Quality Control of Lab Equipment A Necessity

Asha Kaul Bazaz

The purpose of quality control in any laboratory is to minimize the number of errors and to provide a feeling of security for the laboratory personnel. Errors may be classified is two major categories:

  1. Errors of organization due to incorrect identification of samples of mistakes in transcription or in filling the results;

  2. Technical error due to poor quality of equipment, reagent or performance of the tests.

Quality control intended to avoid errors of organization (a) is achieved by checking periodically the respective procedures. A more right quality control can be applied to the technical procedures (b) performance of laboratory equipment.
Equipment used in laboratories in particular centrifuges, automatic cell washers, water baths, incubators, refrigerators, freezers, microscopes, Electronic balance, Auto Clave, micro pipettes, Hot air oven, cell counters etc. should undergo regular quality controls. Automated equipment should also be controlled systematically, according to the manufacture’s instructions.

Equipment Control
Assessment of the performance of laboratory equipment is mandatory on three specific occasions:

  1. On installation of the machinery.

  2. After any repairs or adjustments which may potentially after the function of the equipment.

  3. If ever a doubt arises that the machine is not functioning properly.

In addition to this, a schedule of routine and regular checking of machine functions may be drawn up, the interval of testing for each particular machine depending on two main factors. These two factors are the frequency of use of the piece of equipment, and its expected “life” in the laboratory.


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