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RPM Indicators
Frequency Indicators
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Manufacturer & supplier of
RPM Indicators, Frequency Indicators .

RPM Indicators

nippon 6060 Is an accurate digital speed (R.P.M.) indicator for measuring R.P.M., rates per minute.... etc It is widely used in centrifuges, stirrers, pharmaceutical and laboratory equipments, digital read outs, control panels, drives, textiles, chemicals plants.... etc. Wide range from 10 to 9,999 R.P.M.

  • Accepts inputs like proximity switch, photo sensors, voltage pulses...
  • P.L.L. Multipliers and quartz crystal timebase.
  • Accuracy ± 1 R.P.M.
  • No mechanical moving parts.


An output coming from a transducer is filtered, signal conditioned and chopped. Finally it is converted into square waves. The square wave is passed through RLL multipliers. This output is gated by a precise time base generated through piezo crystals and then counted. This counts are displayed on bright LED's .... It's nothing but R.P.M. with accuracy of±1 R.P.M.!!!


A) RLL circuitry requires minimum 2.5 pulses per second i.e. 2.5 x 60 = 150 R.P.M. It's lower limit. If more than one pulse is given in one rotation then lower limit is reduced, eg if 2 pulses in one rotation than 75 R.P.M. i.e. If n pulses per rotation can give measurement of 150 * R.P.M.
B) 60 tooth gear wheel can give R.P.M. upto 10.

Address: Nippon Instruments (India) pvt. ltd.
301/302B, Alankar Industrial Estate,
Near Virwani Indl. Estate,
Off Aarey Road, Goregaon (East), Mumbai - 400063.
Tel : 022-28755867


RPM Indicators, Frequency Indicators

RPM Indicators | Frequency Indicators


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