Capacitance-type detector, arc voltage height detector. 1, Stepper motor instead of the traditional DC motor 2, The height of cutting nozzle is displayed directly in the mode of capacitance height control 3, Integration of mechanical lifting device and height controller 4, All Digital Technology 5, Simple and convenient linearization calibration 6, It can be used in tough environment 7, There are various interfaces that are easy to use 8, RS232 communication interface.SH-HC30 is the automatic control module for cutting torch height with the integration of mechanical increase and electric control specially designed for portable flame and plasma cutting machine. Please learn import duty to your country in details , and please leave us message about the invoice amount when place order to avoid the high import duty. If you need any CNC parts or repairs, welcome to contact me, we will try our best to help you. The item "Plasma Flame Cutting Machine Height Controller 220V Automatic Arc Torch Cutter" is in sale since Thursday, July 28, 2016. This item is in the category "Business, Office & Industrial\Metalworking/Milling/Welding\Welding & Soldering\Welding\Other Welding Equipment". The seller is "vipwindows_168" and is located in Shenzhen. This item can be shipped worldwide.