[Evaluation of the stability of parameters of multisized cameras]

The promising, but, expensive, multisized chambers which are not widely used in our country require weekly checkup of their parameters. For this, a number of testing tables approved by the International Electric Engineering Commission are recommended. Descriptions of these tables adjusted to our conditions and their approved use procedures, as recommended by the Ministry of Health and Medical Industry of the Russian Federation (P 42-505-95) are made.