Catalog excerpts
Karman Vortex Flow Sensor FLUEREX WFK2 Series Added manual needle valve Compatible with fluorine liquids
Open the catalog to page 1DIVERSIFIED Diversified Karman Vortex Flow Sensor FLUEREX WFK2 SERIES Received the 2018 Good Design Award Model variations Port size Flow rate range (L/min) 0 Manual valve integrated Cock
Open the catalog to page 2Supports fluorine liquids Supports fluorine liquids with excellent electrical insulation. Ideal for controlling coolant in semiconductor manufacturing equipment. Fluids with low global warming potential are also supported. Compatible with flow rates of 0.4 to 250 L/min Easy flow rate adjustment (Option) Compatible with a wide range of flow rates. Needle: Fine adjustment is possible with the manual valve. Cock: Valve can be easily opened and closed. All models equipped as standard with fluid temperature measuring function Saves space and wiring time with no need for a separately installed...
Open the catalog to page 3Easy to read 2-screen color liquid crystal display The temperature, accumulated flow, set value, etc., can be displayed simultaneously. The display color can be selected from white, green, and red. Upper: Instantaneous flow rate Lower: fluid temperature Upper: Instantaneous flow rate (green) Lower: Fluid temperature (red) Upper: Accumulated flow Lower: Instantaneous flow rate Upper: Instantaneous flow rate Lower: OUT1 output set value Display screen rotation The liquid cr ystal display can be rotated 90° at a time without moving the body. There is no interference even when installing in...
Open the catalog to page 4Examples of applications Semiconductor Semicon manufacturing equipment Hardening Induction hardening device Cooling and temperature c ontrol of semiconductor manufacturing equipment. Etching, grinder, dicer, CVD. Quantitative management of coolant. Controls solenoid valve Controls solenoid valve Detects abnormal flow rates Flow rate measurement data Detects abnormalities Controls peripheral components PLC I/O unit Input Output terminal terminal Detects abnormal flow rates PLC I/O unit Input Output terminal terminal Water temperature measurement data Recorder Monitor (flow rate display) Spot...
Open the catalog to page 5FLUEREX (Karman Vortex Flow Sensor) WFK2 Series Small body Flow rate range: 0.4 to 5/1.6 to 20/4 to 50L/min Port material Stainless steel Working conditions Flow rate range Max. applied voltage Internal voltage drop Unrestricted in vertical/horizontal direction None Straight piping section Flow rate [L/min] Flow rate [L/min] Flow rate [L/min]
Open the catalog to page 6Flow rate range Flow rate range 005 020 050 Port size Port size IO-Link/ Analog output Sensor only Option (bracket included) Option (cable included) Manual valve L/min L m3 °C L/min, US gal/min Option (other) Usable range
Open the catalog to page 7FLUEREX (Karman Vortex Flow Sensor) WFK2 Series Large body Flow rate range: 8 to 100/20 to 250L/min Working conditions Port material Stainless steel Flow rate range Max. applied voltage Internal voltage drop Unrestricted in vertical/horizontal direction Straight piping section
Open the catalog to page 8WFK2 Series How to order How to order Flow rate range Flow rate range 100 250 Port size Port size IO-Link analog output Sensor only None Option (bracket included) Option (cable included) Option (other)
Open the catalog to page 9Cannot be disassembled Part No. Part name 1 Qty. Part No. Part name Karman's vortex street detection sensor Sensor body Sensor board Bracket (option) Piezoelectric element Cannot be disassembled Part No. Part name 1 Cannot be disassembled Part No. Part name Cock body External case
Open the catalog to page 10Bracket (option) Bracket (option) Opposite side D Model No. Cable option Bracket option Standard cable
Open the catalog to page 11WFK2 Series Wiring method * Keep the cable far away from power cords or other things that may cause noise. Noise can cause malfunctions. Connector pin No. [Connector (male)] Allowable load weight IO-Link/Analog output Power light (green) Transmission bit rate Port Lights when the power is Error WARNING Flow rate range
Open the catalog to page 12WFK2 Series Names and functions of display/operation section Main screen Mode display at the same time, and then releasing them. Output mode and output operation Can memorize 2 types each [Normally open] [Normally closed] Mode selection 2 seconds several seconds Response Time NPN/PNP Unit Select Swich_ Switch_ Mode Select Lower Limit Upper Limit Hysteresis Can memorize 2 types each [Normally open] [Normally closed] Mode selection several seconds Response Time NPN/PNP Unit Switch_ Mode Select Lower Limit Upper Limit Hysteresis Select Swich_ Threshold (Lo 1) setting Threshold (Hi 1) setting...
Open the catalog to page 13WFK2 Series (4) NPN/PNP conversion NPN and PNP can be converted. 2 seconds several seconds NPN/PNP selection Select NPN/PNP Response Time NPN/PNP Unit Press [Normally open] [Normally closed] Response Time NPN/PNP Unit Switch_Integrated Setting. Press Exit Integrated. Press 2 seconds several seconds Response Time NPN/PNP Unit Select Analog_Flow or Analog_Temp Range conversion 2 seconds several seconds Response Time NPN/PNP Unit Select Analog_Flow or Analog_Temp Lower Limit Upper Limit Exit Upper/Lower limit Press
Open the catalog to page 14Flow rate 5 L/min Flow rate Span 2 seconds several seconds Response Time NPN/PNP Unit Color Peak Hold_Q Peak Hold_T Change the page with Select Span Times Exit 5. Setting response time (1) Timer selection Flow rate Response Time Timer 2 seconds several seconds Response Time NPN/PNP Unit Timer selection Sec Select Response Time Sec Exit Press 2 seconds several seconds Response Time NPN/PNP Unit Change the page with Color Peak Hold_Q Peak Hold_T Select Peak _Hold_ Peak Hold_Q Max L/min Min L/min Reset Exit Peak hold Reset Energy Saving 2 seconds several seconds Response Time NPN/PNP Unit...
Open the catalog to page 152 seconds several seconds Response Time NPN/PNP Unit Change the page with 2 seconds several seconds Response Time NPN/PNP Unit Change the page with Brightness Rotation Update Time Exit Color Peak Hold_Q Peak Hold_T character color changes. character color changes. 2 seconds several seconds Response Time NPN/PNP Unit Change the page with Color Flow Rate Integrated Flow Color Peak Hold_Q Peak Hold_T Select Color Exit Color Flow Rate Main Color Changed Color Lower Limit Upper Limit Upper/Lower limit setting Select Main Color Flow Rate Main Color White Green Red Exit Color Flow Rate Main Color...
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