This series of indicators is available in two versions; one with basic functions and one with full functions for complete SPC compatibility. Features and Benefits Common to Both Versions: Conform to the dimensions of AGD size Group 2 Available with either a .375" (9.5 mm) stem or an 8 mm (.315") stem. Furnished with .375" (9.5 mm) stem unless otherwise ordered 1" (25 mm) range Readout available to .0005" and 0.01 mm A large, right-sized, easy-to-read LCD digital readout, surrounded by a rotating black bezel Furnished with lug-on-center back Starrett-designed electronics microprocessor Output to Starrett SPC Plus® system components on most models Utilizes standard indicator accessories and holding devices Battery powered and portable Rugged, sealed enclosure makes them F.F.F. (factory floor friendly) No. 2600 Basic Indicator Action Features Instant inch/mm conversion Zero at any position Plus/minus control to indicate direction ON/OFF control with automatic off after one hour of nonuse. (Zero references will not be lost from memory) No. 2600 Full-Function Indicator Action Features Bezel rotates the reading for convenient positioning Easiest keyboard control with the new shift button Instant inch/mm conversion Zero at any position Ability to retain and return reading to the original zero reference (zero absolute [ABS]) Plus/minus control to indicate direction Min/Max/TIR – Min/max mode is used to retain the lowest and highest readings in a group, and TIR gives the difference between them Limits mode to enter low and high limits for tolerance control. This is easily done by the new shift control to enter the proper functio Specifications Range Resolution Accuracy Inch mm Inch mm Inch mm 1" 25 mm .001" .0005" 0.01 mm ±.001" ±0.03 mm