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    Flow Controllers & Meters

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    BASIS™ BC–Series: OEM Gas Mass Flow Controllers

    BASIS™ BC–Series OEM Mass Flow Controllers deliver fast and accurate gas flow control in a compact, economical package for high-quantity orders.
    • Fast, accurate control. Equipped with high-accuracy MEMS sensor and provides readings with NIST-traceable accuracy of ±(1.5% of reading + 0.5% of full scale) and repeatability of ±0.5% of reading.
    • Responsive. Industry-leading control speed and adjustable PID valve tuning ensure your product operation is not interrupted by pressure spikes.
    • Compatible. A small footprint, calibration for multiple gases, and dual analog-digital communications for greater design flexibility.

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    Accessories included with purchase

    Device specs and customization options

    Quick Specs
    BASIS™ BC-Series performance (most products)
    • Available full scale ranges: 100 SCCM to 50 SLPM
    • Steady state control range: 0.5% – 100% of full scale
    • Calibration accuracy, NIST-traceable: ±(1.5% of reading + 0.5% of full scale)
    • Repeatability: ±0.5% of reading
    • Typical control response time constant: 100 ms
    • Warm-up time: 70 ms
    BASIS™ BC-Series operating conditions
    • Compatible gases: Air, Ar, CO2, N2, O2, N2O (selectable over serial connection); He or H2 calibration (for use with one gas only)
    • Operating temperature: 0°C to +50°C
    • Max operating pressure: 160 PSIA (75 PSIA for 0–20 SLPM ranges)
    • Proof pressure: 190 PSIA
    • STP reference conditions: 25°C & 1 atm
    Device Ranges & Full Specs

    Devices are custom ranged from 100 SCCM full scale to 50 SLPM full scale. Most devices have a controllable range of 0.5% to 100% of full scale (range dependent).

    For a comprehensive device guide, read the BASIS™ controller operating manual.

    Device Customization Options
    Build and performance options
    • Communication protocols: Analog 0–5 Vdc, RS–232, RS–485, Modbus–RTU
    • Process connections: NPT, SAE
    Visit the device customization page
    Optional Accessories
    Accessories | Sold separately
    • Process port fittings and filters
    • Communications/power cables
    Visit the accessories page

    Not exactly what you’re looking for?

    • Check out our other pressure or flow control and measurement solutions.
    • Our expert team of applications engineers is available to provide additional information, discuss your application, or answer any questions you may have.

    Contact an applications engineer

    OEM Mass Flow Controllers
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    BrochureManualBC-Series device specs
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