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.