Autometer Z-Series 52mm 0-1600 Def F Full Sweep Electronic Pyrometer GaugeWatching Your Precise Exhaust Temperature Can Mean The Difference Between Maximum Performance And Catastrophic Engine Damage. On High Output Diesel Or Forced Induction Applications, There Are Few Gauges That Are More Critical. Autometers Digital Stepper Motor Display Makes Viewing Your Exact Exhaust Temperature Effortless. The Included Type K Thermocouple Assures Maximum Accuracy And Minimum Response Time. There Is, Quite Simply, Not A Better