Accurate Technology ProScale Page 4 of 48Table of ContentsSECTION 1 GENERAL INFORMATION ............................................... 6INTRODUCTION ....................................................................................... 6WHAT THIS MANUAL INCLUDES ................................................................. 6PRODUCT SPECIFICATIONS....................................................................... 7PROSCALE TERMINOLOGY ....................................................................... 8Scales .............................................................................................. 8Absolute ........................................................................................ 8Incremental.................................................................................... 9Readheads ......................................................................................10Absolute .......................................................................................10Incremental...................................................................................10DISPLAYS .............................................................................................11Measurement Compensation Option..................................................11Surface Mount LCD Displays.............................................................12Basic Display ................................................................................12General Purpose, Battery ..............................................................12General Purpose, 24VDC ..............................................................12General Purpose, Wireless ............................................................12Panel Mount LCD Displays................................................................13Panel Mount, Basic, Battery...........................................................13Panel Mount, General Purpose, Battery..........................................13Panel Mount, Basic, 24VDC...........................................................13Panel Mount, General Purpose, 24VDC..........................................14Other Displays..................................................................................15SECTION 2 MODEL 150 & MODEL 250 .............................................16PROSCALE MODEL 150 ..........................................................................16Scale & ReadHead Installation ..........................................................16PROSCALE MODEL 250 ..........................................................................19Scale & ReadHead Installation ..........................................................19DISPLAY INSTALLATION ...........................................................................22Surface Mount Display ......................................................................22Panel Mount Display .........................................................................22SECTION 3 CALIBRATION/MAINTENANCE .....................................23CALIBRATION ........................................................................................23COMPENSATION CALIBRATION..................................................................24MAINTENANCE.......................................................................................25Changing the Batteries......................................................................26