The operation of an electro-optical level switch is based on an infrared LED and a photoreceptor. The light from the LED is sent to a glass prism forming a tip that constitutes the sensor probe. As long as this prism is surrounded by gas, the light is reflected from the prism to the receiver. When the liquid level reaches the prism, the light beam is refracted into the liquid and the receiver registers a decrease in the received light intensity, which triggers the...
float level switch
L007 Series
Process temperature: -13 °F - 300 °F
Process pressure: 50, 100, 300 psi
... rising level. Normally open or normally closed switch operation is easily defined by the mounting position of the switch. When normally open the float lowers with the fluid level and, ...
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Clark
Clark
vibrating level switch
ILV series
Process temperature: -40 °C - 150 °C
Process pressure: -1 bar - 16 bar
... device is used for level monitoring in all types of bins or silos and for all kinds of powders or granular materials. ILV-type Bin Level Indicators are designed for electric signalling by fork vibration of minimum ...
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