Unlike LED or LCD displays, electromagnetic displays have every segment of a digit controlled by electromagnets, by means of two coils - set / reset. Principle is similar to a bi-stable relay, thus for activation/ deactivation is necessary only a pulse 12V/ 350 mA lasting 90-150 ms according to a type of display. This also means, that the display has a zero power consumption at rest, e.g. power is necessary only for a change of status in a form of a short impuls.
They are available in sizes from 10 to 58 cm, with white or yellow segments and a black background and in 2 versions: without or with a rear-mounted circuit board including connectors for easy attachment of ribbon cable and power wires. They are suitable to display for exampple these parameters: currency or a price (petrol signage), scoreboads – time/ speed, weight at industrial scales, motel rooms prices, time and temperature, various industrial measures and many other.
Advantages / Features:
- outstanding legibility even at direct sunlight
- equipped in a protective casing for easy mounting
- maintanance free operation
- high reliability, life expectancy over 70 million operations
- viewing angle 120 - 140°
- specified temperature -40 to +70 °C
- no power consumption at rest
Do not miss these articles
Do you like our articles? Do not miss any of them! You do not have to worry about anything, we will arrange delivery to you.