Pressure switch PS20
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Pressure switch PS20
- Ultra-small size pressure transducer with Amp.
- With 1 switch output
- 2 types of pressure ports are available
- Meet EMC standards
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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- | N | U |
|---|---|---|---|
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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 numbers | Rated pressure range | Maximum pressure | Pressure reference | Output interface | Pressure port | CAD |
|---|---|---|---|---|---|---|
| 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 item | Test conditions | Permissible 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. |
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.
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WARNING
- The product is neither drip proof nor dust proof structure. Do not use it under the condition where water or oil drips, dust rises, or corrosion occurs
- Do not use corrosive gases or liquids as pressure media.
- Do not apply pressure exceeding the maximum pressure as shown in the specs.
- Do not short-circuit the output terminal (switch terminal) to the other terminals. Also, do not connect the load that would allow the current over the rated current. Otherwise, the internal circuitry may be damaged.
- When handling the product, be sure to pick up the body and not to give an excessive force to the cable.
- When piping, do not use a wrench to any other part than the port section, and tighten the fitting with torque less than the specified torque.
- When setting the pressure-setting trimmer (PS20), do not to apply too much force to them. The allowable torque for the pressure-setting trimmer should be no more than 0.02N-m.
- For stability, use a regulated DC power supply. Surge absorbing circuits (diodes, varistors, etc.) are necessary if inductive loads such as relays and solenoids are connected to the same power line as the products. IF using a DC power supply unit such as a switching power supply, the FG terminal should be earthed.
- Use PH neutral detergents to clean the body. Do not use lacquer thinner and other solvents for cleaning.
Documents
- ●The above contents and descriptions are subject to change without notice.
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