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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
Standards and Technical Documents - Application Of A Dielectric Barrier Discharge Ionization Detector In A Process Chromatograph - ANALYSIS 2009
Description: discharge that is obtained using a high voltage alternating current applied to a gas such as helium or argon contained within a dielectric material such as quartz glass. Two electrodes are arranged within the detector so that when the high voltage is applied to the gas, a breakdown occursShow More
Supplier: Linde North America, Inc.
Description: Chemical Purity ≥99.9995 Isotopic Enrichment ≥99.9 atom% 3He is the very rare stable isotope of ordinary helium. All 3 He produced today comes from the slow degradation of the radioisotope tritium, 3 He is principally shipped and used in gaseous form in neutron detectors, spectrometers
- Noble Gases: Helium
- Composition: Pure Gas
- Concentration: 100 %
- Product Forms: Gas
Supplier: ASTM International
Description: , operating in the pulse mode, as power monitors for gas turbine modular helium reactor (GT-MHR) . Locations for the power monitors will be selected considering acceptable detector count rates and lifetimes. We have characterized the radiation environment at various locations in the GT-MHR, whereShow More
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: Agilent Vacuum Technologies
Description: a mechanical advantage of 13,000 to 1. Features For special purpose valve applications Range from Atmosphere to below 10-11 torr (mbar) Available with manual or air actuation No leak detectable on a helium mass spectrometer leak detector with sensitivity of 1 x 10-10 std cc/sec Maximum Flow
- Types: Gas Control / Leak Valve
Supplier: Emerson Process Management, Rosemount
Description: of using hydrogen carrier gas or air/nitrogen actuation gas instead of the industry standard of helium gas. Designed to operate unattended in even the most extreme weather conditions without the need of a shelter in most cases, if troubleshooting is ever needed, less experienced technicians can
- Instrument Type: Fixtured or Permanent
- Applications: Environmental, Industrial Gases, Other
- Oven Operation Method: Isothermal Operation
- Oven Temperature Range: -4 to 140 F
Supplier: Agilent Vacuum Technologies
Description: simplicity of operation Fully automatic start-up Ready for test in less than 3 minutes Excellent selectivity for helium allows you to read helium leaks and ignore all other gases Helium sensitivity can be adjusted as required to minimize test costs and helium consumption Can operate either on battery
- Leak Test Method: Mass Spectrometer (Helium Leak Detector)
- Local Interface: Digital Front Panel
- Display Type: Digital Readouts
- Operating Temperature: 23 to 95 F
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
Supplier: Saint-Gobain Oil & Gas
Description: Developed to withstand the high vibration, high temperature environments of today's "Measurement While Drilling" Oil Well Logging applications. The standard for x-ray proportional counter resolution continues to rise. Due to accomplishments such as these, gas-filled detectors remain one of the most
- Detector Style: Portable Detector
- Types of Radiation Detectors: Proportional Counter
- Types of Ionizing Radiation Detected: Gamma Ray, X-Ray
- Detector Output: Count Rate
Measurement While Drilling (MWD) Systems - OG Gas-Filled Radiation Detector -- Helium-3 Proportional CounterSupplier: Saint-Gobain Oil & Gas
Description: Helium-3 neutron detectors are largely sensitive to thermal neutrons and are typically used with a neutron moderator. For this reason, He-3 proportional counters are well-suited for measuring substrates high in hydrogen, such as water and oil, where the substrate being measured actsShow More
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
Supplier: Hy-Lok USA, Inc.
Description: Hy-Lok USA, Inc. is the American master distributor of Hy-Lok Corporation, a global industry-leading provider of valve and fitting solutions. Hy-Lok USA is proud to offer solutions to deal the danger of gas leaks. Our proprietary D’Tec Liquid Leak Detectors for quick, accurate non-residualShow More
Elemental Analyzers - Oxygen/Nitrogen by Inert Gas Fusion Infrared and Thermal Conductivity Detection -- 400 SeriesSupplier: LECO Corporation
Description: Compatible with either helium or argon carrier gas
- Elements Analyzed: Nitrogen (N) / Protein, Oxygen (O)
- Test Media: Inorganic Material
- Analysis Method / Detection Technology: Carrier Gas Hot Extraction (HE), Inert Gas Fusion (IGF), Infrared Detector (IR Cell), Thermal Conductivity Detector
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Mass Spectroscopy of Metastable Atomic Species in Gas Analysis and Processing Plasmas at High Spectrometer Source Pressures
. spontaneous de-excitation, may travel to the detector and have sufficient energy to be counted there. The detection of metastable helium may be of importance in the study of reaction processes during hydrogen (H/HD)-Deuterium (D2) plasma fusion, of which the residual fusion byproduct is helium. ash
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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Mapping Oil and Gas Reservoirs Through Measurements of Helium Gas
For data acquisition is needed only: a portable Helium gas detector , a computer to record the data and a small auger for drilling and collocation of the meter, it is also necessary to place monitoring stations positioned at strategic locations to take …
Innovative high pressure gas MEM's based neutron detector for ICF and active SNM detection.
However two effects will favor the Helium gas detector .
Handbook of Neutron Optics
They compared the results with the similarly obtained results for a conventional aluminum window helium gas detector .
Evaluation of error sources in a gravimetric technique for preparation of a reference gas mixture (carbon dioxide in synthetic air)
The leak of the inner gas from the cylinder was checked using a Sniffer method with a high sensitivity helium gas detector (Ulvac model, Heriot- 700).
Scintillation and charge extraction from the tracks of energetic
electrons in superfluid helium-4
To read out the electron signal of a two-phase liquid/ gas helium detector , Gas Electron Multipliers (GEMs) or Thick Gas Electron Multipliers (THGEMs .
Nonchemical dielectric barrier discharge treatment as a method of insect control
A helium gas detector with sensitivity lim- ited to 0.1% by volume monitors the helium concentration in the chamber.
Ureteral calculi imaging: a literature review comparing plain film studies, contrast media studies, ultrasound and computed tomography
These advancements include the use of solid-state detectors, which are more sensitive than older helium gas detec- tors , reduction in rotation time to 0.5 sec and the increased ease in altering the mAs by the performing technician.13 A 2006 …
Operation of a Cryogenic Rocket Engine
Another method is pressurisation with helium and a check with a helium gas detector (Fig. 3.6).
Polymer Surfaces and Interfaces
a finite size and a small divergence before it hits the sample surface and the re- flected intensity is collected by a detector, which is often a helium gas detector .