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Pressure switch PS20

●To buy this product, please go to the following Online Web stores.
To the Pressure switch “PS20 series” page on the DigiKey online shop
To the Pressure switch “PS20 series” page on the Mouser online shop
To the Pressure switch “PS20 series”page on the RS components online shop

Pressure switch PS20

  • Ultra-small size pressure transducer with Amp.
  • With 1 switch output
  • 2 types of pressure ports are available
  • Meet EMC standards

STANDARD SPECIFICATIONS

  • Unless otherwise specified, the specs are defined at an ambient temperature of 25±5 °C and excitation voltage of 24 VDC.
Operating temp. range −10~60°C
Compensated temp. range 0~50°C
Operating humidity 35~85%RH
Storage temp. −20~70°C
Pressure medium Non-corrosive gases
Insulation resistance 100MΩ min.
Dielectric strength 500 VAC, 60s
Supply voltage 10.8~30VDC(Including ripple percentage)
Consumption current 20mA max.

Switch output

  • Unless otherwise specified, the specs are defined at an ambient temperature of 25±5 °C and excitation voltage of 24 V DC.
No. of output 1
Output interface NPN/PNP open collector output
Setting method Adjustable by VR 
Adjustable range Zero through rated pressure, minimum
Display Red LED (lighted when output is ON.)
Accuracy 0 ~ 50 °C(Reference temp.: 25 °C) ± 3%F.S.
Hysteresis 2%F.S. maximum
Switching capacity 30 VDC,80 mA maximum
Residual voltage 0.8V(NPN), 1.8V(PNP)
Response Approx. 1ms

MODEL NUMBER DESIGNATION

PS20-102V-NU

Series name

Rated pressure range

102V:0 ~ -100 kPa

(Gauge - Vacuum)

302R:-100 ~ 300 kPa

(Gauge - Compound

Switch output interface 

P:PNP open collector

N:NPN open collector

Pressure port

U:Universal joint

M:2-M5 female screw 

LIST OF MODEL NUMBERS

Model numbersRated pressure rangeMaximum pressurePressure referenceOutput interfacePressure portCAD
PS20-102V-NU 0 ~ – 100 kPa 200kPa Gauge - Vacuum NPN Universal joint
PS20-102V-PU 0 ~ – 100 kPa 200kPa Gauge - Vacuum PNP Universal joint
PS20-102V-NM 0 ~ – 100 kPa 200kPa Gauge - Vacuum NPN 2-M5 female screw
PS20-102V-PM 0 ~ – 100 kPa 200kPa Gauge - Vacuum PNP 2-M5 female screw
PS20-302R-NU – 100 ~ 300kPa 600kPa Gauge - Compound NPN Universal joint
PS20-302R-PU – 100 ~ 300kPa 600kPa Gauge - Compound PNP Universal joint
PS20-302R-NM – 100 ~ 300kPa 600kPa Gauge - Compound NPN 2-M5 female screw
PS20-302R-PM – 100 ~ 300kPa 600kPa Gauge - Compound PNP 2-M5 female screw

ENVIRONMENTAL CHARACTERISTICS

Test itemTest conditionsPermissible change
Vibration 10~55 Hz, 1.5 mm, 3 directions for 2 hours each Switch output pressure:
± 2 %F.S. maximum after test
Shock 1000 m/s2 , 3 directions for 3 times each
Pressure cycling 0~Rated pressure, 106 cycles
Moisture resistance 40 °C, 90~95 %RH, 240 h.
EMC EMI:EN55011: 2007, A2 : 2007 Group 1, class B
EMS:EN61326-1 : 2006 Table 2
Switch operating pressure:± 5 %F.S. maximum during tset

OUTLINE DIMENSIONS

Unless otherwise specified, tolerance : ± 0.5 (Unit: mm)

INTERNAL ELECTRICAL SCHEMATICS

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SWITCH OUTPUT SCHEMATICS

  • Turns on at the set pressure and turns off at the set pressure minus the hysteresis.

WARNING

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

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