There are 2 basic techniques; high vacuum testing which allows leak test thresholds to be set down as low as 1×10 -12 mbar.l.sec -1, or sniffing …

If the helium is not distributed uniformly, the increase in concentration will be lower. As an example, a part leaking pure helium at a rate of 1 × 10–5 atm cc/sec into an enclosed …

ASM 340 Best-in-class leak detectors for fast, accurate and high reliability testing Fastest test time in its class Your added value Capable for both vacuum and sniffing tests Top performance in vacuum and sniffing leak detection The ASM 340 guarantees top performance in vacuum and sniffing leak detection for various industries, from …

VES have manufactured helium leak detection systems for the world's largest manufacturers for over 25 years, and are more than happy to impart a little knowledge. ... Typical vacuum pumping systems seen on helium leak detection systems lose speed at lower pressures so it is very important to ensure you have an appropriate response time …

Helium leak testing finds small or more significant leaks in bigger volumes. The helium is used as a tracer gas and its concentration is measured. This guide to …

Flow and permeation rate measurement of helium and hydrogen. Features Applications The HELIOT900 is our helium leak detector with; high speed pumping capability, user-friendly operation and guaranteed top performance in all kinds of leak testing situations. 21 23 Sniffer unit Cart, Case ⑦ Oil mist trap Controller optional accessories

Defining Speed and Accuracy in Leak Detection. The INFICON UL5000 Helium Leak Detector is designed to meet the most critical and demanding leak detection applications. Featuring INFICON proprietary software algorithms I-CAL and Hydro-S in a field-proven vacuum design, the UL5000 provides testing flexibility, high sensitivity and quick …

@article{osti_5482044, title = {Helium leak detector improved sensitivity speed choke}, author = {Juravic, F}, abstractNote = {To achieve the best of steady sensitivity of a leak detector and the best of opening the valve for quick clean up, a gate valve was installed with a predetermined hole drilled in the seat plate and positioned between a diffusion pump …

Part Number: TVC-XX1-1. The TITAN VERSA C (Compact) with external, user-supplied pump, is an incredibly powerful and versatile helium leak detector based on an innovative and proven core technology. It is lightweight, mobile, and flexible. It is most commonly mounted on a maintenance cart or integrated into a production leak test system.

Discover the Agilent HLD MR15 Mobile Helium Leak Detector with rotary vane pump (15 m 3 /hr). Choose this configuration if you have large systems to test, need the performance of additional pumping, or need the mobility and flexibility of a shared multi-purpose instrument. ... with a pumping speed of 15 m 3 /hour, for rapid evacuation of test ...

There are 2 basic techniques; high vacuum testing which allows leak test thresholds to be set down as low as 1x10-12mbar.l.sec-1, or sniffing which is generally used for helium …

MS 50 High Speed Production Console Helium Leak Detector; MS 60 Portable Helium Leak Detector; MD-490S Portable Dry Helium Leak Detector w/ Sniffer; Inficon. ... or within the detector itself for smaller …

Note: Particular attention should be paid to helium pumping speed. Pumping performance for helium varies substantially, depending on operating pressure and type of pump. If the leak detector is displaying a leak rate of 2.0 × 10–8 mbar × L/sec, the test pressure in the leak detector is 0.001 mbar, and the helium pumping speed of the leak

Helium leak detector is an instrument that uses helium as a tracer gas to determine whether there are defects in sealing by detecting leaked helium. ... Significantly improves helium sensing speed ...

Technical Overview. Managing the Background Signal in Helium Leak Detection. Abstract. One of the distinct advantages of using helium as a trace gas in leak detection is its …

Speed, Sensitivity and Reliability for Demanding Leak Detection Applications. The INFICON UL1000 Mobile Helium Leak Detector is designed to meet the most demanding industrial leak detection applications. Providing fast, accurate and repeatable test results, testing flexibility, and high sensitivity in a low maintenance design, the UL1000 is ...

There is almost no helium in ordinary air, so helium sprayed near a leak in a vacuum system will enter the system and quickly show up in the output of a vacuum pump connected to such a system. You are designing a leak detector that uses a mass spectrometer to detect helium ions (charge + e = 1. 6 x 1 0-1 9 C, mass m = 6. 6 5 x …

The leak test limit may be set at a level of 1 x 10-10 mbar L/sec, which enables unique comparisons across components, materials, formats, and manufacturing characteristics using a high-speed vacuum approach; …

NEW Leybold Phoenix 4 MAGNO High Pumping Speed Helium Leak Detector 352200V02 Two Year Warranty Specifications. Technical data. PHOENIX Vario. Smallest detectable helium leak rate. Vacuum operation mbar · l · s -1. Sniffer mode mbar · l · s -1. ≤ 5 · 10 -12. < 1 · 10 -9 1) Smallest detectable hydrogen leak rate.

The Agilent HLD MD30 mobile dry helium leak detector is both a precise instrument and a robust workhorse, featuring an easy-to-use touch screen interface and menu ... Pumping speed for helium 1.8 l/s Sensitivity 5 × 10-12 mbar l/s Display range 10-4 – 10-11 Maximum test port pressure 13 mbar Accessory Wireless remote Eight languages

In order to assess whether a product is safe to use without fear of leakage, you need to ensure you can quantify and prove leak tightness. Our helium leak testing guide explains how.

