DESCRIPTION OF AST-901D :

Fully automatic electronic temperature control  With PID auto tuning.
 Step less variable temp. control system for varying temperature continuously from 180º C to 480 ºC. And the preselected temperature remains constant at all times.
 Perfectly grounded tip.
 Wide range inter-changeable long life Solder Bits.
 Ceramic heater with concealed temperature sensor provides excellent insulation, minimum heat loss and superior thermal recovery for quick and efficient work.
  Ultra slim, very light weight and thinner grip Soldering Iron with burn proof  highly resistant Silicon Cable guarantees comfortable handling of the Iron.