Soil improvers and growing media. Determination of the aerobic biological activity - Self heating test for compost Ingestion-build-67170 This part of IEC 61558

This part of IEC 61558 deals with the safety of constant voltage transformers for general applications and power supply units for constant voltage for general applications

Note: The test procedure specified in BS EN 933-3 is not applicable to particle sizes less than 4 mm or greater than 100 mm

– 200 kVA for poly-phase constant voltage auto-transformers

Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts

Manufacturer of electricity transformers

Soil improvers and growing media. Determination of the aerobic biological activity - Self heating test for compost Ingestion-build-67170 This part of IEC 615581 Scope This European Standard describes a method to determine the aerobic biological activity using a self heating test. This method is only applicable to composted material.