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Portable Leak Finder is a troubleshooting tool to find small leaks in chambers, connections or parts.
 
Is a rechargeable container for helium gas with a spray nozzle similar to an aerosol can. Helium is sprayed onto the suspected leak location of a part or chamber and can then be observed on a mass spectrometer system that continuously measures the helium concentration in the part while under vacuum. A leak is immediately identified if helium is drawn into the part or chamber by the vacuum inside. The mass spectrometer responds to concentration change caused by new helium being drawn into the part or chamber. The timing of the response corresponds with the location of the helium being sprayed at the time of the response to accurately indicate the leak location.
 
Kit includes a recharge fitting and comes in a protective, custom-made carrying case. Valves, pressure gage and pressure relief valve allow safe recharging of the canister.
 
Cincinnati Test Systems, cincinnati-test.com
Scapa 650 is a high-temperature masking tape for low static protection of gold plated finger tabs, assembly holes and components during flux, preheat and soldering processes.  Also designed for high-temperature industrial masking in clean room environments.
 
Consists of a specially treated paper, single coated with a silicone pressure sensitive adhesive.  The masking tape reportedly delievers low electrostatic discharge at unwind, eliminating PCB degradation.  After processing, the silicone adhesive removes cleanly and easily from the surface without leaving adhesive residue.
 
During hot air leveling and wave soldering, it provides protection against chemical, solvents, solder and rinse water. Has a wide operating temperature range.
 
Scapa Industrial, scapaindustrial.com
Custom wave solder fixtures are manufactured using the same Gerber and drill files which describe the board, to speed production and improve performance.
 
Datum Wave Solder Fixtures are designed using customer supplied Gerber and drill files, which allows precise routing for component bottom-side pocketing and permits thicker, stiffer and more stable fixtures. With stepped-down openings on the solder side to prevent turbulence and component skipping, the fixtures provide a positive-locking clamp system to secure the board and for complete solder coverage.
 
Virtually eliminate the need for glue dotting, feature precise routing for component depth to prevent solder flooding and facilitate trouble shooting. Accommodate densely populated boards with tall secondary side components, can solder through-hole components directly adjacent to SMT devices. Can be supplied for boards up to 24” W.
 
Datum Dynamics USA, datumdynamics.com

Page 1845 of 2023

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