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Channel measurement type


When working with the session-based interface, the MeasurementType property displays the selected measurement type for your channel.


You can only use Audio measurement type with multichannel audio devices.

Counter measurement types include:

  • 'EdgeCount' (input)

  • 'PulseWidth' (input)

  • 'Frequency'(input)

  • 'Position'(input)

  • 'PulseGeneration' (output)

Analog measurement types include:

  • 'Voltage' (input and output)

  • 'Thermocouple' (input)

  • 'Current' (input and output)

  • 'Accelerometer' (input)

  • 'RTD' (input)

  • 'Bridge' (input)

  • 'Microphone' (input)

  • 'IEPE' (input)


Create a session object, add a counter input channel, with the 'EdgeCount' MeasurementType.

s = daq.createSession('ni');
ch = addCounterInputChannel (s,'cDAQ1Mod5', 0, 'EdgeCount')
ch = 

Data acquisition counter input edge count channel 'ctr0' on device 'cDAQ1Mod5':

      ActiveEdge: Rising
  CountDirection: Increment
    InitialCount: 0
        Terminal: 'PFI8'
            Name: empty
              ID: 'ctr0'
          Device: [1x1]
 MeasurementType: 'EdgeCount'
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