MAN-334 Digital Manometer Portable Air Vacuum / Gas Pressure Gauge Meter 12 Measurement Units with Backlight and Data storage Function Sing Pipe or Differential Pressure of 1-2 Pipes Detection

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Measure the air pressure of single pipe or pressure difference between two detection ports. It has 12 units of measurement and is widely used in natural gas pipelines, air-conditioning refrigeration, ventilation system, mechanical hydraulics, plastic molding, biopharmaceutical molding, mining area pressure detection, gas/liquid production, and industrial equipment pressure detection.


  • 12 Selectable units of measurement
  • Pressure Difference Measurement
  • MAX / MIN / AVG Data mode
  • Data HOLD function
  • Large LCD with backlight
  • Data storage function with a time stamp
  • Zero function
  • Low battery alarm
  • Automatic power off function
  • Over range indicator: HI / LO
  • USB for power supply


  • Pressure Range: ±2.000 Psi
  • Measurement unit: Pa, psi, kgfcm², bar, inH₂O, ftH₂O, inHg, mmHg, ozin², mbar, cmH₂O and kPa
  • Accuracy: ±.3% FSO (@25°C)
  • Repeatability: ±.2% (Max±0.5%FSO)
  • Linearity / Hysteresis: ±0.29% FSO
  • Data Storage: 99 groups
  • Response time: 0.5s
  • Out of range indicator: Hi or Lo
  • Automatic Power off conditions: No operation for 10mins
  • Operation condition: 0~50°C (32~122°F)
  • Storage condition: -10~60°C (14~140°F)
  • Power Supply: 1.5V x 3pcs AAA batteries
  • Dimension: 165 x 70 x 33mm
  • Weight: 150gms (without batteries)

Set Includes:

  • 1 x Digital Manometer
  • 2 x Plastic Hose
  • 1 x Metal Connector
  • 1 x Carry Pouch
  • English Manual
  • Standard Factory Packaging

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