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Reservoir Helium Permeation Leaks

Reservoir Helium Permeation

LACO’s Reservoir Helium Permeation Leak Standards are robust and reliable options for leak standards in the 10-9 atmcc/sec leak rate range and lower. Our fused silica permeation element with an all metal seal provides for consistent and stable leak rates for years to come. These leak standards are available in a wide range of configurations, including many outlet port configurations. 

Warranty Life Time

TYPICAL APPLICATIONS REQUIRING A HELIUM LEAK STANDARD INCLUDE

  • Mass Spectrometer Leak Detectors
  • Helium Comparison or Transfer Leak Standards


AVAILABLE TOLERANCE OPTIONS

LEAK STANDARD TYPE
STANDARD TOLERANCE
PRECISION TOLERANCE
HIGH PRECISION TOLERANCE
Polymicro Helium Reservoir± 1.0 of Mantissa± 10% of Nominal± 2% of Nominal
Permeation Helium Reservoir± 1.0 of Mantissa± 10% of NominalNot available
Open-Style: Helium± 1.0 of Mantissa± 10% of Nominal± 2% of Nominal
Open-Style: Air± 20% of Nominal± 5% of NominalNot available
Sniffer: Helium± 1.0 of Mantissa± 10% of NominalNot available
Alternate Gas± 1.0 of Mantissa± 10% of NominalNot available

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