spinorkit

Member Since: July 27, 2010

Country: New Zealand

  • Tutorial - Reflow Toaster | about a year ago

    Be aware when using thermocouples, that I found the temperature measured by a probe style thermocouple in the air a couple of cm above the board registered up to 30 deg C lower than a thermocouple bead clipped onto the board (over a via hole) using a paper clip. This is because the board and components are much better absorbers of infra-red radiation from the heating elements than the metallic probe in the air. So there is a serious risk of overheating your components if you don’t measure the temperature of the board itself.

    I used a 9 litre, 1400W mini-oven with 4 unshielded elements.

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