Digital Flow Switch Model:DFS3 | South Africa

Digital Flow Switch Model:DFS3 | Product Series

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Body Material

Sensing Method

Flow Rate

Input Voltage

Output Option

Accessories Included

Wiring

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Digital Flow Switch Model:DFS3

Digital Flow Switch Model:DFS3

Where to Buy

Digital Flow Switch DFS3 series that is resistant to water stains and dust due to the rotor rotation method. When the flow rate deviates from the set flow rate range, a signal is transmitted.

Technical Specifications

  • Cable Type: Cable: 24V DC:VCTF 8-core 0.3mm2 1m 100V AC:Power supply VCTF 3-core 0.5mm2 1m,Signal VCTF 5-core 0.5mm2 1mCable Length: 1m(Standard) 3m(L)(Semi-standard)
  • Specifications Met: Rated load: Relay output:30V DC 5A/250V AC 5A(At resistive load)Maximum allowable power: Relay output:150W(DC)/1250VA(AC) (At resistive load)Maximum allowable current: Relay output:5AMinimum Load Requirment: Relay output:5V DC 10mAInsulation resistance: Relay output:1000MΩ or more on 500V DC insulation resistance testerDielectric strength between contacts: Relay output:1000V AC/1min.Electrical Durability: Relay output:100,000 times or more(At rated load,Switching frequency of 30 times/min.)
  • Structure: Rotor rotation type
  • Flow Rate: Low flow rate(0.2 to 2.5ℓ/min) Medium flow rate(Flow rate range A 0.2 to 2.5ℓ/min,Flow rate range B 2.5 to 25ℓ/min) Large flow rate(12 to 120ℓ/min) To cases of measurement of flow rate of tap water (20℃).Varies depending on the viscosity of the fluid to be measured.
  • Sensing Method: Low flow rate･Magnetic proximity type(DFS3-1002) Iron proximity type(DFS3-5002)Medium flow rate･Magnetic proximity type(DFS3-1000,DFS3-1200,DFS3-1500) Iron proximity type(DFS3-5000)Large flow rate･Magnetic proximity type(DFS3-2000,DFS3-2500)
  • Body Material: Polyacetal(Glass-filled)(DFS3-1000,DFS3-1002) Bronze casting(BC6(Nickel-plated))(DFS3-1200,DFS3-2000) Stainless steel(SCS14)(DFS3-1500,DFS3-2500) Polyacetal(Glass-filled)(DFS3-5000,DFS3-5002)
  • Port Size: Low flow rate,Medium flow rate:Rc3/8 Large flow rate:Rc3/4
  • For Fluid Type: Water
  • Pressure Rating: 0～1.0MPa
  • Proof Pressure: 1.5MPa
  • Operating Temperature: Ambient temperature:0 to +50℃(No condensing), Fluid temperature:0 to +70℃(No freezing) °C
  • Flow Rate Accuracy: Low flow rate:±20%fs Medium flow rate,Large flow rate:±5%fs
  • Hysteresis: Low flow rate,Medium flow rate:5% or less Large flow rate:7% or less
  • Response Time: Alarm output response time:Approx. 500ms
  • Mounting Position: Free
  • Flow Direction: Both directions
  • Number of Outputs: 1c contact Relay output×1 point or open collector output×2 points(1 point for each of OUT-HIGH and OUT-LOW)
  • Power Supply Voltage: 24V DC or 100V AC
  • Input Voltage: 24V DC 100V AC, 24V DC:±10%(Absolute maximum rating 30V DC) 100V AC:±10%
  • Power Consumption: 24V DC:700mW or less 100V AC:3VA or less
  • Signal Output: Frequency output･Photocoupler outputOpen collector output･Photocoupler×2(OUT-HIGH,OUT-LOW) OUT-HIGH:ON when flow rate is more than setting OUT-LOW:ON when flow rate is less than settingRelay output･1c×1(Relay is driven when flow rate becomes lower than setting.)
  • Maximum Switching Voltage: Frequency output･50V DCOpen collector output･50V DCRelay output･125V DC/300V AC
  • Current: Frequency output･4mA or less(Output residual voltage 0.5V or less)Open collector output･10mA(Output residual voltage 0.8V or less) A
  • Accessories Included: Digital Flow Meter(DFM2-1000)
Safety Warning

Full Product Description

The DFS3 series are rotor rotary digital flow switches. The rotation of the rotor is detected by the sensor and converted into a pulse signal. Changes in flow rate are indicated by alarm output and LED display. There are 3 body specifications: resin, metal, and stainless steel. The capacity range can be set from a small flow rate to a large flow rate (0.2 to 120 L/min).

 Markets:
・General Industry
・Factory Automaton
・Automotive
・Food & Beverage
・Life Science
・Energy

Applications:
・General Industry
・Factory Automation
・Cooling Process
・Food Processing
・Power Plants

Features/Benefits:
・There are 3 body specifications: resin, metal, and stainless steel.
・There are 2 types of detection methods: magnetic and iron piece proximity.
・Visually check the flow status from the transparent window. Excludes some models.
・Due to the rotor rotation method, the mounting direction is free.
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