Model MSM is disigned to accept a frequency count input type & MSN for ananalog input type of DC or AC voltage. Both units are with singnal conditioning from customer specified range, according to the used sensors defined to a reading of rpm, speed, fluid etc. The available customer specified inputs are of wide ranges for model MSM : span from minimum 50Hz to maximum 40KHz of maximum scale of 9999 reading counts, for model MSN span from 100 mv to 1000 vdc or AC vrms with maximum scale of 3999 counts. MSM also provides an exciting DC voltage output, 12 volts, as sensor simultaing source for field application. | 
