PF3W is a digital flow sensor that constantly monitors water or coolant flow. PF3W refreshes the design and operating performance of the legacy PF2W model. This is the remote version of PF3W7, with a display. One or two analog outputs are available, depending on whether the optional temperature sensor is selected. Additional options include a mounting bracket, flow adjustment valve and
How To Order: Digital Flow Switch for Water Series PF3W 3-color display ® Port size Calibration certificate (Only flow sensor) Symbol Port size Rated flow range None With calibration certificate Nil A 21 $ $ 04 $ 20 $ $ 40 $ $ 11 $ $ 03 04 06 10 12 14 3/8 1/2 3/4 1/1 1 1/4 1 1/2 The certificate is written in both English and Flow adjustment valve Japanese.
Pin name 1 2 3 4 DC (+) OUT2 DC () OUT1 1 3 2 x Piping port Z U T S 4 x WX G 2 4 (35.5) 42 H For PF3W721 OUT IN AA G 4 x P K L 2 x Piping port G N DD PF3W504/520/540/511/521 Remote sensor unit Y A E J F 30 W B V 2 x Piping port Z S T U 4 x WX G H 42 (35.5) For PF3W521 IN OUT AA G 4 x P K L 2 x Piping port G N (mm) Bracket dimensions Model Port size A AA B D DD E F G H J K L N P (Rc, NPT,
Circuit (of class 2) which is of maximum 30 Vrms (42.4 V peak) or less, with UL 1310 class 2 power supply unit or UL 1585 class 2 transformer. The product is a UL approved product only if it has a mark on the body. Use the specified voltage. Otherwise failure or malfunction can result. Insufficient supply voltage may not drive a load due to a voltage drop inside the product.