Pressure Sensor & Switch
LED Digital Pressure Sensor
LED with good visibility for vacuum switch display
Advantages
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.
Specifications
General spec.
| Current consumption | 40mA or less |
|---|---|
| Pressure detection | Diffused metaloxide semiconductive pressure transducer |
| Operating pressure range | -100～0kPa |
| Pressure setting range | -99～0kPa |
| Proof pressure | 0.2MPa |
| 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) |
| 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) |
Port size
Tube size
| mm size (mm) | φ4, φ6, φ8 |
|---|
Thread size
| Metric female thread | M5x0.8 |
|---|
Circuit Diagram
Type & Price list
Detailed Safety Instructions
Caution
1.When setting the pressure and differential response, use a small screwdriver and gently turn the trimmer within its rotation range without applying excessive force. Applying excessive force may cause damage to the trimmer and to the circuit board.
2.To mount the sensor body, use the mounting through holes for M2.5 screws and tighten them with the tightening torque 0.3 to 0.31Nm referring to "2. How to fix body" in the instructions.
3.If other devices are connected to the same power supply as this sensor, and the SW output terminal is short-circuited with minus (-) terminal by a load operation test switch or the like while the minus (-) terminal (COM) is disconnected, the reverse current will flow to switch output circuit and the sensor will be damaged. When using this type of circuit, install a diode to prevent reverse current on the minus (-) side power supply line or on the SW output line in the direction shown in the following figure.
Inquiries about this product
It is also possible to suggest products suitable for various conditions such as applications and functions. Please feel free to contact us or visit the nearest sales office.
The following are frequently asked questions. Please check before making inquiries.
