Pressure switch PS8
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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
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General specifications
■Unless otherwise specified, the specs are defined at an ambient temperature of 25 ± 5 °C and excitation voltage of 12 VDC.
| Item | 102G | 102V | 352G | 103G |
|---|---|---|---|---|
| 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 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 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- | 102 | G |
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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 number | Rated pressure | Pressure port | Pressure reference | CAD |
|---|---|---|---|---|
| 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
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OUTLINE DIMENSIONS
Unless otherwise specified, tolerance : ± 0.5 (Unit: mm)
SWITCHING OPERATION
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※ 2 switches show same performance.
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