WFK3000S is a compact Karman vortex flow sensor for equipment integration that outputs the flow of pure water and industrial water as an analog signal. Four flow rate ranges are available: 0.5 to 4.0, 1.5 to 12, 4.0 to 32 and 8.0 to 60 L/min.


| Applicable Fluids | Pure water, industrial water |
| Flow Rate Range | WFK3004S: 0.5 to 4.0, WFK3012S: 1.5 to 12, WFK3032S: 4.0 to 32, WFK3060S: 8.0 to 60 L/min |
| Port Size (Rc) | WFK3004S, 3012S and 3032S: -10 = 3/8, -15 = 1/2; WFK3060S: -20 = 3/4, -25 = 1 (inquire separately for G and NPT threads) |
| Port Material | Stainless steel (SCS13) |
| Max. Working Pressure | 1.0 MPa |
| Proof Pressure | 1.5 MPa |
| Ambient Temperature | 0 to 50 °C (85% RH or less) |
| Fluid Temperature | 1 to 70 °C |
| Accuracy | ±2.5% F.S. |
| Temperature Characteristics | ±5% F.S. (10 to 50 °C, base temperature 20 °C) |
| Pressure Loss | WFK3004S: 0.06 MPa or less (at 4.0 L/min); WFK3012S: 0.05 MPa or less (at 12 L/min); WFK3032S: 0.06 MPa or less (at 32 L/min); WFK3060S: 0.05 MPa or less (at 60 L/min) |
| Response Time | 1 sec |
| Display | None |
| Analog Output | Standard: 0 to 5 VDC / option: 4 to 20 mADC, 1 to 5 V, 0 to 10 V (order codes A0 0 to 5 VDC, A1 4 to 20 mADC, A2 1 to 5 VDC, A3 0 to 10 VDC) |
| Power Supply Voltage | 12 to 24 VDC ±10% (max. 80 mA); option A3 is 15 to 24 VDC |
| Cable | 3 m, 4-conductor, finished O.D. 4.8 mm, conductor 0.2 mm², insulation O.D. 1.3 mm |
| Mounting Orientation | Unrestricted in vertical/horizontal direction |
| Straight Piping Section | WFK3004S, 3012S and 3032S: without (IN side 10 D, OUT side 5 D recommended); WFK3060S: IN side 10 D, OUT side 5 D (D is port size) |
| Degree of Protection | IP65 or equivalent |
| Weight | WFK3004S, 3012S and 3032S: -10 380 g, -15 410 g; WFK3060S: -20 470 g, -25 510 g; bracket 28 g (including screws) |
| Wetted Part Materials | Attachment: stainless steel casting (SCS13); body: PPS resin; O-rings: NBR, FKM; Karman vortex detection sensor: PPS resin (interior: piezo ceramic) |