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The Mechanical Pressure Sensor is PISCO's mechanical vacuum-sensing configuration for applications where a simple adjustable switch is preferred over an electronic pressure sensor. It uses a diaphragm-to-microswitch pressure-detection principle.
The sensor provides a stepless pressure-setting adjustment by nut rotation and a common/N.O./N.C. switch terminal arrangement. PISCO also specifies selectable tube and fitting arrangements for integration with vacuum equipment.
The official PISCO vacuum-module catalog specifies a pressure setting range of -20 to -80kPa, ±4kPa accuracy and maximum 16kPa hysteresis. The factory setting is approximately -50kPa, and the specified microswitch rating is 7A at 250V AC.
Install the sensor with the appropriate air/vacuum port configuration and adjust the switching pressure using the setting nut. Confirm the product circuit is at zero pressure before releasing any connected tube.
| Specification | Details |
|---|---|
| Pressure detection | Diaphragm to microswitch |
| Pressure setting range | -20 to -80kPa |
| Setting method | Nut rotation, stepless adjustment |
| Switch terminal | Common, N.O., N.C. |
| Accuracy | ±4kPa |
| Hysteresis | 16kPa max. |
| Factory default pressure | Approx. -50kPa |
| Microswitch rating | 7A 250V AC |
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