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Hypertherm Sensor THC


The Sensor THC is a full featured torch height control system specifically designed to integrate with Hypertherm Automation's shape cutting controls.

The Sensor THC incorporates the latest advancements in system integration and hardware reliability. With integrated SoftMotion and closed loop servo control, the Sensor THC simply outperforms the competition.

The result is an easy to use height control that can significantly increase the productivity and profitability of your shape cutting operation.


  • Complete built-in test for easy hook-up, system test, and configuration.
  • Built in user programmable process control parameters for initial height sense, plasma arc volts, torch height Disable, automatic kerf crossing detection, skip IHS, and IHS offset
  • Automatic retry on arc transfer error
  • Complete servo loop adjustments including proportional, integral, derivative, and feed-forward gains
  • Arc voltage range 50-300 VDC in 0.5 volt increments
  • Initial height sense can be done with ohmic contact or position error stall detection
  • Manual or full automatic height control
  • Auto Arc Voltage Set
  • Preflow during IHS.
  • Support for arc style marking torches


Hardware specifications

  • 100-watt Yaskawa AC Servo drive and motor rated at 0.9 amp continuous, 2.8 amp peak, 3000 RPM.
  • 12 bit analog to digital converter sampled at 1Khz interrupt rate Industrial grade low profile slide using dual bearings with wipers and integrated electrical brake. Maximum load weight 30 Lbs. (13.6 kg) optically isolated ±10VDC drive output and incremental encoder input 12.0” full stroke travel for torch positioning.
  • Slide dimensions:  25.75" H (654mm); 5.0" W (127mm); 3.0" D (76 mm)
  • Slide weight: 17lbs (7.7 kg)
  • Electronics operating environment: 0 to 50°C (32 to 122"F); 95% relative humidity (non-condensing)

Sensor THC Options

  • Pneumatic break away torch mount
  • Torch mounting blocks

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