Water quality. Visual seabed surveys using remotely operated and/or towed observation gear for collection of environmental data has-tracked-changes NOTE The applicability of this

NOTE The applicability of this standard also for batteries according to EN 50342-4 is under consideration

The objective of BS EN IEC 60034‑2‑3 is to provide test methods for determining total losses including additional high frequency motor losses and efficiency of converter-fed motors

Extraction by immersion in a solvent in a beaker

in order to instruct the persons handling the equipment as to its use and operation

national or regional festivals provided this is worn for limited periods and under supervision

Water quality. Visual seabed surveys using remotely operated and/or towed observation gear for collection of environmental data has-tracked-changes NOTE The applicability of this1 Scope This European Standard describes methods, requirements and equipment for remote visual surveillance of organisms and the seabed using still photography and video recording to ensure precise and reproducible data. The main aims of the methods are to record or monitor seabed conditions and organisms on and just above the seabed in a reproducible way at a resolution that is appropriate to the aims of the survey. In caves and overhangs this