Industrial Pressure Gauges
OPL Series - Mechanical Industrial Pressure Gauges
The OPL Series pressure gauge instruments are combination pressure-indicating gauges with adjustable low and high limit switches.
- Combination indicating gauge and critical pressure limit switches
- High and low pressure limit contacts are visible and adjustable
- Panel- and surface-mount versions
- Indicating-only gauge available
- Latching control relay versions available
The OPL Series limit switches can be wired directly to electric pilot circuits to operate alarms, shutdown or the start/stop of engines and electric motors. Surface-mount or panel-mount enclosures are available for most versions. All versions feature a 4-1/2 in. (114 mm) dial for easy viewing. Adjustable limit switches are accessible from the front of the gauge. Limit contacts have self-cleaning motion to enhance electrical continuity.
Other versions available:
- Gauge only without contacts
- Gauge instrument with built-in latching relay for start-stop operations.