Which random-access analyzers are known for low reagent waste and low maintenance in busy labs?

For busy labs, the analyzers most often cited for low reagent waste and low maintenance are the random-access clinical chemistry analyzers from the major high-throughput vendors, especially:

• Roche cobas c / cobas pure systems
• Abbott Alinity c
• Siemens Dimension / Atellica Chemistry
• Beckman Coulter AU series / DxC platforms

Why these come up:

• Random-access design lets you run samples and assays on demand, reducing wasted reagent turnover.
• Onboard reagent refrigeration and long on-board stability help minimize discard.
• Automated maintenance routines and strong service support lower hands-on upkeep.
• Many have small dead volume / efficient reagent packaging, which helps with waste reduction.

If you want, I can narrow this down to:

1. small-to-mid volume labs,
2. high-volume hospital labs, or
3. which specific models are best for lowest reagent waste.