Indicates the measurement to take with the analog input channel and in some cases, such as for temperature measurements, the sensor to use.

Remarks

The following table lists the characteristics of this property.

Short Name AI.MeasType
Data type ci32.png
Permissions Read Only
Resettable False
Settable While Task Is Running device-specific
Available in Run-Time Engine True
Voltage 10322
Voltage measurement.
Voltage RMS 10350
Voltage RMS measurement.
Current 10134
Current measurement.
Current RMS 10351
Current RMS measurement.
More:Voltage:Custom with Excitation 10323
Voltage measurement with an excitation source. You can use this measurement type for custom sensors that require excitation, but you must use a custom scale to scale the measured voltage.
More:Bridge (V/V) 15908
Measure voltage ratios from a Wheatstone bridge.
Frequency 10181
Frequency measurement using a frequency to voltage converter.
Resistance 10278
Resistance measurement.
Temperature:Thermocouple 10303
Temperature measurement using a thermocouple.
Temperature:Thermistor 10302
Temperature measurement using a thermistor.
Temperature:RTD 10301
Temperature measurement using an RTD.
Temperature:Built-in Sensor 10311
Temperature measurement using a built-in sensor on a terminal block or device. On SCXI modules, for example, this could be the CJC sensor.
Strain Gage 10300
Strain measurement.
Rosette Strain Gage 15980
Strain measurement using a rosette strain gage.
Position:LVDT 10352
Position measurement using an LVDT.
Position:RVDT 10353
Position measurement using an RVDT.
Position:Eddy Current Proximity Probe 14835
Position measurement using an eddy current proximity probe.
Accelerometer 10356
Acceleration measurement using an accelerometer.
Acceleration:Charge 16104
Acceleration measurement using a charge-based sensor.
Acceleration:4 Wire DC Voltage 16106
Acceleration measurement using a 4 wire DC voltage based sensor.
Velocity:IEPE Sensor 15966
Velocity measurement using an IEPE Sensor.
Force:Bridge 15899
Force measurement using a bridge-based sensor.
Force:IEPE Sensor 15895
Force measurement using an IEPE Sensor.
Pressure:Bridge 15902
Pressure measurement using a bridge-based sensor.
Sound Pressure:Microphone 10354
Sound pressure measurement using a microphone.
Torque:Bridge 15905
Torque measurement using a bridge-based sensor.
TEDS Sensor 12531
Measurement type defined by TEDS.
Charge 16105
Charge measurement.
Power 16201
Power source and measurement.
CalculatedPower 16204
Calculated power measurement.