Menu Driven Functions are selected from a simple and logical menu. Streamlined user interface for quick access to menu items and common functions. User-Selectable Measurement Modes: Single sample; Auto Repeat Mode for repeat measurements of the same sample; Averaging Mode for precision measurements; Delayed Start Mode for samples requiring longer equilibration times. Four user-selectable languages (English, French, German, Spanish). Superb Accuracy Unsurpassed by any other method, error is less than 1% in the clinical range. Self Cleaning Self-cleaning thermocouple reduces maintenance and improves performance. Easy Calibration A push of a button automatically sets the calibration parameters. Economical Low initial cost, no expensive proprietary supplies. Trouble-free Self Diagnostic Operation Few moving parts, no mechanical adjustments, no mechanical breakdowns. Automated circular sample slide and chamber locking operation, which places all the controls on the front panel. Built in clock records and displays a date code for each sample result.