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24PC Datasheet(PDF) 56 Page - Honeywell Solid State Electronics Center |
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24PC Datasheet(HTML) 56 Page - Honeywell Solid State Electronics Center |
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56 / 73 page ![]() 56 www.honeywell.com/sensing LIQUID LEVEL Honeywell liquid level sensor components incorporate a voltage level switch which provides a digital output that denotes the presence or absence of liquid. The mode of operation is derived from the principle of total internal reflection. An LED and detector are housed within a plastic dome at the head of the device. When no liquid is present, all light from the LED is totally internally reflected from the dome boundary to the detector. When liquid covers the dome, the effective refractive index at the dome/liquid boundary changes, allowing some light from the LED to escape. Thus the amount of light received by the voltage level switch is reduced and the output switches, denoting the presence of liquid. This method of liquid level sensing is very fast, and instantaneous for water. The LL Series is a basic component which requires external circuit protection; this protection is incorporated in the LLE Series. Housing: Polysulphone Termination: 250 mm lead wires Supply voltage: +5 Vdc Pressure range: 0 to 5 bar LL Series Operating temperature: Standard -20 °C to 85 °C -4 °F to 185 °F High temperature -40 °C to 125 °C -40 °F to 257 °F Storage temperature: Standard -40 °C to 100 °C -40 °F to 212 °F High temperature -50 °C to 150 °C -58 °F to 302 °F OPTIONS Type 2 SEAL WASHER REFERENCE High temperature Vamac LL102101 Type 3 SEAL WASHER REFERENCE Standard Nitrile rubber LL103000 High temperature Vamac LL103101 Type 5 SEAL WASHER REFERENCE High temperature Nitrile rubber LL105100 Liquid Level Sensors LLE Series Operating temperature: -25 °C to 80 °C -13 °F to 176 °F Storage temperature: -30 °C to 85 °C -22 °F to 185 °F ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y ; y Vcc RED OUTPUT GREEN SCHMITT TRIGGER PHOTO TRANSISTOR 0 V BLUE IRED VOLTAGE REGULATOR OPTIONS Type 2 19,00 (0.75) 22,49 (0.89) 19,40 (0.76) 12,45 (0.49) 4,70 (0.19) 0,22 mm Tinned Ends 2 (0.01 in ) 2 SEAL WASHER REFERENCE Nitrile rubber LLE102000 Type 5 Ø10,00 +0,10 -0 4,1 (0.16) 13,0 (0.51) 2,3 (0.09) 16,12 (0.63) 0,22 mm Tinned Ends 2 (0.01 in ) +0.004 -0 (0.39 ) 2 SEAL WASHER REFERENCE Nitrile rubber LLE105000 |
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