Optics and optical instruments. Microscopes. Testing of stereomicroscopes1 Scope This International Standard specifies test conditions and recommended test methods to ensure the minimum requirements for stereomicroscopes. These minimum requirements are given in ISO 10936 1, ISO 11884 1 and ISO 11884 2. The test methods specified in this International Standard are recommended, but use of other test methods is permitted if the same results are obtained.

Because of these factors

6 Health and safety of operators

and to describe methods of reporting and evaluating the results of the measurement data obtained

It also gives guidance on the application of the requirements of BS 7671:2008 Requirements for electrical installations

Refrigerant compressors are the heart of the refrigeration system

ISO 14816 on road transport and traffic telematics is useful for:

1 Rules for safe handling and use

including information on the participating laboratories

It does not permit the use of a cylindrical test piece

where there is a temperate climate and advanced warning of flooding is available

BS 7370-3 provides users guidance on turf categories

and mechanical parameters to be measured