{ "name": "FEP Permeation “Sniffer” Model (TPS)", "productType": "Air Flow Leak Standard", "price": 0, "model": "FEP Permeation “Sniffer” Model (TPS)", "type": "FEP Permeation “Sniffer” Model (TPS)", "image": "https://8752993.fs1.hubspotusercontent-na1.net/hubfs/8752993/Products/CTS-placeholder_380x270.jpg", "description": "

The TPS<\/strong> model calibrated helium leak standard works equally well calibrating helium leak detectors that test under vacuum, and with helium leak detectors that sample from atmosphere utilizing a “sniffer probe”. This was accomplished by designing the TPS model with both an integral KF25 (NW25) vacuum fitting and a pin-point helium source that accepts and aligns most manufacturers “sniffer probes” with virtually no “dead volume” where helium can accumulate and cause inconsistent readings.Calibrated helium leak standards with shut-off valves and should not be used to calibrate a “Sniffer Type” leak detector.<\/em><\/strong> The FEP permeation type leak element is not driven by differential pressure but helium partial pressure flows helium at virtually the same rate flowing into a vacuum or flowing into normal atmospheric conditions.<\/p>", "dataPoints": {}, "quantity": 1 }