PKM-1B PHM-1A PIM-1B
Welding method      
  Capacitor discharge (contact) x   x
  Capacitor discharge (gap)   x  
Application range      
  Threaded studs, tapped studs, non-threaded studs, insulation nails, earth plugs, double earth plugs x x  
  Cupped head pins     x
Welding range (Ø mm)      
  Capacitor discharge (contact) 2-10   2-4
  Capacitor discharge (gap)   2-10  
Welding material      
  Steel x x x
  Stainless steel x x x
  Aluminium   x  
  Brass   x  
Spring pressure adjustable x   x
Spring pressure display x   x
Lift adjustable   x  
Lift display   x  
Piston guide      
  Slide-bearing x x x
  Linear ball track o o  
Welding cable      
  -cross-section (mm2) 25 25 25
  -length (m) 6,5 3 10
Control cable plug 7-pin 7-pin 7-pin
Housing from impact resistant plastics x x x
Protection of piston guidance from welding spatters x x x
Dimensions      
  Width (mm) 40 40 40
  Height (mm) 130 130 130
  Length (mm) 183 183 193
  Weight without cable (kg) 0,7 0,7 0,9
x = Standard, o = Option