Hotstart Current And Hotstart Time - EWM Tetrix 300 AC/DC Comfort Operating Instructions Manual

Item Symbol Description
6
5.7.3

Hotstart current and Hotstart time

The hotstart device improves the ignition of the stick electrodes using an increased ignition current.
a) = Hotstart time
b) = Hotstart current
I = Welding current
t = Time
Operating
element
099-000120-EW501
26.07.2011
0
Alternating current frequency (TIG AC)
50 Hz to 200 Hz (1 Hz increments).
Constriction and stabilisation of the arc:
The cleaning effect increases with a greater frequency. Particularly thin panels (welding
with a low current), anodised sheet aluminium or highly contaminated articles for
welding can be welded and cleaned perfectly at a higher frequency.
Frequency fast TIG DC pulses
Setting range: 50 Hz to 15 kHz
Action Result
Select expert menu
4 sec.
Hotstart current parameter (Iht)
Set hotstart current parameter value
Select hotstart time parameter (tht)
x x
Set hotstart time parameter value
Design and function
MMA welding
Display
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