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Dual Differential Input Manometer with ±120 inH2O range and 0.01 in H2O resolution. Seven units of pressure: inH2O, mbar, KPa, PSI, mmH2O, mmHg, inHg, Auto power off, Backlight display, Zero function, Trim mode to stabilize readings.

621 Dual Input Differential Manometer
621 Dual Input Differential Manometer
  • Dual input with +/-120” H2O range
  • 0.01” H2O maximum resolution
  • Seven units of measure (mbar, kPa, PSI, mmHg, inHg, mmH2O, inH2O)
  • Display – 4 digit with backlight
  • Smooth – Stabilizes display when measuring fluctuating pressures
  • Auto Off: Conserve battery power

$199.95 USA Suggested List Price

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The TPI 621 is a hand held pressure meter with superior resolution.

All of these models measure over the range of -40.0 to +120.0 mbar. Each unit has a resolution of 0.01 mbar to +19.00 mbar and automatically auto-ranges above ± 19.00 mbar to 0.1 mbar resolution. Each model is supplied complete with carry pouch, battery and instruction manual.

The 621 comes complete with the following accessories:

  • 621 Instrument
  • Instruction Manual
  • 9V Alkaline Battery

Optional Accessories:

  • A602 30″ vinyl tube, 1/4″ ID w/brass fitting
  • A605 1/4″ plastic T fitting
  • A611 5.5″ gas valve pressure adapter
  • A615 72″ stainless steel braided hose
  • A617 100′ silicone tubing

 Model 621 Specifications
 Measurement Range  ±120” H2O
 Display  5 Digit LCD with backlight
 Input Type  Dual Differential (1/4” Barbed)
 Resolution (max)  0.01” H2O
 Accuracy  +/-(0.5% of reading + 5 digits)
 Functions  One Touch Zero, Back-light, Smoothing
 Units of Measure  1 Unit (inH2O)
 Battery Type  9V Alkaline
 Battery Life  80 hours (Typical)
 Auto Power Off  40 minutes

TPI Model 621 Introduction Video

Product Documentationpdf-icon1

Click below to view or download product documentation PDFs:

621 Manual

621 Data Sheet

621C3 Data Sheet

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