1" Digital Flow Switch for Water

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$446.39

Compact digital water flow switch for sale at low price, 1 inch port size, with digital display for real time monitoring, ±2% accuracy, fluid temperature 0~90℃. This water flow switch comes with water sensor, which is designed for flow sensing to transmit data to the mainboard.

Signal Output *

SKU: ATO-FLOW-W1

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Delivery date: 6-12 days

Overview

Low price water flow switch with digital display can monitor data in real time. It is designed with water sensor to transmit data to the mainboard.

Specification

Model		ATO-NPF3W71110
Port Size Rc (PT)		1 inch
Applicable Fluid		Water, Ethylene glycol aqueous solution (with viscosity of 3 MPa·s [3 cP] or less)
Detection Method		Karman vortex
Rated Flow Range		10~100L/min
Display Flow Range		7~140L/min
Set Flow Range		7~140L/min
Smallest Settable Increment		1L/min
Conversion of Accumulated Pulse		1L/pulse
Fluid Temperature		0 to 90°C (No freezing or condensation)
Display Unit		Instantaneous flow: L/min, Accumulated Flow: L
Accuracy		Display value: ±3% F.S. Analog output: ±3% F.S.
Repeatability		±2% F.S
Temperature Characteristics		±5% F.S. (25°C standard)
Operating Pressure Range		0~1MPa
Proof Pressure		45kPa or less at the maximum flow
Accumulated Flow Range		99999999.9L
		By 1L
Switch Output	/	NPN or PNP
	Max. Load Current	80mA
	Max. Applied Voltage	DC28V
	Internal Voltage Drop	NPN: 1 V or less (at load current of 80 mA) PNP: 1.5 V or less (at load current of 80 mA)
	Response Time	0.5s/ 1s/ 2s
	Output Protection	Short-circuit protection
Analog Output	Voltage Output	Voltage output: 1 to 5 V Output impedance: 1 kΩ
	Current Output	Output current: 4 to 20 mA Max. load impedance: 300 Ω for 12 VDC, 600 Ω for 24 VDC
	Response Time	0.5s/ 1s/ 2s (linked with the switch output)
Hysteresis		Variable
External Input		Voltage free input: 0.4 V or less (Reed or Solid state), input for 30ms or longer
Display Method		2-screen display (Main screen: 4-digit, 7-segment, 2-color, Red/Green Sub screen: 6-digit, 11-segment, White) Display values updated 5 times per second
Indicator Light		Output 1, Output 2: Orange
Power Supply Voltage		DC12~24V±10%
Current Consumption		Below 50mA
Environment	Enclosure	IP65
	Operating Temperature Range	0 to 50°C (No freezing or condensation)
	Operating Humidity Range	Operation, storage: 35 to 85% R.H. (No condensation)
	Withstand Voltage	1000 VAC for 1 minute between terminals and housing
	Insulation Resistance	50 MΩ or more (500 VDC measured via megohmmeter) between terminals and housing
Standards and Regulations		CE, UL(CSA), RoHS
Wetted Parts Material		PPS. SUS304. FKM. SCS13, Non-grease
Weight		1kg

Flow Rate Diagram

Voltage Output: A: 1V, B: 1.4V, C: 5V
Current Output: A: 4mA, B: 5.6mA, C: 20mA

Flow rate diagram of digital flow switch for water

Pin Number & Wire Color

Wire color of digital flow switch for water

Pin Number	Content	Wire Color
1	DC (+)	Brown
2	OUT2	White
3	DC (-)	Blue
4	OUT1	Black

Body Dimensions (Unit: mm)

Dimensions of digital water flow switch

Basic Dimensions
A	AA	B	D	E	F	G	H	J	K	L	N	P
124	92	46	77	57.6	23	41	42	63	48	28	18	φ3.5 deep 14

Bracket Dimensions
S	T	U	V	W	WX	Y	Z
44	36	48	58	70	5.5	7	2

M8 Lead Wire Dimensions (Unit: mm)

Dimensions of digital flow switch lead wire

Details

Tips: Working principle of digital water flow switch

When there is water flowing in the water flow switch, the it magnetic core is pushed by the water flow to generate displacement, and the magnetic core displacement drives the magnetic source to produce a magnetic control effect, so that the water flow switch outputs a "on" signal.

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