Digital Pressure Indicator

The Marsh Instruments Digital Pressure Indicator is portable, lightweight, hand-held testing and calibrating instrument indicates pressure to 50 psig at accuracy levels of ±0.25% of reading ±1 count. A state-of-the-art semiconductor-type pressure transducer converts pressure input to analog voltage, which is displayed on 3-1⁄2 digit LCD readout. Internal 9-volt rechargeable battery powers the indicator, and a zero adjust potentiometer standardizes the transducer bridge at zero pressure for higher accuracy.



  • Compact, portable and lightweight
  • Indicates pressures up to 50 psig at accuracy levels of ±0.25% of reading ±1 count
  • Converts pressure transducer input to an analog voltage
  • Outputs analog voltage to a 3-1⁄2 digit LCD readout display
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