TPI 621 Dual Input Differential Manometer, +/-5 psi

Representative image only.
TPI Mfr # 621 – Item # EW-42500-12

$200.00USD / Each

$164.00USD / Each

for an additional
$164.00USD / Each
Time to recalibrate? Click on the calibration service to view details, then order.


Specifications & Description

  • Accuracy±0.5% of reading 5 digits
  • Max Pressure (PSI)5
  • Min Pressure (in WC)-120
  • Max Pressure (in WC)120
  • Min Temperature (° F)32
  • Max Temperature (° F)104
  • Min Temperature (° C)0
  • Max Temperature (° C)60
  • Process Connection1/4" hose barb
  • Unit Of Measurementmm Hg, " Hg, kPa, mBar, psi, " WC, mm WC
  • Display4-digit LCD
  • Battery Type9 V (included)
  • Media CompatibilityAir and natural gas
  • Resolution0.001" WC
  • DescriptionDual Input Differential Manometer, /-5 psi
Two year warranty

More About this Item

Replace messy U-tubes (water column manometers) and expensive pressure gauges with digital manometers.


  • Measure pressure of air and natural gas
  • Auto Power Off after 40 minutes
      • Adjusting appliance regulators
      • Setting delivery pressures
      • Leakage "shut-in" test
      • Regulator adjustments for pressure and lock-up tests
      • Test for leaks in low-pressure gas systems
      • Isolate difficult pressure problems on natural gas and propane systems
      • Test pressure switch operation on a 2-stage gas furnace in both positive and negative pressures
      • Static pressures in air ducts for air balancing
      • Check air filters by measuring pressure drop





Need Help with this product?

Our specialists are here to help you find the best product or part available for your application. Call or Email us and we will make sure you get the right product or part for the job.

Call Us At1-800-323-4340
Live chat