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Leak Standard Overview and Selection Guide:
Helium Permeation Leak Standards
Description
Designed for calibrating mass spectrometer leak detectors and production leak test systems, our helium permeation leak standards feature a clog-free, no-refill rugged design. Available with glass element (10-10 to 10-6 atmcc/sec) or Teflon element (10-9 to 10-3 atmcc/sec). Adjustable and refillable models are also available.
Listed below are a few of the many possible combinations of helium permeation leak standards. See our part number matrix for more information.
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| Part Number |
Description |
| CM11X-71011 |
Helium Leak Standard, 10-7, NW25 Connection |
10-7 |
NW 25 |
| CM11X-71111 |
Helium Leak Standard, 10-7, w/ Isolation Valve |
10-7 |
NW 25 |
| CM11X-81011 |
Helium Leak Standard, 10-8, NW25 Connection |
10-8 |
NW 25 |
| CM11X.X-71011 |
Helium Leak Standard, Special Value, 10-7 range |
10-7 Special Value |
NW 25 |
| CM11X.X-81011 |
Helium Leak Standard, Special Value, 10-8 range |
10-8 Special Value |
NW 25 |
| CM31X-91011 |
Helium Leak Standard, 10-9, NW25 Connection |
10-9 |
NW 25 |
