The Vickers SP 120 analyser: an instrument evaluation
1978

Evaluation of the Vickers SP 120 Analyser

Sample size: 200 publication Evidence: moderate

Author Information

Author(s): B. P. Ager, R. Gentle, E. W. Ingarfiil, A. L. Tdrnoky

Primary Institution: The Department of Health and Social Security, London, UK

Hypothesis

The Vickers SP 120 analyser is designed to improve the efficiency and performance of clinical chemistry analysis compared to the Technicon SMA 12/60 analyser.

Conclusion

The Vickers SP 120 analyser significantly reduces sampling time and reagent consumption while maintaining acceptable analytical precision.

Supporting Evidence

  • The SP 120 analyser reduces sampling time from 54 seconds to 25 seconds.
  • Reagent consumption is reduced by 66.5% compared to the SMA 12/60.
  • The SP 120 system shows good linearity across various channels tested.
  • Precision measurements indicated acceptable performance for most channels.
  • Some channels showed improved precision under SP 120 conditions.

Takeaway

The Vickers SP 120 analyser helps labs test samples faster and use less liquid, making it easier to handle more patients.

Methodology

The study involved a comparison of the Vickers SP 120 analyser with the Technicon SMA 12/60 analyser, measuring sampling times, reagent usage, and analytical precision over a 20-day trial.

Potential Biases

There were concerns about the accuracy of results due to mechanical events and programming responses.

Limitations

The study noted some issues with low concentration results and potential programming errors, which could affect performance.

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