HS720 High-Precision Pneumatic Pressure Comparator Pump (Vacuum to 140 Bar Calibration System)

Key Features

  • Precision shut-off valve for stable pressure calibration
  • Built-in air-oil separator for clean and maintenance-free operation
  • High-efficiency hand pump for fast pressure generation
  • Military-grade sealing technology for leak-proof performance
  • Fine adjustment valve for precise pressure control
  • Portable and rugged design for field and lab use
  • Wide pressure range: Vacuum to 140 bar

Technical Specifications

  • Pressure Range: -0.95 to 140 bar
  • Minimum Adjustment: 0.1 mbar
  • Working Medium: Air
  • Pressure Connection: M20×1.5 Female
  • Dimensions: 380 × 198 × 140 mm
  • Weight: 6.5 kg
  • Material: Stainless steel & anti-rust aluminum
  • Sealing: Buna-N O-rings

Applications

  • Calibration of pressure gauges
  • Testing of pressure transmitters
  • Adjustment of pressure switches
  • Industrial use in power plants, oil & gas, chemical, and metallurgy sectors

Package Includes

  • 1 × HS720 Pneumatic Comparator
  • 10 × O-Rings
  • Test Report
  • User Manual

 Key Functional Components

  • Hand Pump: Generates pre-pressure efficiently
  • Reverse Valve: Switch between pressure & vacuum
  • Dual Pressure Ports: For reference & test instruments
  • Fine Adjustment Valve: Precision pressure tuning
  • Relief Valve: Safe pressure release
  • Shut-off Valve: Stabilizes pressure during calibration

Why Choose HS720 Comparator?

The HS720 stands out as a reliable pressure calibration solution for professionals who require accuracy, durability, and ease of operation. Its portable design and advanced engineering make it a preferred choice for industrial calibration tasks.