Ashcroft 7GA-W2880-021 is a 3-inch dial bimetal thermometer (Mfr # 7GA-W2880-021), with the alternate designation 2C730. This non-mercury instrument uses a coiled bimetal strip to translate temperature into a readable dial movement, as is typical for Ashcroft’s bimetal thermometers. Designed for industrial process temperature monitoring in harsh environments, it is commonly used to measure temperatures in air, gas, or liquids and is sold as part of Ashcroft’s durable indicating thermometer lineup.
