Tel-Tru Aa575R Thermometer 1/2 NPT Connection

The Tel-Tru AA575R Thermometer with a 1/2 in NPT connection is an industrial-grade bi-metal dial thermometer designed for accurate temperature indication of liquids, gases, and process media in demanding systems. It features a 5-inch dial, an adjustable-angle back connection, and a 304 stainless steel stem and case with a glass lens, using a bi-metal coil sensing element and an external recalibration (resettable) mechanism for on-site adjustments, with accuracy of ±1% full scale. Available ranges include 0–250°F, 50–500°F, and -40–160°F/°C, with stem lengths from 2.5 in to 120 in (application dependent). NIST-traceable options are available, and the unit is manufactured in the USA by Tel-Tru Instruments. Common applications span boilers, pressure vessels, storage tanks, pipelines, heat exchangers, food processing equipment, chemical processing systems, HVAC, oil and gas facilities, water treatment plants, steam systems, and OEM process equipment where dependable temperature monitoring is essential.