Intrinsically Safe Pressure Meter


The Comark range of Intrinsically Safe Manometers are ATEX compliant, certified to Ex II 1G Ex ia IIC T4 Ga and Baseefa03ATEX0079 and are therefore recommended for use in areas where explosive or flammable substances are stored or processed.


  • Intrinsically Safe Pressure Meter - C9501/IS

    0 ±2 psi

  • Intrinsically Safe Pressure Meter - C9503/IS

    0 ±5 psi

  • Intrinsically Safe Pressure Meter - C9505/IS

    0 ±30 psi

  • Intrinsically Safe Pressure Meter - C9507/IS

    0 ±100 psi


    • ATEX compliant certified to II 1 G EEx ia IIC T4 Ga Baseefa03ATEX0079
    • Selectable pressure units* PSI, mbar, Bar, inH2O, inHg, mmHg, Torr, Pa, kPa, mmH2O, cmH20, Kg/cm2
    • Positive or negative (vacuum) pressure measurement
    • Adjustable zero value
    • Maximum, minimum pressure and hold function
    • Averaged reading function
    • Over-range indication
    • Selectable auto switch off
    • Silicone protection option available for liquid pressure measurement
    *Dependent on model
    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 Temperature Range0 to 50°C
    Humidity Range10 to 90% RH non-condensing
    EMCTested to EN61326-1 Criteria B performance
    Environmental ProtectionIP67, 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 WarningDisplays BAT just before end point of battery
    Over Pressure Indication– – – –
    Over 9999 Reading IndicationLowest 4 digits blink
    Connections1/8" BSP female
    Dimensions175 x 82 x 32mm
    Weight330gm including battery
    Warranty2 Years

Additional information


C9501/IS, C9503/IS, C9505/IS, C9507/IS

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