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Sierra Instruments is experiencing longer than normal lead times due to supply chain issues. Please note that your online configure and stock order lead times will be extended. Should you have any questions, please contact Customer Support at 831-373-0200.

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Economical Analog Mass Flow Meter

  • Proven gas flow measurement with affordable OEM pricing
  • For fast delivery, buy online, next-day shipment
  • Save money with volume discounts
  • Read results easily with large tiltable display
  • Easy drop-in replacement with compact size
  • Available in economical nylon, stainless steel and aluminum

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  • TopTrak<sup>®</sup> 820 Mass Flow Meter

    Mass Flow Meter (200 sccm of Air, H2, N2, O2, CO)

    TopTrak® 820

    Mass Flow Meter

    Model Number: 822-2-OV1-PV1-V1-F2

    Available to ship:
    In stock (1)
    FREE FedEx Ground Shipping

    Starting at: $867.00

    Power Supplies
    Factory Extended Warranty
    Accessories: Manual
    View All Specs
    Qty:

    $867.00

    Final Pricing Information

  • TopTrak<sup>®</sup> 820 Mass Flow Meter

    Mass Flow Meter (5 slpm of Air, H2, N2, O2, CO)

    TopTrak® 820

    Mass Flow Meter

    Model Number: 822-2-OV1-PV1-V1-F4

    Available to ship:
    In stock (1)
    FREE FedEx Ground Shipping

    Starting at: $867.00

    Power Supplies
    Factory Extended Warranty
    Accessories: Manual
    View All Specs
    Qty:

    $867.00

    Final Pricing Information

  • TopTrak<sup>®</sup> 820 Mass Flow Meter

    Mass Flow Meter (20 slpm of Air, H2, N2, O2, CO)

    TopTrak® 820

    Mass Flow Meter

    Model Number: 822-2-OV1-PV1-V1-F6

    Available to ship:
    In stock (6)
    FREE FedEx Ground Shipping

    Starting at: $867.00

    Power Supplies
    Factory Extended Warranty
    Accessories: Manual
    View All Specs
    Qty:

    $867.00

    Final Pricing Information

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