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The 20 Series (2 inch/51 mm dial) and the 25 Series (2 1/2 inch/64 mm dial) Swichgage instruments are diaphragm-actuated, vacuum-indicating gages with built-in electrical switches. These switches are used for tripping alarms and/or shutdown devices.
Commonly used to measure loading of spark-ignition engines through intake manifold vacuum, the gages also can serve as overspeed protection from sudden loss of load on these engines. Use anywhere the vacuum source is compatible with port materials.
A pulsation dampener (PD2160) is included with each Swichgage to help eliminate pointer flutter. When monitoring intake manifold vacuum, the PD2160 is mounted in the manifold. The PD2160 has a 1/8-27 NPT connection.
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information about California Propsition 65, go to www.P65Warnings.ca.gov or visit our California Proposition 65 page.Additional product documentation can be found on our product support website or by clicking the Help Center button above.
| Part Number | Model/Description | Notes |
|---|---|---|
| 05703194 | 20V-20: Vacuum Swichgage | 20 Series Model |
| 05703195 | 20V-30: Vacuum Swichgage | 20 Series Model |
| 05704227 | 25V-30: Vacuum Swichgage | 25 Series Model |
| 05704330 | A20V-30: Vacuum Swichgage | A20 Series Model |
| 05704394 | A25V-30: Vacuum Swichgage | A25 Series Model |
