Sampling and purging time selectable from keyboard. For LAMBDA25/35/45/10/20/40 no accessory PCB necessary. Requires, but does not include, accessory PCB for LAMBDA Bio 11, 12, and 14,(B0509681/B2190034) or accessory PCB for LAMBDA 18/19(B0124984/B0116378). For LAMBDA 6XX/8XX/9XX, requires, but does not include, Installation Kit for LAMBDA 800/900 (B2500123) and Accessory PC Board for LAMBDA 800/900 (B2205116). Requires, but does not include, Flowcell of choice with screw connector.