PHD-4 Sniffer by Agilent Technologies

The PHD-4 is able to detect very small leaks in objects that have a slight helium/air pressure inside. It is sensitive to helium concentrations as small as 2 ppm- equivalent to a leak rate of 5x 10-6 atm-cc/sec, far superior to the performance by other means of detecting leaks, such as bubble-testing. 


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PHD-4 Sniffer
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The PHD-4 is able to detect very small leaks in objects that have a slight helium/air pressure inside. It is sensitive to helium concentrations as small as 2 ppm- equivalent to a leak rate of 5x 10-6 atm-cc/sec, far superior to the performance by other means of detecting leaks, such as bubble-testing. The PHD-4 sensitivity relies on Agilent’s proprietary and patented SIPD (Selective Ion Pump Detection) technology. Since it is controlled by a microprocessor, the PHD-4 is easy to use with no training required. All tuning and zeroing are handled automatically. The display can be set to use any of four languages (English, French, German, and Italian).

Features:

  • The PHD-4 weighs only 2,6 Kg (5.7 lbs) including the battery
  • Wide range of uses: replaces or can be used with existing methods such as bubble test or pressure decay
  • State-of-the-art microprocessor control allows great simplicity of operation
  • Fully automatic start-up
  • Ready for test in less than 3 minutes
  • Excellent selectivity for helium allows you to read helium leaks and ignore all other gases
  • Helium sensitivity can be adjusted as required to minimize test costs and helium consumption
  • Can operate either on battery power or connected to an outlet