Testo 521-1 Differential Pressure Meter 0-100 hPa (Accuracy 0.2% of f.v.)

★★★★★ 4.8 142 reviews

$90.00
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$90.00
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Free shipping Free 30-day returns

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Product details

Management number 210906448 Release Date 2026/04/04 List Price $36.00 Model Number 210906448
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Experience precision with the testo 521-1, boasting an integrated differential pressure sensor accurate to 0.2% of full scale. Calculate flow velocity and volume flow via an optional Pitot tube, and enjoy multi-point and timed mean calculations. Equipped with two probe inputs for additional pressure and temperature probes, this high-precision instrument is perfect for accurate differential pressure measurements in air conditioning and ventilation technology, pressure drop on filters, fan and extractor checks, or Pitot tube measurements.

  • Built-in differential pressure sensor with 0.2% accuracy
  • Optional Pitot tube flow velocity and volume calculation
  • Multi-point and timed average calculation
  • Two probe inputs for additional sensors
  • Recommended: testo 440 dP ComboKit 1 for comprehensive climate parameter measurement
  • User-friendly menu for volume flow and air parameter determination
  • Recommended: testo 440 dP ComboKit 2 for expanded workroom measurement
  • Pocket-sized, temperature-compensated differential pressure measurement with illuminated display
  • Recommended: testo 420 manometer for filter checks and pitot tube measurements
  • Differential pressure measurement for filter checks in HVAC systems
  • Recommended: testo 440 dP IAQ instrument with differential pressure sensor
  • All-in-one climate parameter measuring instrument
  • Recommended: testo 400 universal air flow and IAQ instrument
  • Smart measurement programs for HVAC grid, PMV/PPD, and turbulence
  • Recommended: testo 512-1 digital differential pressure meter with app connection
Brand Name Testo

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4.8 out of 5
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142 ratings | 58 reviews
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