VRC Electronic Vacuum Switch ● Piezo ● 1400 to 1 mbar
€ 383.00 excl. VAT and transport costs
The VRC electronic vacuum switch can be used for directly switching a pump or valve in the rough vacuum range. An additional recorder output allows a continuous monitoring of the process pressure.
Weight | 1.1 kg |
---|---|
Dimensions | 25 × 16 × 9 cm |
Measurement principle | |
Set-Point Range | 10-1200 mbar |
Gas dependency | independent of gas type |
Materials in contact with vacuum | Stainless steel, 1.4305, Al₂O₃, ceramic, FKM (FFKM on request) |
Accuracy | +-0.3% full scale |
Response time | < 20 ms |
Voltage supply | 18 – 30 VDC |
Electrical connection | |
Power consumption | Without relay 50 mA, with relay 70 mA |
Operating temperature | 0…+40°C |
Storage temperature | -10…+60 °C |
recorder output | 0-1 V or 0-10 V; 5mA |
Switch Point | Switch Point 20 hPa, Hysteresis +4 mbar (standard, others on request) |
Vacuum connection | Stainless steel DN 16 ISO-KF, G1/4 female thread |
Protection class | |
Weight | Approx. 450 g |
Data sheets, manuals, 3D models and more |
What does “piezoresistive” mean? By changing the presUnder the effect of pressure, a thin membrane with a resistance measuring bridge on the back is deformed. These piezoresistive resistors change under compressive or tensile stress. The resulting detuning of the measuring bridge is a measure of the absolute pressure acting on the diaphragm. |
How is the switching point set? First, the housing cover must be removed to prevent unintentional adjustment. The switching point is set using a potentiometer, whereby the value of the switching point is output as a 0 - 1 V analog signal for checking purposes. |
Can you display the measurement values? Yes, the measurement values are displayed as a 0-10 V analog signal. |
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