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Digital Flow Switch Model:DFS3
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.
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Digital Flow Switch Model:DFS3
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.
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关键规格一览
电缆类型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)
符合规格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.)
结构Rotor rotation type
流速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.
传感方法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)
阀体材料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)
端口尺寸Low flow rate,Medium flow rate:Rc3/8 Large flow rate:Rc3/4
与流体类型共同使用Water
额定压力0～1.0MPa
可承受压力1.5MPa
工作温度Ambient temperature:0 to +50℃(No condensing), Fluid temperature:0 to +70℃(No freezing) °C
流速精度Low flow rate:±20%fs Medium flow rate,Large flow rate:±5%fs
滞后Low flow rate,Medium flow rate:5% or less Large flow rate:7% or less
响应时间Alarm output response time:Approx. 500ms
安装位Free
流动方向Both directions
输出数量1c contact Relay output×1 point or open collector output×2 points(1 point for each of OUT-HIGH and OUT-LOW)
电源电压24V DC or 100V AC
输入电压24V DC 100V AC, 24V DC:±10%(Absolute maximum rating 30V DC) 100V AC:±10%
功耗24V DC:700mW or less 100V AC:3VA or less
信号输出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.)
最大开关电压Frequency output･50V DCOpen collector output･50V DCRelay output･125V DC/300V AC
电流Frequency output･4mA or less(Output residual voltage 0.5V or less)Open collector output･10mA(Output residual voltage 0.8V or less) A
包括附件Digital Flow Meter(DFM2-1000)
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Digital Flow Switch Model:DFS3