Liquid/oil Filled Vacuum Gauge
The ELSAMED Models LF4002L and LF4002 are rugged & durable and suited for a wide variety of commercial and general service applications. The stainless steel case is filled with glycerine to protect the internals against vibration and pulsation. This unit is completely weather-proof and excellent for pumps, air compressors, irrigation systems, and other installations suitable for brass process connections.
CAUTION: A coil syphon must be installed on the connection when used on steam applications.