Optics and photonics. Telescopic systems. Specifications for night vision devices algolia-ignore — measuring the pumped discharge

— measuring the pumped discharge and the water level in the test well and piezometers

then safe working at height can be carried out by using personal protective equipment

Power distribution system

) or installation of the components

Receptacles are used with the circular and rectangular electrical connector and an optical connector for connecting

Optics and photonics. Telescopic systems. Specifications for night vision devices algolia-ignore — measuring the pumped discharge1 Scope This International Standard applies to night vision devices such as binoculars, monoculars and goggles that are used for observation activities at night such as rescue actions under low light conditions, urgent repairs in the dark and night time surveillance. The International Standard does not cover thermal imaging technology.