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Pressure switch PS8

Pressure switch PS8

  • Solidstate pressure switch with no mechanical moving parts
  • High corrosion resistance by double diaphragm structure
  • Two pressure setting points 
  • Wide pressure medium compatibility

General specifications

■Unless otherwise specified, the specs are defined at an ambient temperature of 25 ± 5 °C and excitation voltage of 12 VDC.
Item 102G102V352G103G
Pressure reference Gauge
Rated pressure range 98.1 {1}kPa {kgf/cm2} − 98.1 {−1}kPa {kgf/cm2} 343 {3.5}kPa {kgf/cm2} 981 {10}kPa {kgf/cm2}
Maximum pressure 196 {2}kPa {kgf/cm2} 686 {7}kPa {kgf/cm2} 1961 {20}kPa {kgf/cm2}
Break-down pressure 294 {3}kPa {kgf/cm2} 1030 {10.5}kPa {kgf/cm2} 2941 {30}kPa {kgf/cm2}
Operating temp. range − 20 ~ 70°C
Compensated temp. range 0 ~ 50°C
Operating humidity 35 ~ 85%RH(No condensation)
Storage temp. −20 ~ 70°C(Atmospheric pressure humidity 65 %RH maximum)
Storage temp. Corrosive gases/liquids compatible with SUS316L and SUS316
Insulation resistanca 100 MΩ min.(500 V DC)
Dielectric strength 500 V  AC, 60 s(Leakage current 1mA maximum)
Sealed liquid Silicone oil
Pressure port G 3/8 (PF 3/8) ※
Net weight Approx. 120g
Supply voltage 12 ~ 24 V ± 10 %
Ripple content 10 % (P-P) maximum
Consumption current 20mA max.
※ : An “O” ring is supplied as accessory. (P18).

Switch output

■Unless otherwise specified, the specs are defined at an ambient temperature of 25 ± 5 °C and excitation voltage of 12 VDC.
No. of output 2
Output interface NPN open collector output
Setting method Adjustable by VR
Adjustable range 10 ~ 100 % of rated pressure
Display Red LED (lighted when output is ON.)
Accuracy  0~50 °C
(Reference temp.: 25 °C) 
± 0.3 %F.S. maximum
Hysteresis 2% F.S. maximum
Switching capacity 30 V DC 80 mA maximum
Residual voltage 0.8 V 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 output setting: ± 1 %F.S. maximum
Shock 981 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

PS8-102G

Series name

Rated pressure range

102:0 ~ 98.1 kPa {0 ~ 1 kgf/cm2 }

352:0 ~ 343 kPa {0 ~ 3.5 kgf/cm2 }

103:0 ~ 981 kPa {0 ~ 10 kgf/cm2 }

Pressure reference

G:Gauge

V:Gauge (Vacuum)

LIST OF MODEL NUMBERS

Model numberRated pressurePressure portPressure referenceCAD
PS8-102G 0~98.1 {0~1} kPa {kgf/cm2} G 3/8(PF 3/8) Gauge
PS8-352G 0~343 {0~3.5} kPa {kgf/cm2} G 3/8(PF 3/8) Gauge
PS8-103G 0~981 {0~10} kPa {kgf/cm2} G 3/8(PF 3/8) Gauge
PS8-102V 0~98.1 {0~1} kPa {kgf/cm2} G 3/8(PF 3/8) Gauge(Vacuum)

INTERNAL ELECTRICAL SCHEMATICS

OUTLINE DIMENSIONS

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

 

SWITCHING OPERATION

※ 2 switches show same performance.

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

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