Kemppi MLS 2500 - Manual (Page 13)

Master MLs™ 500, 503, 3500, 3503, Mastertig MLs™ 3000, 3003, 4000, 4003 / 0649– 13 © keMppi oy
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3.2.2.5. TIG welding panel MTX – pulsed TIG functions
1. 4T-LOG
2. Selection for spot, synergetic quick pulse and long pulse
3. Search arc 10 – 80 % of welding current
4. Pulse current 10 A – max.
5. Pulse ratio 10 – 70 % of pulse time
6. Frequency 0.2 – 300 Hz
7. Base current 10 – 70 % of pulse current
8. Spot time 0 – 10 slph
9. Tail arc 10 – 80 % of welding current
1. Welding torch switch 4T-LOG function (only MTX panel)
When torch switch is pressed current goes to search arc; after the switch is released current goes
to welding current within the upslope time. When the switch is pressed again, current goes to
downslope and then to the tail arc. Current stops when the switch is released.
2. Spot
Spot function is practical when welding a definite spot with TIG. It can be used both in 2T and 4T
mode. Enter the spot time adjustment by pressing arrow button, and when the led is lit you can
choose the spot time needed by turning the pulse potentiometer.