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. Setting the Air Pressure The air pressure setting establishes how much fluid will flow through the tip. Start at 0 psi and slowly work your way up
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300 200 100 0 200 400 600 800 1,000 1,200 1,400 0.070 1.40 2.10 2.80 3.50 4.20 4.90 Figure 3. How the cost in nitrogen consumption escalates as the oxygen ppm level is reduced in a reflow oven’s atmosphere.