ZEVAm PCB warpage sensor Ben van Seeters Modified on: Thu, 20 Aug, 2020 at 12:48 AM The attached documents describe the Keyence Board Warpage sensor, for the board warpage compensation. 7-850390_A. Adjustment procedure Amplifier Keyence IL-1000.pdf (529 KB) 7-850389_B Setting Keyence glass fiber sensor.pdf (204 KB)