The Ashcroft® 2074, 2174 and 2274 digital pressure gauge multifunctional instrument providing exceptional features and performance. Model 2074 is battery powered, model 2174 is 4 to 20 mA loop powered, and model 2274 is powered by 12 to 36 vdc with options for switch output and 4 to 20 mA output. Polysilicon thin film technology makes pressure measurement extremely reliable and virtually unaffected by shock and vibration. An ideal indicator for industrial test and measurement applications.