Multi-well tray and rack therefor

An assembly for using in an automated process comprising:

• a rack comprising:
• a chassis having a top surface and first and second opposing ends, the chassis including locking members;
• a plurality of machine readable indicia including data disposed on the chassis;
• and
• a handle disposed on the first end surface of the chassis;
• two or more multi-well trays supported on the chassis of the rack, each multi-well tray comprising:
• a base including locking features;
• a card insert removably securable to the base;
• and
• one or more sets of wells, wherein each set comprises:
• a receptacle cap well formed in the base and configured to receive a receptacle cap;
• a receptacle well formed in the base and configured to receive a receptacle;
• and
• a reagent well formed in the card insert and containing a lyophilized reagent;
• wherein the locking members of the rack are operatively engaged with the locking features of the each multi-well tray to secure the multi-well tray to the chassis of the rack;
• and
• a fluid cartridge comprising:
• a liquid chamber and a liquid reservoir in fluid communication with the liquid chamber, the liquid chamber and the liquid reservoir containing a reconstitution solution for reconstituting the lyophilized reagent, and
• a frangible seal covering the liquid chamber and the liquid reservoir of the fluid cartridge.