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HS702 HS703 pneumatic pressure comparator with digital and analog gauge calibration setup
HS702 HS703 pneumatic comparator parts diagram hand pump valve pressure ports labeled

Portable Pneumatic Pressure Comparator HS702 HS703 Vacuum to 60 Bar Calibration Pump

Key Features

  • Wide pressure range from vacuum up to 60 bar
  • High precision fine adjustment valve (0.1 mbar / 10 Pa accuracy)
  • Built-in air-oil separator for clean and stable operation
  • Dual pressure output ports for simultaneous calibration
  • Hand pump + screw spindle pump for effortless pressure control
  • Rugged design with anti-rust aluminum and stainless steel body
  • Quick connection M20×1.5 ports for easy setup
  • Compact and portable design for field and lab use

Technical Specifications

  • Models: HS702 & HS703
  • Pressure Range:
    • HS702: -0.95 to 25 bar
    • HS703: -0.95 to 60 bar
  • Working Medium: Air
  • Accuracy: 0.1 mbar (10 Pa)
  • Material: Stainless steel, aluminum body, Buna-N seals
  • Connection: M20×1.5 female
  • Dimensions: 286 × 198 × 140 mm
  • Weight: 2.7 kg

Applications

  • Pressure gauge calibration
  • Transmitter testing
  • Industrial instrumentation calibration
  • Laboratory pressure testing
  • Oil & gas, power plants, and chemical industries

Why Choose HS702 / HS703?

This pneumatic comparator stands out for its precision, portability, and durability, making it an ideal solution for professionals who require accurate pressure calibration in both controlled and field environments.

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