Master M 353, 355
Operating manual - EN
5. Open the gas bottle valve.
6. Press the gas test button (1) to test and adjust the gas flow. Use the gas regulating valve (2) (in Master M 355 only)
or an external flow meterand regulator.
The gas test time is 20 seconds by default. The gas test time can be changed in the control panel.
Recommended gas flow rates (for general guidance only):
TIG* MIG**
Argon
5...15 l/min 10...25 l/min
Helium
15...30 l/min -
Argon + 18-25% CO2
- 10...25 l/min
CO2
- 10...25 l/min
* Depending on the gas nozzle size.
** Depending on the gas nozzle size and welding current.
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