for high vacuum PS91
Pressure switch PS91
- Can be used in High vacuum
- Selection of Quick-release coupling (ISO standard) and Gasket joint
- Switch setting adjustable by 2 VRs on the back
General specifications
| Pressure reference | Gauge |
|---|---|
| Rated pressure range | - 100 ~ 10 kPa |
| Maximum pressure | 200 kPa |
| Break-down pressure | 300 kPa |
| Operating temp. range | - 20 ~ 80 °C |
| Compensated temp. range | 0 ~ 50 °C |
| Pressure medium | Corrosive gases / liquids compatible with SUS 316L |
| Pressure port | K2(Flange joint:KF25)、VC(9/16-18UNF) |
| Net weight | Approx. 140g |
| Supply voltage | 12 ~ 24 ± 10 % VDC |
| Consumption current | 15 mA maximum |
Switch output
| No. of outputs | 2 (NPN / PNP open collector) |
|---|---|
| Setting method | Adjustable by VR |
| Adjustable range | 0 ~ 100 % |
| Output mode | Upper and upper limit mode / Upper and lower limit mode |
| Accuracy 0~50 °C (Reference temp.: 25 °C) |
± 3 %F.S. |
| Hysteresis | 2 %F.S. maximum |
| Response | Approx. 2ms |
Environmental characteristics
| Test item | Test conditions (At 25 ± 5 °C) | Permissible change |
|---|---|---|
| Vibration | 10 ~ 500 Hz, 1.5 mm maximum / 98.1 m/s2 ,3 directions for 2 hours each | Switch operating pressure : ± 2 %F.S. maximum ※ 1 |
| Shock | 490 m/s2 , 3 directions for 3 times each | |
| Moisture resistance | 40 °C, 90 ~ 95 %RH, 240 hrs | |
| Pressure cycling | 0 ~ Rated pressure, 106 cycles |
MODEL NUMBER DESIGNATION
| PS91- | 102V- | N2 | K2 |
|---|---|---|---|
|
Series name |
Rated pressure range 102V : - 100 ~ 10 kPa |
Switch output interface N1 : NPN (Upper and upper limit mode) N2 : NPN (Upper and lower limit mode) P1 : PNP (Upper and upper limit mode) P2 : PNP (Upper and lower limit mode) |
Fitting K2 : Flange joint KF25 (NW25) VC : Gasket joint (9/16-18UNF) |
List of model numbers
| Model number | Fitting | Switch output interface | Rated pressure | CAD |
|---|---|---|---|---|
| PS91-102V-N1K2 | Flange joint KF25 (NW25) | NPN (Upper and upper limit mode) | - 100 ~ 10 kPa | |
| PS91-102V-N2K2 | Flange joint KF25 (NW25) | NPN (Upper and lower limit mode) | - 100 ~ 10 kPa | |
| PS91-102V-P1K2 | Flange joint KF25 (NW25) | PNP (Upper and upper limit mode) | - 100 ~ 10 kPa | |
| PS91-102V-P2K2 | Flange joint KF25 (NW25) | PNP (Upper and lower limit mode) | - 100 ~ 10 kPa | |
| PS91-102V-N1K2 | Gasket joint (9/16-18UNF) | NPN (Upper and upper limit mode) | - 100 ~ 10 kPa | |
| PS91-102V-N2K2 | Gasket joint (9/16-18UNF) | NPN (Upper and lower limit mode) | - 100 ~ 10 kPa | |
| PS91-102V-P1K2 | Gasket joint (9/16-18UNF) | PNP (Upper and upper limit mode) | - 100 ~ 10 kPa | |
| PS91-102V-P2K2 | Gasket joint (9/16-18UNF) | PNP (Upper and lower limit mode) | - 100 ~ 10 kPa |
Switch output schematics
Internal electrical schematics
Outline dimensions

Documents
- ●The above contents and descriptions are subject to change without notice.



