Noshok
200 Series Low Pressure Diaphragm Pressure Gauges

Key Features

  • Designed for extremely low pressure and vacuum measurement
  • Ultra sensitive copper alloy diaphragm capsules are rated for pressure (or vacuum) as low as 0-10" of water and as high as 0-10 psi
  • 2-1/2" and 4" sizes – bottom and back connections
  • Molded acrylic lenses on 2-1/2" size and instrument glass on 4" size for strength and clarity
  • Standard case on 2-1/2" size is black painted steel (optional stainless steel), and stainless steel on 4" case
  • Phosphor bronze diaphragm capsules are coupled with precision all-brass movements to provide extremely accurate indication
  • 25-206 & 25-216 are low pressure diaphragm OEM-Type gauges; they feature a black ABS case and a Copper Beryllium Alloy (CuBe) diaphragm capsule coupled with Cu-Alloy movement for extremely low pressure applications
  • 25-200, 25-210 and 40-200 come standard with zero point adjustment
  • 25-200 and 25-210 are available with 2X to 10X overpressure protection based on full scale
  • Stock availability 

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Applications:

  • Medical
  • Biomedical
  • HVAC
  • Gas distribution
  • Filtration
  • Burner and gas combustion service
  • Waste water treatment
  • Level indication and filter monitoring
  • Everywhere low pressure and vacuum measurement is required

  1. Working Pressure Limitations
    • Dynamic Pressure
      The working pressure should be limited to 90% of the dial range for long service life.
    • Static Pressure
      The working pressure, when no sharp fluctuations occur, should be limited to 90% of the dial range.
  2. Ambient Temperature
    0 °F to 140 °F (-18 °C to 60 °C)
  3. Media Temperature
    -4 °F to 140 °F (-20 °C to 60 °C)