New Standard from Last Update.

1. SCOPE

1.1 This Indian Standard describes general requirements and test methods for deep freezers for vaccine and water pack storage. Vaccine freezers maintain temperatures of – 15 °C to – 25 °C, to store vaccine and prepare ice packs required for passive cooling in vaccines carriers and cold boxes.

1.2 This standard defines the requirements and procedure for verifying the performance of compression-cycle vaccine freezers or compression-cycle combined vaccine and water-pack freezers. Three temperature zone designations are described: moderate zone, temperate zone and hot zone.