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Tim Norman

LX-1108 Light Meter | Light Meters | Castle Group Ltd - 0 views

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    This compact size instrument with an LSI circuit provides high reliability & durability. It has a selectable light source: tungsten, fluorescent, sodium & mercury.
ahmad subahman

Steam Boiler Possible Breakdown and Solutions (part 2) - 0 views

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    There are two lockout control circuits for the a) burner and b) boiler. If the `Burner Fault' light comes on: first press the burner reset button.
ahmad subahman

The Main types of transfer in GMAW - 0 views

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    The two main types of GMAW transfer are: Spray or globular transfer. Short-circuiting or dip transfer. Spray Transfer/Globular Transfer. This type of metal transfer generally occurs at high current and high arc voltage ranges, e.g., 250 - 600 Amps at 28 - 40 volts. As the current is increased the rate at which the droplets are transferred across the arc increases and they become smaller in volume. The droplets can be seen in a high-speed cine film but cannot be seen with the naked eye. It appears as if there is a spray of metal.
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