Alarm gauge

Related to Alarm gauge: Grainger
a contrivance attached to a steam boiler for showing when the pressure of steam is too high, or the water in the boiler too low.

See also: Alarm

References in periodicals archive ?
Melt-pressure transducers, gauges, and alarm gauges.
The alarm is available with alarm gauges in 600, 4,000, 6,000, and 10,000 psig models to support all of the company's high-purity regulators.