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    CKD NS-QFS Flow Sensor for Nitrogen Gas Purification Unit (FP1)

    CKD NS-QFS Flow Sensor for Nitrogen Gas Purification Unit (FP1)

    CKD NS-QFS modular flow sensor that joins directly to the NS nitrogen gas purification unit to monitor the outlet nitrogen flow.

    Key features

    • Modular body connects to NS/NSU nitrogen gas purification units with the supplied joiner set
    • Five full-scale ranges from 20 to 500 L/min
    • Two-colour 4+4 digit LCD with flow integration, peak hold and settings copy
    • One NPN or PNP switch output plus 4-20 mA analogue output
    • Unit-switching version (2) available for use outside Japan

    Specifications

    Fluid Nitrogen gas
    Flow direction One-way
    Fluid temperature 5 to 50 C (no condensation)
    Proof pressure 1.5 MPa
    Accuracy Within +/-3% F.S.
    Repeatability Within +/-1% F.S.
    Analogue output 4-20 mA
    Power supply 24 VDC (21.6-26.4 V)
    Lead wire 5-core, 2.5 m
    Protection IP40 equivalent
    Mass 0.8 kg
    Source CKD Korea catalog CC-1271K-5, p. 334-339
    NS-QFS-AN1 Full scale: 20 L/min | Measuring range: 0.6-20 L/min | Pressure range: 0-1.0 MPa | Switch output: NPN open collector | Units: SI units only
    NS-QFS-AN2 Full scale: 20 L/min | Measuring range: 0.6-20 L/min | Pressure range: 0-1.0 MPa | Switch output: NPN open collector | Units: With unit switching
    NS-QFS-AP1 Full scale: 20 L/min | Measuring range: 0.6-20 L/min | Pressure range: 0-1.0 MPa | Switch output: PNP open collector | Units: SI units only
    NS-QFS-AP2 Full scale: 20 L/min | Measuring range: 0.6-20 L/min | Pressure range: 0-1.0 MPa | Switch output: PNP open collector | Units: With unit switching
    NS-QFS-BN1 Full scale: 50 L/min | Measuring range: 1.5-50 L/min | Pressure range: 0-1.0 MPa | Switch output: NPN open collector | Units: SI units only
    NS-QFS-BN2 Full scale: 50 L/min | Measuring range: 1.5-50 L/min | Pressure range: 0-1.0 MPa | Switch output: NPN open collector | Units: With unit switching
    NS-QFS-BP1 Full scale: 50 L/min | Measuring range: 1.5-50 L/min | Pressure range: 0-1.0 MPa | Switch output: PNP open collector | Units: SI units only
    NS-QFS-BP2 Full scale: 50 L/min | Measuring range: 1.5-50 L/min | Pressure range: 0-1.0 MPa | Switch output: PNP open collector | Units: With unit switching
    NS-QFS-CN1 Full scale: 100 L/min | Measuring range: 3-100 L/min | Pressure range: 0-1.0 MPa | Switch output: NPN open collector | Units: SI units only
    NS-QFS-CN2 Full scale: 100 L/min | Measuring range: 3-100 L/min | Pressure range: 0-1.0 MPa | Switch output: NPN open collector | Units: With unit switching
    NS-QFS-CP1 Full scale: 100 L/min | Measuring range: 3-100 L/min | Pressure range: 0-1.0 MPa | Switch output: PNP open collector | Units: SI units only
    NS-QFS-CP2 Full scale: 100 L/min | Measuring range: 3-100 L/min | Pressure range: 0-1.0 MPa | Switch output: PNP open collector | Units: With unit switching
    NS-QFS-DN1 Full scale: 200 L/min | Measuring range: 6-200 L/min | Pressure range: 0-1.0 MPa | Switch output: NPN open collector | Units: SI units only
    NS-QFS-DN2 Full scale: 200 L/min | Measuring range: 6-200 L/min | Pressure range: 0-1.0 MPa | Switch output: NPN open collector | Units: With unit switching
    NS-QFS-DP1 Full scale: 200 L/min | Measuring range: 6-200 L/min | Pressure range: 0-1.0 MPa | Switch output: PNP open collector | Units: SI units only
    NS-QFS-DP2 Full scale: 200 L/min | Measuring range: 6-200 L/min | Pressure range: 0-1.0 MPa | Switch output: PNP open collector | Units: With unit switching
    NS-QFS-EN1 Full scale: 500 L/min | Measuring range: 15-500 L/min | Pressure range: 0-0.75 MPa | Switch output: NPN open collector | Units: SI units only
    NS-QFS-EN2 Full scale: 500 L/min | Measuring range: 15-500 L/min | Pressure range: 0-0.75 MPa | Switch output: NPN open collector | Units: With unit switching
    NS-QFS-EP1 Full scale: 500 L/min | Measuring range: 15-500 L/min | Pressure range: 0-0.75 MPa | Switch output: PNP open collector | Units: SI units only
    NS-QFS-EP2 Full scale: 500 L/min | Measuring range: 15-500 L/min | Pressure range: 0-0.75 MPa | Switch output: PNP open collector | Units: With unit switching
    Flow SensorsCKD
    20 product codes available in this family
    Sourced direct from KoreaExport-ready supplyCompetitive pricing
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    CKD NS-QFS Flow Sensor for Nitrogen Gas Purification Unit (FP1)

