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Comparators & Hand Pumps

Field calibration of pressure instruments often requires a portable source of stable pressure. We have hand operated pneumatic pumps capable of pressures up to 4500 kPa / 650 PSI, with hydraulic options up to 1,000 Bar / 15,000 PSI. We also supply a wide range of regulators, valves, controllers and manifolds to allow precise pressure control of compressed air or nitrogen in your workshop or laboratory.

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  1. Ralston DV0V Pneumatic Vacuum Hand Pump (-25" Hg)

    Ralston DV0V Pneumatic Vacuum Hand Pump (-25" Hg)

    Pneumatic Vacuum Hand Pump (-25" Hg / -635mm Hg)

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  2. Imageworks Combo Pump 300 Pneumatic Vacuum / Pressure Hand Pump (20 Bar)

    Imageworks Combo Pump 300 Pneumatic Vacuum / Pressure Hand Pump (20 Bar)

    Pneumatic Vacuum & Medium Pressure Hand Pump (-25" Hg to 20 Bar / 300 PSI)

    $685.00 ex GST
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  3. Transcat LTP1 Pneumatic Vacuum / Pressure Hand Pump (2 Bar)

    Transcat LTP1 Pneumatic Vacuum / Pressure Hand Pump (2 Bar)

    Pneumatic Vacuum & Low Pressure Hand Pump (-25" Hg to 2 Bar / 30 PSI)

    $1,310.00 ex GST
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  4. Ametek T-975 Pneumatic Vacuum / Pressure Hand Pump (40 Bar)

    Ametek T-975 Pneumatic Vacuum / Pressure Hand Pump (40 Bar)

    Pneumatic Vacuum & Medium Pressure Hand Pump (-28.5" Hg to 40 Bar / 600 PSI)

    $1,006.00 ex GST
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  5. Imageworks Combo Pump 500 Pneumatic Vacuum / Pressure Hand Pump (35 Bar)

    Imageworks Combo Pump 500 Pneumatic Vacuum / Pressure Hand Pump (35 Bar)

    Pneumatic Vacuum & Medium Pressure Hand Pump (-25" Hg to 35 Bar / 500 PSI)

    $745.00 ex GST
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  6. Crystal GaugeCalHP Hydraulic Vacuum / Pressure Gauge Comparator (1000 Bar)

    Crystal GaugeCalHP Hydraulic Vacuum / Pressure Gauge Comparator (1000 Bar)

    • -25" Hg to 1000 Bar / 15000 PSI Hydraulic Range
    • -25" Hg to 995 mbar / 14.4 PSI Pneumatic Range
    • Portable, Easy to Use & Faster Than a Deadweight Tester
    • Pivoting Manifold with Crystal CPF (7/16"-20 MP) Male Swivel Fittings
    • 1/4" NPT Female Gauge Adapter

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  7. Ralston Nitropak Portable Nitrogen Pressure Calibration Source (210 Bar)

    Ralston Nitropak Portable Nitrogen Pressure Calibration Source (210 Bar)

    • 210 Bar / 3000 PSI Range
    • Integrated Refillable Gas Cylinder
    • Ralston Quick-Test Male Pressure & Fill Port Connections
    • Optional NPT or BSPP Gauge Adapters & Process Connections
    • Optional 1m & 2m Low Volume Quick-Test Hoses

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  8. Ralston DPPV Pneumatic Vacuum / Pressure Hand Pump (9 Bar)

    Ralston DPPV Pneumatic Vacuum / Pressure Hand Pump (9 Bar)

    Pneumatic Vacuum & Low Pressure Hand Pump (-23" Hg to 9 Bar / 125 PSI)

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  9. Ametek T-811 Pneumatic Vacuum Hand Pump (-25" Hg)

    Ametek T-811 Pneumatic Vacuum Hand Pump (-25" Hg)

    Pneumatic Vacuum Hand Pump (-25" Hg / -635mm Hg)

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9 Item(s)

per page

Set Descending Direction