Helium Testing Equipment

What type of equipment does ATS use for helium testing?
ATS uses a portable leak detector that weighs only two pounds and can detect very small leaks in objects that have a slight helium/air pressure inside. It is sensitive to helium concentration as small as 2 ppm, which is equivalent to a leak rate of 5 x 10-6 atm-cc/sec.

Agilent PHD-4
Lowest detectable helium concentration 2 parts per million
Smallest detectable leak 5 x 10-6 atm-cc/sec
5 x 10-6 mbar-l/sec
5 x 10-7 Pa-m3/sec
Response time <2 seconds
Recovery time (from 50 to 0 ppm) <10 seconds
Start-up time (including self-check) approximately 3 minutes
Transformer power supply 110-240V 50-60 Hz
Sealed, detachable battery pack 4 hours of operation with full charge
Ambient storage temperature -20 to +60 °C (4 to 140 °F)
Ambient operating temperature -5 to +35 °C (20 to 95 °F)
Maximum relative humidity 90%
Weight, basic module with battery 5.7 lbs (2.6 kg)
Background suppression (zeroing) Automatic
Tuning Automatic

Purchase Helium Detectors & Helium Leak Detection Training:

Call us at or use our easy contact form.

Our Equipment Specialists will provide information on purchasing this compact helium tester.  Training can be arranged at your location.

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