3-12 Echo Liquid Handler User Manual3.2.8 Anti-static barsThe upper and lower anti-static bars (also called ionizer bars) remove anyelectrostatic charge from the source and destination microplates.Electrostatic charge can affect the placement of the transferred drop duringliquid transfer.Figure 3.12 Anti-static barsBarcode scannerThe barcode scanner is optional. You can purchase one or more barcodescanners to add to your Echo liquid handler that will read and reportbarcoded microplates.Figure 3.13 Barcode scanner locationsLower anti-static barsUpper anti-static barRight Barcode ScannerLeft Barcode ScannerFront Barcode Scanner(not shown)