The handbook is intended for engineers and electricians who dealing with production, maintenance, adjustment and repair of portable appliances.  

This handbook is dealing with the safety of electrical equipment. Safety management of electrical equipment, standards, test methods and documentation are explained in this book.

The overview of standards relevant to testing safety of electrical equipment is included into the handbook.

The handbook contains general information regarding classification of appliances by field of use and by protection classes and scope of necessary tests for different devices. Each test is described in details and attended by connection diagrams. For each test some possible faults are described and typical safety limits are given. The handbook also includes important notes and hints which could be useful in particular cases.

METREL portable appliance testers ensure automatic test sequences procedure with pre-set test limits and parameters. The handbook contains description of how to select the correct pre-programmed test sequence depending on the type and class of appliance and presence of accessible conductive parts in accordance to appropriate standard.    

After test data management including PAT PC software handling and use of barcode technology for labeling of appliances and RFID technology for contact less reading / writing of data are described in the handbook as well.