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Waterproof Pressure Meter 0 to ± 140mbar ( C9551 )


Part No: C9551/SIL

The Comark C9551 Dry Use Pressure Meter 0 to ± 140mbar combines high accuracy with speed of response and is designed to function between 0 to ±140mbar, with twin inputs for gauge or differential pressure measurement.


  • Pressure Measurement Range – 0 to ±140 mBar
  • Twin Inputs for Gauge or Differential Pressure
  • Connections: 1/8″ BSP female
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    Waterproof Pressure Meter 0 to ± 140mbar

    The C9551/SIL Waterproof Pressure Meter 0 to ± 140mbar combines high accuracy with speed of response and is designed to function between 0 to ±140mbar, with twin inputs for gauge or differential pressure measurement. With a durable design to survive an industrial setting, it is dust and waterproof to IP67 Standard (BS EN 60529), and an optional protective rubber boot is also available.

    Supplied with free tubing and connectors.

    • Connector 1/8″ BSP Female
    • Measurement Range 0 to ± 140mbar
    • Environmental Protection IP67, BS:EN60529, IEC529
    • Selectable pressure units: PSI, mbar, inH2O, mmHg, torr, Pa, mmH2O
    • Silicone protection option for liquid pressure measurement
    • Adjustable zero value
    • Maximum, minimum pressure and hold function
    • Averaged reading function
    • Over-range indication – maximum over/under pressure 6PSI/400mbar
    • Selectable auto switch off

    Supplied with…

    Tubing_And_Connectors_500_72dpi

    Pressure Tubing and Connectors designed for use with C95xx Pressure Meters. Contains 4 x 1/8″ BSP Nylon Washers, 1.4m Polyurathane Tube SP Blue, 2 x Male Stud Coupling c/w Washer.

    Technical Specifications

    Name Value
    Pressure Measurement Range 0 to ±140 mBar (See manual for other ranges)
    Resolution 0.1mBar
    Accuracy ±0.2% of full scale (FS) at +23°C
    Repeatability ±0.1% of full scale (FS) at +23°C
    Mean Temperature Coefficient of Reading <0.1% per °C
    Operating Range 0 to 50°C, 10 to 90% RH non-condensing
    Environmental Protection IP67, BS:EN60529, IEC529
    Battery *9V PP3 6F22 — MN1604 UCAR9V
    125 hours (using MN1604)
    *Non-IS Models Only. IS models must only use Zinc Chloride Battery
    Low Battery Warning Displays BAT just before end point of battery
    Over Pressure Indication – – – –
    Over 9999 Reading Indication Lowest 4 digits blink
    Connections 1/8" BSP female
    Weight 330gm including battery