These Pfeiffer ASM 310 helium leak detectors have a built-in internal dry diaphragm backing pump, pumping speed 1.7 m³/h, are fully automatic, ultra compact, and light in weight, being small enough to place on the bench top.

A more specific description would be: "Helium leak test using outboard (out-leakage) vacuum test method with the part pressurized to 90 psia helium. The leak rate shall not exceed 1.0 x 10-7 atmcc/sec He." ... • How fast is the method and is the test speed dependent on part size? • How is the capability of the test method affected ...

The TITAN VERSA L (Horizontal) configuration is an incredibly powerful and versatile helium leak detector based on an innovative and proven core technology. It is designed for high performance and is built for speed. It is most commonly mounted on a maintenance cart or on a bench top. Typical applications include large volume leak detection, …

Typical tests are between 10 -4 to 10 –9 mbar·L/s, well above the leak detector baseline sensitivity and signal-to-noise ratio. Some users require high sensitivity testing and want to read a leak value as accurately as possible. For applications at 10 –10 mbar·L/s or below, it is essential to understand the factors that affect the ...

Portable Helium Leak Detector Data Sheet. DE.5105555556 This information is subject to change without notice. ... DS 40M rotary vane pump, 2 m3/hour Detectable mass 4 Pumping speed for helium 1.8 l/s Sensitivity 5 × 10-12 mbar l/s Display range 10-4 – 10-11 Maximum test port pressure 13 mbar Accessory Wireless remote Eight languages …

The ASM 310 helium leak detector has a wide measuring range capability. It can detect a leak as large as 10-2 mbar l/s down to a leak as small as 3x10-11 mbar l/s. A leak of 10-2 mbar l/s is equivalent to a bubble of 1 cc escaping a part every 100 seconds. A leak of 3x10-11 mbar l/s corresponds to a bubble of 1 cc escaping a part every 1,050 years.

Flapper boxes assist to speed up production and reduce cost. Helium Leak Testing's flapper boxes are designed to fit your product and enhance your leak testing procedures. ... Helium Leak Testing, Inc. designs and manufactures a standard leak test bombing chamber for the leak testing of sealed objects that cannot be connected directly to a ...

Sniffer probe is very effective in locating minute leaks. Does not require expensive fixtures or test chambers and can be employed at low cost. Useful in testing small parts as well as complex systems. Higher test sensitivity can be achieved by increasing tracer gas pressure. Capable of detecting leaks in the range of 1.6x10-1 to 1x10-5 scc/s.

These Pfeiffer ASM 340 helium leak detectors have a built-in internal wet oil-sealed rotary vane pump, pumping speed 15 m3/h, are fully automatic and compact, being small enough to place on the bench top.

The UL1000 is optimized to provide quick, accurate results in any application from the leak checking of large vessels and systems to high-cycle, repetitive component testing - 24 hours / 7 days a week - in the toughest industrial environments. With the addition of the TC1000 Test Chamber accessory, the UL1000 Helium Leak Detector provides easy ...

Water and various gas pipe leak test. Equipment startup to measurement with a touch of a button. High sensitivity of 10 -12 Pa·㎥/s and high stability enabling long term use. Equipped with large casters and handle making …

Minimize "dead" volume and surface area for hard vacuum testing to increase performance in all aspects. Avoid conductance constraints for hard vacuum testing—it may decrease cycle times and …

HLD BD15 Bench Dry Helium Leak Detector. The Agilent HLD BD15 bench dry leak detector uses a mass spectrometer tuned to detect helium, which is used as a tracer gas to locate and/or measure very small leaks in enclosed devices or systems. The HLD BD15 is both a precise instrument and a robust workhorse, featuring an easy-to-use touch screen ...

depends on the helium pumping speed of the vacuum pumps on the chamber. Sensitivity Sensitivity, defined as the ability of the helium leak detector to identify the smallest possible vacuum leak, can be a challenge when leak checking large vacuum systems. Maximum sensitivity is achieved when 100 % of the helium entering the vessel (though the leak)

The Busch TAPIR 1102 A Helium, Leak Detector is the lightest and smallest full feature mass spectrometer helium leak detector available. Weighing in at 46.2 lbs (21 kg) the TAPIR is half the weight of other leak detectors. This small package allows for maximum transport ability and convenience. Personnel safety is paramount and many situations ...

Charge Systems. The accuracy of the leak test heavily depends on the concentration and homogeneity of the trace gas inside …

Using sniffer processes it is possible, virtually independent of the type of gas, to detect leak rates of about 10 ‑7 mbar · l/s. The limitation of sensitivity in the detection …

The portable helium tracer gas sniff only MD-490S is considered the Leak Detection "Work Horse" by manufacturing companies worldwide is now available in two tracer gases. MD-490S Dual Gas is the most advanced sniffing Helium/Hydrogen leak detector designed specifically for industrial environments. The MD-490S Dual Gas utilizes VIC's own ...