Altronic's DSG -1201 series is an advanced digital/bargraph setpoint gauge for monitoring and displaying speed or rate. The device can be used to monitor speeds of engines or other rotating equipment. The input pulse rate can originate from a C.D. ignition system, magnetic pick-up or other type of active pick-up varying from 0.5 to 500 pulses per revolution. The speed display can be at any designated ratio to the measured RPM. Power requirement is 12-36Vdc, 50mA maximum.


  • Hazardous area classification Class I, Div 2, Group D; Class I, Div 1, Group D with barrier Instrument display
  • Numerical overspeed setting
  • Instrument accuracy ±0.5%, ±1 digit 
  • Display update rate 2 times per second 
  • Ambient temperature range . -40°F to +175°F /-40°C to +80°C

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