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. The body is up to 40% smaller in volume, and requires shorter straight piping for improved installation flexibility. The upgraded 2-screen, 3-color numerical display rotates in both CW and CCW directions, offering improved visibility
How To Order: Digital Flow Switch for Water Series PF3W 3-color display ® Qty. 1 1 1 1 With 4 tapping screws (3 x 8) With 4 tapping screws (3 x 8) With 4 tapping screws (4 x 10) Lead wire length (3 m) For PF3W704/720/504/520 For PF3W740/540 For PF3W711/511 Bracket Note) Lead wire with M8 connector Note) For units with flow adjustment valve, 2 brackets are required. 1
4/16/40 100 250 C C D A B Voltage output 1.5 V 6 mA 1.4 V 1.8 V 1 V 5 V 0.6 V 1 V Voltage output Current output 5.6 mA 7.2 mA 4 mA 20 mA 2.4 mA 4 mA Current output Minimum Model Rated flow [L/min] C D Maximum B PF3W B 5 V 5.4 V Voltage output PF3W704/504 PF3W720/520 PF3W740/540 PF3W711/511 PF3W721/521 0.5 2 5 10 50 4 A 20 mA 21.6 mA Current output A 16 40 0 Flow rate Minimum Maximum rated
1 V 1.8 V 5 V Current output 4 mA 7.2 mA 20 mA (PF3W721-U30) A B C Voltage output 1 V 1.48 V 5 V Current output 4 mA 5.92 mA 20 mA Rated flow [L/min] Sensor model Minimum Maximum PF3W704 0.5 4 PF3W720 2 16 PF3W740 5 40 PF3W711 10 100 PF3W721-12/14 50 250 PF3W721-U30 30 250 Analogue output (Fluid temperature) A B C D Voltage output 0.6 V 1 V 5 V 5.4 V Current output 2.4 mA 4 mA 20 mA 21.6
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