Cup Anemometer PVC Housing, Rotor of black painted Stainless Steel Type DWS-V-DBC05 Anemometer with opto-electronic detection Measuring range: 2 to 30 m/s PNP and NPN open collector outputs in the same unit Current source outputs 10 to 28 VDC supply voltage All inputs and outputs are protected against reverse polarity and transients Dust sealing Product Description Ordering Key DWS-V-DBC05 Type DWS-V-DBC05 is a cup The DWS-V-DBC05 is Air velocity anemometer designed for equipped with a specially Digital output measuring air speed in a designed protection mecha- (Future subtypes) wide variety of applications, nism, which protects the Cable Version including wind turbines, bearings and the electronic *) Standard cable length in full metres buildings, cranes, weather parts against dirt and stations, green-houses, etc. humidity. *) can be specified by customer The product contains both The body of the sensor is PNP- and NPN open collec- made of black PVC, and the tor outputs, in which a fixed rotor is produced in stain- current is switched propor- less steel. tionally to the air speed at the rate of 10 pulses per m/s. Specifications General Specifications Rated operational voltage Dimensions U 12 to 24 VDC B Rotor diameter 145 mm U 10 to 28 VDC C Thread External thread: M28 x 2 with one nut Supply current Approx. 20 mA (all outputs off) Materials Body Black PVC Measuring range 1.5 to 30 m/s Rotor Stainless steel Accuracy 3 m/s: 0.5 m/s (AISI 303), black painted 3 m/s: 10% Bearings Instrument ball bearings, stainless steel Cable 5 m unshielded grey PVC, 2 Output Specifications 4 x 0.25 mm Rotor/housing tightening Dust labyrinth Signal output NPN Open Collector Environment constant current sink Square wave 12.5 mA 2mA Degree of protection IP54 PNP Open Collector Ambient humidity 0 to 100% RH constant current source Square wave 12.5 mA 2mA Climatic protection Against high humidity, salt and dust Output frequency 10 Hz per m/s Ambient temperature Output power 250 mW Operating temperature 0 to 60C (+32 to +140F) Load supply voltage Min. 10 VDC Storage temperature -20 to 60C (-4 to +140F) Max. 28 VDC EMC Voltage drop Typ. 4.9 VDC IEC 61000-4-2 Contact discharge 4 kV Air discharge 8 kV IEC 61000-4-3 Radiated radio-frequency 15 V/m Electromagnetic fields Specifications are subject to change without notice (15.12.05) 1DWS-V-DBC05 General Specifications (cont.) IEC 61000-4-4 IEC 61000-4-6 Fast transients/burst Conducted disturbances Power port, performance B 2 kV induced by radio-frequency Signal port, performance B 1 kV fields 12 V rms IEC 61000-4-5 Mounting position Vertical with M28 thread Surge 1.2/50 s Weight 0,65 kg incl. 5 m cable and Power port, Ri = 2 500 V packaging Signal port, Ri = 47 2000 V Dimensions Wiring Diagram 145 Brown (+) Current Generator Beige PNP O.C. Sensor Current Black Generator NPN O.C. M28 X 2 Blue (-) All dimensions in mm PV output versus wind speed Frequency Hz 300 250 Frequency Hz 200 150 100 50 0 0,00 5,00 10,00 15,00 20,00 25,00 30,00 Wind speed m/sec 2 Specifications are subject to change without notice (15.12.05) 137 183