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Dual Differential Input Manometer with ±120 inH2O range and 0.001 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 Differential Input Manometer

  • Dual input with +/-120” H2O range
  • 0.001” 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

£150 RRP exc. VAT 

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

The 621 range is +/- 300 mBar and resolution changes from 2 decimal place to 1 decimal place at 99.99 mBar.

Each model is supplied with a Protective Boot as well as Pouch , battery and instruction manual.

TPI Model 621 Introduction Video

Product Documentationpdf-icon1

Click below to view or download product documentation PDFs:

621 Manual

621 Data Sheet (UK)

 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
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