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The 625 Dual Input Differential Manometer with ±80 inH2O range and 0.01 inH2O resolution is a hand held pressure meter with superior resolution.

  • Dual input with +/-80” H2O range
  • Seven units of measure (mbar, kPa, PSI, mmHg, inHg, mmH2O, inH2O)
  • Display – 4 digit dual line with backlight
  • Smooth – Stabilizes display when measuring fluctuating pressures
  • Data Hold – Freezes reading on display
  • Min / Max – Records Min/Max readings
  • Auto Off – Conserve battery power
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625 Dual Input Differential Manometer
625 Dual Input Differential Manometer
625 Dual Input Differential Manometer

The high accuracy, high resolution TPI 625 is a handheld Dual Input Digital Manometer with superior three decimal place resolution.

The 625 comes complete with the following accessories:

  • 625 Instrument
  • A600 Soft Carrying Pouch
  • A613 Protective Boot with Magnets
  • A602 Silicone Tubing with Brass Fittings (2)
  • Instruction Manual
  • 9V Alkaline Battery


625 Applications

  • Check for positive building pressure
  • Perform room to room pressure diagnostics
  • Test duct pressure and perform static pressure checks
  • Adjust appliance regulators
  • Test pressure switch on a 2-stage gas furnace in both positive and
    negative pressures
 Model 625 Specifications
Units of Measure  inH20 ±40
mbar ±100
kPa ±10
psi ±1.4
mmH20 ±1016
mmHg ±75
inHg ±2.9
Measurement Range ±80” H2O
Resolution (max) 0.01” H2O
Functions One Touch Zero, Data Hold, Back-light, Unit
Selection, Smoothing, Auto Power Off,
Min/Max Record
Input Type Dual Differential (1/4” Barbed)
Display :4 Digit LCD with Backlight
Battery Life 80 Hours (Typical)
Battery Type 9V Alkaline
Auto Power Off 40 Minutes

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