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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 ~ 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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