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Supplier: ULVAC Technologies, Inc.
Description: Leak tests on items subject to internal pressure such as compressors and gas piping have conventionally been performed by methods such as the water immersion method or halogen test. However with the product quality improvements and production rationalization of recent years, users are demanding
- Leak Test Method: Electronic Gas Detection, Mass Spectrometer (Helium Leak Detector)
- Output Options: Analog Voltage
- Local Interface: Digital Front Panel
- Computer Interface: Yes
Description: by a one-year warranty, the Restek® leak detector is the industry standard for performance and affordability in handheld leak detectors. Leak Detector Specifications Detectable Gases: Helium, nitrogen, argon, carbon dioxide, hydrogen Battery: Rechargeable lithium ion internal battery pack (12
- Instrument Type: Detector
- Mounting Type: Portable
- Number of Gases Sensed: Multi Gas
- Specific Gas Types: Carbon Dioxide (CO2), Hydrogen (H2), Other
Supplier: OMEGA Engineering, Inc.
Description: (air), as well as GPM and LPM (water) markings. Flow meters are individually tested on a Mass Spectrometer Leak Detector and certified to a leak integrity rating of 1 X 10-7 sccs Helium or better.
- Type: Rotameter, Variable Area
- Pipe Diameter: 0.3750 inch
- Gas Volumetric Flow Rate: 5 to 31.78 SCFM
- Operating Pressure: 150 psi
Supplier: Fredericks Company - Televac
Description: Drying, Helium Mass Spec. Leak Detectors, High Energy Physics, Lamp, Lighting & Laser Products Mfg., Mass Spectrometers, Metallurgical Processes, Night Vision / Electro-Optical Detector Mfg., Plasma Enhanced Deposition, Sterilization The Televac model 7FCS is specially designed for applications
- Vacuum Range: 29.92 to 29.92 in Hg vac
- Device Category: Sensor
- Pressure Reading: Gauge, Vacuum
- Operating Temperature: 32 to 122 F
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Improving the Hermetic Seal on Moxtek's AP3 Window
of low energy X-rays while. maintaining a hermetic seal critical for the X-ray detector's performance. While. Moxtek ensures that all windows meet published limits for leak rates, no material is a. perfect gas barrier and gasses will diffuse through window assemblies over time. As. a continuous
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Scientific Charge-Coupled Devices
This method of testing leaks was later replaced by using a helium gas leak detector .
A vacuum-tight outer bound- ary is achieved by a stainless steel vessel whose joints are welded and leak-tested using helium gas leak detector at a maximum rate of 10-7 cc/sec.
Helium-to-neon modification for a DuPont 120SSA or 24-120 leak detector
Although DuPont markets a three gas leak detector ( helium , neon and argon), the DuPont 12OSSA/24-120 is convertible .
… 386 Langmuir isotherm 102–3, 386 Laser 491–2 Laser cutting 332–3 Laser welding 333 Lavoisier, Antoine 2, 163 LCD glass coating 479–80 LD, see Steelmaking, Lind–Donawitz Le Chatelier 270 Leaks in pipework 223–4 acid gases 279 helium leak detector 223 ultrasonic leak detector …
" Gas leakage using helium detector is estimated to be less than 0.07% of the full flow.
Ammonia Absorption Technologies Development for Air Conditioning, Heat Pumping and Refrigeration
The sorbers were inspected for leaks using both a helium leak detector and gas -lake1 testing shown in Figure 84.
Clear Defect Photolithographic Mask Repair In Open Air Using Laser-Induced Pyrolytic Decomposition
We used Helium leak detectors and Gas Chromatographs with proper tracer gases to make sure that the delivery -vent system produced no dangerous emissions of gases.
In-service helium leak testing of vacuum furnace
HELIUM LEAK DETECTOR To helium gas cylinder .
A membrane inlet mass spectrometry system for noble gases at natural abundances in gas and water samples
… are removed by reactive metal getters and the noble gases are separated cryogenically and measured on a quadrupole or sector field mass spectrometer.[11,12] Dissolved noble gas tracers at high concentrations can be measured using gas chromatography and helium leak detectors .