LED Digital Pressure Sensor (PISCO)
- To improve visibility, an LED display is adopted for the vacuum switch
- LED displays are used for set-up pressure and working pressure
- 2 points signal output type and 1point signal output with 1 analog output type is available
Selection by applications is possible. A connector wiring realize easy layout. - Output detection accuracy is enhanced by the use of semiconductor switch
- General spec.
| Current consumption | 40mA or less |
|---|---|
| Pressure detection | Diffused metaloxide semiconductive pressure transducer |
| Operating pressure range | -100~0 kPa |
| Pressure setting range | -99~0 kPa |
| Proof pressure | 0.2 MPa |
| Operating temperature range | 0～50°C (No freezing) |
| Operating humidity range | 35～85% RH (No dew condensation) |
| Power supply | 12~24VDC ±10%, Ripple (P-P) 10% or less |
| Protective structure | IEC standard IP40 equiv. |
| Operating accuracy | ±3% F.S. or less (at Ta=25°C) |
| Response | About 2msec |
| Indication | 0 ~ -99kPa (2-digit red LED display) |
| Sampling rate | About 4 times/sec |
| Indication accuracy | ≦±3% F.S. ±2 digits |
| Sensor resolution | 1 digit |
- 2-point switch outputs specifications
| Factory default pressure | -50kPa(SW1), -10kPa(SW2) |
|---|---|
| No. of pressure setting | 2 |
| Hysteresis | Fixed (2% F.S. or less) |
| Switch output | NPN open collector/30V 80mA or less (Residual voltage:0.8V or less)/PNP open collector/30V 80mA or less (Residual voltage:0.8V or less) |
| Operation indicator | SW1:Red LED turns on when pressure is above the setting. SW2:Green LED turns on when pressure is above the setting. |
| Function | 1. MODE selector switch (ME or S1 or S2), 2. S1 setting trimmer (2/3-turn trimmer), 3. S2 setting trimmer (2/3-turn trimmer) |
- Analog output type specifications
| Factory default pressure | -50kPa |
|---|---|
| No. of pressure setting | 1 |
| Hysteresis | Variable (about 0 ～15%F.S. max.) |
| Switch output | NPN open collector/30V 80mA or less (Residual voltage:0.8V or less)/PNP open collector/30V 80mA or less (Residual voltage:0.8V or less) |
| Operation indicator | SW1:Red LED turns on when pressure is above the setting. SW2:Green LED turns on when pressure is above the setting. |
| Analog output voltage | 1～5V |
| Analog output Zero-point voltage | 1 ±0.1V |
| Analog output Span voltage | 4 ±0.1V |
| Analog output current | 1mA max. (load resistance min.5kΩ) |
| Analog output LIN/HYS | ±0.5% F.S. or less (at Ta=25℃) |
| Operation indicator | Red LED turns on when pressure is above setting |
| Function | 1. MODE selector switch (ME or SW), 2. SW setting trimmer (2/3-turn trimmer), 3. HYS setting trimmer (about 0 ～15% of set value) |
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