Sensistor Standard Presentation 2008 Lcb
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Transcript of Sensistor Standard Presentation 2008 Lcb
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How 5% Hydrogen
gives you100% quality.
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• Worlds’ leading specialist in Leak Testing based on the Hydrogen Method
• Started 1981 by scientists from Linköping Technical University
• First applications for telecom 1985 •
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• Outside Plant - leak detectors
(mainly telecom)
• Industry - leak test instruments
• Industry - leak test systems
• Agency
Business Areas
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Some of our customers
• ABB• Airbus• Akzo Nobel• BASF• BMW• Bayer• Behr• Boehringer• Bosch • Braun• British Telecom• Carrier• China Telecom• Daimler Chrysler• Daalderop• Deutsche Telekom• Electrolux • Eurocopter• Ford• France Telecom
• General Motors• GTI• Hella • Honeywell • Hitachi • Honeywell • Hong Kong Telecom• John Deere• M.O.D. UK• Nissan• Parker• Philips• Porsche• Renault• Roche• Rolls Royce• SAAB• SCANIA• Shell• Suzuki• Telmex
• Toyota• TÜV• Valeo• Verizon• Volkswagen• Volvo• Whirlpool• Yamaha
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Why Hydrogen?
• The lightest gas of all• Lowest viscosity of all gases (easy to fill,
evacuate and dissipate) • Low background (0.5 ppm)
• Environmentally friendly, sustainable
• Much cheaper than helium
• Non flammable (when diluted 5% in N2)
• Non toxic - non corrosive
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Hydrogen Instrument advantages
• Simple and robust for industrial use• No vacuum pumping
• No need to draw sample into the detector
• Flexible design
• Easy to calibrate
• No maintenance
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When simple methods are not good enough and mass-specs are too complicated...
Complexity
WaterSoap Pr.DecayMethod
HeliumHydrogen
When to use Hydrogen?
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Hydrogen vs Pressure Decay
The Hydrogen Method... • can locate leaks• is independent of variations in
temperature• is perfect for testing soft objects• is independent of size of test
objects’ internal volume• has a higher sensitivity
(Pressure Decay from 10-2 ml/s Hydrogen Method from 5x10-7 ml/s)
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Hydrogen vs Helium
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Hydrogen vs Helium
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Locating leaks in...• Buried and ducted cables
• Aerial cables
• Pipes and ducts
• In-house heating pipes
Outside Plant
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Industry - instruments
• Manual Leak Location• Manual & Automatic
Leak Testing
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Industry – Leak Test Systems
• Sniffer clamp test• Accumulation chamber
test (integral test)• Scanning
• Pump Method
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Sniffer clamp
Example: Clamp over welded joint
Leak
Detector H2000 PLUS
Sampling Probe AP29Gas in
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Accumulation chamber
Test chamber -simple hood, simple sealsno pressure or vacuum)
Test object -fixed with seals
Dead volume (air) -should be minimized
Air circulationand sampling
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Products - Outdoor Leak Locating
Hydrogen Leak Detector 9012 XRS
Accessories
• Surface Probe
• Ground Probe
• Duct Probe
• Ear phones
• Wheel Unit
• Fan
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H2000 PLUS Hydrogen Leak Detector
Accessories
• AP55 Sniffer Probe
• AP57 Counter Flow Probe
• TGF10 Tracer Gas Filler
• ILS500 Leak Detection System
Products - Manual leak detection
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Products – Automatic leak testing
• H2000(-P) PLUS Hydrogen Leak Detector + AP29 Sampling Probe
• AP33 Hydrogen Sampler
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Products – ATEX
• Extrima® Hydrogen Leak DetectorIntrinsically safe (Ex)