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Standard Datcon Tachometers have a 270º pointer sweep, which operate on either 12 or 24 volts of direct current with reverse polarity protection. All Datcon tachometers are manufactured with a rugged meter movement incorporating a Floating Rest. This means that the tachometer pointer is free to float when power to the tachometer is removed. As voltage is applied to a properly installed tachometer the pointer will Snap to Zero.

  Accuracy Calibration ±2% of full scale at 24ºC ±3ºC at 14VDC
  Temperature Effect ±2% of full scale at -7ºC to 54ºC (19ºF to 129ºF), plus initial calibration value, with nominal voltage applied
  Voltage Effect ±1% of full scale at 12 to 32 VDC, plus initial calibration value
  Temperature Operating Range -40ºC to 85ºC
  Shock Resistance Able to withstand 12 shocks in each direction of 44-55 G’s in each of three orthogonal planes (SAE J1810)
  Transient Protection Able to withstand voltage transient ±6 times supply voltage for 300 micro-second duration (SAE J1810)
View Datcon Tachometer Range
datcon-tacho_107646
Part # 107646 108156
Size 3 – 3/8″ 3 – 3/8″
Scale 0-3000 0-4000
Signal Source Alternator Alternator
Bezel Black (Deep Drawn Bezel) Black
Dial Black Black
Sealing Front Front
Lens Flat Flat
Volt 12 / 24 12 / 24
datcon-tacho_108392
Part # 108392 71756-00
Size 3 – 3/8″ 3 – 3/8″
Scale 0-3000 0-3000
Signal Source Mag Sensor Mag Sensor
Bezel Black Black (Deep Drawn Bezel)
Dial Black Black
Sealing Front Front
Lens Flat Flat
Volt 12 / 24 12 / 24
datcon-tacho_100238
Part # 100238 103680 (Inhibited)
Size 3 – 3/8″ 3 – 3/8″
Scale 0-4000 0-3000
Signal Source Alternator Mag Sensor
Bezel Black (Deep Drawn Bezel) Black
Dial Black Black
Sealing Front Front
Lens Flat Flat
Volt 12 / 24 12 / 24
datcon-tacho_111566
Part # 111566
Size
Scale 0-4000
Signal Source Mag Sensor or Pulse Gen
Bezel Black (HD)
Dial Black
Sealing Front
Lens Flat
Volt Self Powered / 9-32V