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Pressure switch for high vacuum PS91

●To buy this product, please go to the following Online Web stores.
To the Pressure switch “PS91 series” page on the DigiKey online shop
To the Pressure switch “PS91 series” page on the Mouser online shop
To the Pressure switch “PS91 series”page on the RS components online shop

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 ~ 10kPa
Maximum pressure 200kPa
Break-down pressure 300kPa
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 %V DC
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 itemTest 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
※ 1 Working pressure of switch output is variation ± 2 %F.S. before or after test.

MODEL NUMBER DESIGNATION

PS91-102V-N2K2

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 numberFittingSwitch output interfaceRated pressureCAD
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

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

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