Laboratory evaluation of the Boehringer Mannheim "Hitachi 705" automatic analyzer

Area of Science:

• Clinical Chemistry
• Laboratory Automation
• Medical Diagnostics

Background:

• Automated clinical chemistry analyzers are essential for modern diagnostic laboratories.
• Evaluating new instruments is crucial for improving laboratory efficiency and accuracy.
• The Hitachi 705 Automatic Analyzer represents a new option in discrete analysis technology.

Purpose of the Study:

• To evaluate the performance of the new Hitachi 705 Automatic Analyzer.
• To assess the precision, linearity, and operational reliability of the Hitachi 705.
• To compare the Hitachi 705 with an existing analyzer, the Du Pont aca.

Main Methods:

• The Hitachi 705 Automatic Analyzer was evaluated for its performance characteristics.
• The instrument's precision and linearity were assessed.
• Operational aspects, including ease of use and troubleshooting, were observed.
• Performance was compared to the Du Pont aca analyzer.

Main Results:

• The Hitachi 705 Automatic Analyzer demonstrated excellent precision and linearity.
• The instrument operated reliably with minimal operator intervention.
• It can perform 16 different tests per sample at a rate of 180 tests per hour.
• The Hitachi 705 interfaced successfully with the laboratory computer.
• Performance was comparable to the Du Pont aca.

Conclusions:

• The Hitachi 705 Automatic Analyzer is a high-performance, reliable instrument for clinical chemistry.
• Its discrete analysis capabilities and efficiency make it suitable for hospitals, even those not performing extensive profile testing.
• The analyzer offers a favorable alternative to existing technologies like the Du Pont aca.