SZD-1, 2, 21

Electric Tachometer

This instrument is mainly used for measuring the rotating speed of various engines in a long distance.Every tachometer generator can be equipped with two indicators operating imultaneously.

SZD-21 electric tachometer is equipped with an alarming mechanism, and can give alarm at over speed.

Main Technical Parameters

Accuracy class: 1.5 class

The indicator can be used normally at the ambient temperature of -20℃~+50℃and the relative humidity of less than 85%. The alarm can be used normally at the ambient temperature of 0℃~+50℃and the relative humidity of less than 85%.

Dimensions:indicator: 63×63×122.5

  tachometer generator: 48×48×130

  alarm: 113.5×53.5×105.5

weight:         indicator:0.556kg

         alarm: 0.415kg

         tachometer generator: 1.020kg

         socket:0.0173kg