Photoelectrics Level Sensors Type VP, Unmodulated Sensor for liquid level detection Built-in amplifier, Ga-As diode Output: Transistor NPN/PNP or SCR, NO or NC High chemical resistance to most acids and bases VP01/03: Output OFF when sensor in liquid VP02/04: Output ON when sensor in liquid No electrical or thermal connection between liquid and electrical circuit DC types: LED-indication for output ON Power supply: DC types: 10 to 40 VDC AC types: 110 or 230 VAC Product Description Ordering Key VP 0 3 E P Optical level sensor with container wall. VP01/02 are Type unmodulated, infrared light available in a Polysulphone Housing for the detection of liquids. housing resistant to most Output status Fitted with built-in amplifier. acids and bases. VP03/04 Output type Trans mitter and receiver are available in a Polyamide PNP output are completely self-con- 12 housing resistant to vari- tained in solid plastic housing ous solvents. designed for mounting into Type Selection - DC Types Housing material Ordering no. Ordering no. Ordering no. Ordering no. Transistor NPN Transistor NPN Transistor PNP Transistor PNP Make switching Break switching Make switching Break switching Polysulphone VP 02 E VP 01 E VP 02 EP VP 01 EP Polyamide 12 VP 04 E VP 03 E VP 04 EP VP 03 EP Type Selection - AC Types Housing material Ordering no. Ordering no. Ordering no. Ordering no. Make switching Break switching Make switching Break switching 110 VAC 110 VAC 230 VAC 230 VAC Polysulphone VP 02-110TB VP 01-110TB VP 02-230TB VP 01-230TB Specifications Transistor NPN/PNP SCR output AC types Rated operational voltage 10 - 40 VDC 110 VAC: 100 - 121 VAC, 45 - 60 Hz 230 VAC: 195 - 265 VAC, 45 - 60 Hz Rated operational current Continuous 200 mA 10 - 100 mA Voltage drop 1.0 VDC 9.0 VAC No-load supply current 12 mA 7 mA Sensing accuracy Liquid level difference Horizontal mounting: 5 mm Horizontal mounting: 5 mm Vertical mounting: 2.5 mm Vertical mounting: 2.5 mm Ambient light 0 - 100 lux 0 - 100 lux Frequency of operating cycles (f) 30 Hz 5 Hz Specifications are subject to change without notice (08.05.2017) 1 VP, unmodulated Specifications (cont.) Transistor NPN/PNP SCR output AC types Environment Degree of protection IP 67 IP 67 Operating temperature -20 to +80C (-4 to +176F) -20 to +80C (-4 to +176F) Storage temperature -40 to +100C (-40 to + 212F) -40 to +100C (-40 to + 212F) Indication for output status LED, yellow Housing and tip material VP01/02 Polysulphone Polysulphone VP03/04 Polyamide 12 Weight 90 g 90 g Connection Cable (PVC), 2 m Cable (PVC), 2 m 4,1 mm, 3 x 0,25 mm2 5,2 mm, 2 x 0,5 mm2 Pressure 10 bar at + 60C 10 bar at + 60C Pipe thread 3/8 PT 3/8 PT CE-marking Yes Yes Mode of Operation The sensor contains IR trans- head, provided that the tip mitter, receiver and amplifier of the sensor is situated in with transistor or SCR output. free air. If the sensor tip is The light source is a Ga-As immersed in a liquid, always diode emitting infrared light. having a refractive index dif- ferent from air, the beam will The conical tip of the sensor not be refracted by the prism forms an angle of 90C. This and the photo transistor will angle acts as a prism, i.e. not receive any signal. the beam, emitted from the The sensor types can operate Ga-As diode placed in one in oil, waste water, aqueous side of the sensor head, is solutions such as beer, wine, reflected internally to the alcohol etc. without any kind phototransistor placed in of accessory. the other side of the sensor Wiring Diagrams Dimensions BN BU BK BK BU BN VP01E, VP03E VP01EP, VP03EP BN BU BK BK BU BN Pipe thread ISO 228/1-G 3/8 * VP02E, VP04E VP02EP, VP04EP BN BN DC types AC types A mm 6.0 6.7 B mm 4.1 5.2 BU BU VP01-...TB VP02-...TB * DC types 2 Specifications are subject to change without notice (08.05.2017) A B