a group of products which fulfill a similar need for a market segment or market as a whole.
The difference between the maximum and minimum temperatures or between the highest and lowest mean temperatures during a specified time interval.
It is the sensing range for which the sensor can stably detect the standard sensing object even if there is an ambient temperature drift and/or supply voltage fluctuation. (Normally, it is 70 to 80 % of the maximum operation distance.)
the extent of the observable world that is seen at any given moment. In the case of optical instruments or sensors it is a solid angle through which a detector is sensitive to electromagnetic radiation.
a particular group of related products.
Equipment Type means a type of communications equipment specified in terms of its manufacturing brand name, trade name, model number, version number and function.