    Brand CKD·Flow Sensors

    Available part numbers (20)

    NS-QFS-AN1, NS-QFS-AN2, NS-QFS-AP1, NS-QFS-AP2, NS-QFS-BN1, NS-QFS-BN2, NS-QFS-BP1, NS-QFS-BP2, NS-QFS-CN1, NS-QFS-CN2 + 10 more — see full table ↓

    How to order

    Send the CKD part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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    Product codes & specifications
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    RFQ List (0)
    Product codeSpec
    NS-QFS-AN1Full scale: 20 L/min | Measuring range: 0.6-20 L/min | Pressure range: 0-1.0 MPa | Switch output: NPN open collector | Units: SI units only
    NS-QFS-AN2Full scale: 20 L/min | Measuring range: 0.6-20 L/min | Pressure range: 0-1.0 MPa | Switch output: NPN open collector | Units: With unit switching
    NS-QFS-AP1Full scale: 20 L/min | Measuring range: 0.6-20 L/min | Pressure range: 0-1.0 MPa | Switch output: PNP open collector | Units: SI units only
    NS-QFS-AP2Full scale: 20 L/min | Measuring range: 0.6-20 L/min | Pressure range: 0-1.0 MPa | Switch output: PNP open collector | Units: With unit switching
    NS-QFS-BN1Full scale: 50 L/min | Measuring range: 1.5-50 L/min | Pressure range: 0-1.0 MPa | Switch output: NPN open collector | Units: SI units only
    NS-QFS-BN2Full scale: 50 L/min | Measuring range: 1.5-50 L/min | Pressure range: 0-1.0 MPa | Switch output: NPN open collector | Units: With unit switching
    NS-QFS-BP1Full scale: 50 L/min | Measuring range: 1.5-50 L/min | Pressure range: 0-1.0 MPa | Switch output: PNP open collector | Units: SI units only
    NS-QFS-BP2Full scale: 50 L/min | Measuring range: 1.5-50 L/min | Pressure range: 0-1.0 MPa | Switch output: PNP open collector | Units: With unit switching
    NS-QFS-CN1Full scale: 100 L/min | Measuring range: 3-100 L/min | Pressure range: 0-1.0 MPa | Switch output: NPN open collector | Units: SI units only
    NS-QFS-CN2Full scale: 100 L/min | Measuring range: 3-100 L/min | Pressure range: 0-1.0 MPa | Switch output: NPN open collector | Units: With unit switching
    NS-QFS-CP1Full scale: 100 L/min | Measuring range: 3-100 L/min | Pressure range: 0-1.0 MPa | Switch output: PNP open collector | Units: SI units only
    NS-QFS-CP2Full scale: 100 L/min | Measuring range: 3-100 L/min | Pressure range: 0-1.0 MPa | Switch output: PNP open collector | Units: With unit switching
    NS-QFS-DN1Full scale: 200 L/min | Measuring range: 6-200 L/min | Pressure range: 0-1.0 MPa | Switch output: NPN open collector | Units: SI units only
    NS-QFS-DN2Full scale: 200 L/min | Measuring range: 6-200 L/min | Pressure range: 0-1.0 MPa | Switch output: NPN open collector | Units: With unit switching
    NS-QFS-DP1Full scale: 200 L/min | Measuring range: 6-200 L/min | Pressure range: 0-1.0 MPa | Switch output: PNP open collector | Units: SI units only
    NS-QFS-DP2Full scale: 200 L/min | Measuring range: 6-200 L/min | Pressure range: 0-1.0 MPa | Switch output: PNP open collector | Units: With unit switching
    NS-QFS-EN1Full scale: 500 L/min | Measuring range: 15-500 L/min | Pressure range: 0-0.75 MPa | Switch output: NPN open collector | Units: SI units only
    NS-QFS-EN2Full scale: 500 L/min | Measuring range: 15-500 L/min | Pressure range: 0-0.75 MPa | Switch output: NPN open collector | Units: With unit switching
    NS-QFS-EP1Full scale: 500 L/min | Measuring range: 15-500 L/min | Pressure range: 0-0.75 MPa | Switch output: PNP open collector | Units: SI units only
    NS-QFS-EP2Full scale: 500 L/min | Measuring range: 15-500 L/min | Pressure range: 0-0.75 MPa | Switch output: PNP open collector | Units: With unit switching

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