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3/4" Digital Flow Switch for Water

$395.59
Favorable price digital water flow switch for sale, 3/4 inch thread port size, with digital display for real time monitoring, ±2% accuracy, measuring water and ethylene glycol aqueous solution, fluid temperature 0~90℃. This water flow switch comes with water sensor, which is designed for flow sensing to transmit data to the mainboard, Selectable signal output PNP or NPN.
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SKU: ATO-FLOW-W34
30-day Returns
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Delivery date: 6-12 days

Lightweight water flow switch with digital display can monitor data in real time. It is designed with water sensor, PNP or NPN signal output for transmitting data to the mainboard.

Specification

Model ATO-NPF3W74006
Port Size Rc (PT) 3/4 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 5~40L/min
Display Flow Range 3.5~55.0L/min
Set Flow Range 3.5~55.0L/min
Smallest Settable Increment 0.1L/min
Conversion of Accumulated Pulse 0.05L/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: 1.5V, C: 5V
Current Output: A: 4mA, B: 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
98 71 38 68 48.6 19.2 32 28 49 35 28 16.8 φ2.7 deep 12
Bracket Dimensions
S T U V W WX Y Z
34 30 42 48 58 4.5 5 1.5


M8 Lead Wire Dimensions (Unit: mm)

Dimensions of digital flow switch lead wire

Details

Digital Flow Switch for Water Details

Tips: What are the functions of water flow switches?

  • Detect whether the liquid in the pipeline flows and whether the flow meets the requirements, and at the same time, the on-off state of a signal is provided by the switch electrical contact.
  • The equipment system judges the working status of the pipeline system by detecting whether there is a signal or control current passing through this switch, and gives the corresponding control or operation mode or measures.
  • It is used to detect the flow of liquid in the water circulation pipe network system of the central air conditioner, the automatic sprinkler fire extinguishing system of the fire protection system, and a certain type of liquid circulation cooling system pipeline.
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