The GPC Model Helium Calibrated Leak Standards have crimped stainless-steel capillary leak elements and are widely used to tune and calibrate helium mass-spectrometer leak detectors and leak testing systems. They are part of a family of Helium Calibrators offered by us including the GPP, GPPT and CLP Models detailed in other brochures. Together they cover a wide range of leak rates from 10-12 to 10-2 atm-cc/sec and larger. Our experts are always eager to help you select the best model – technically and cost – for your application. Without obligation, of course.
The GPC Accu-Flow™ Helium Leaks, due to the capillary leak element,can be manufactured for larger leak rates than permeation-type leaks. They are often used therefore in calibrating detectors in the “gross leak” mode. Also, capillary-type leaks have a very low temperature coefficient of 0.2%/ °C, as compared to 3-4% for permeation-type leaks. This reduces the possibility of calibration error in applications where ambient temperatures vary widely. As compared to some leaks that are made with glass capillary leak elements, the GPC Leaks with their stainless steel capillaries are unbreakable.
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