Winters Instruments (formerly known as Winters Thermogauges) is a manufacturer of industrial instrumentation products. It offers pressure gauges, transmitters, switchers, diaphragm seals, thermometers, resistance temperature detectors (RTDs), thermocouples, thermowells, and accessories. The company also provides calibration, dial changing, fluid filling and drying, audit, oxygen cleaning, seal assembly, and repair services. Winters Instruments caters to the HVAC, fire equipment, petrochemical, hydraulics, pneumatics, transportation, mining, power generation, and other industries.