Test real-time data acquisition with DT470-SD
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Test real-time data acquisition with DT470-SD
Block diagram for the reading of the thermometer:
The supply voltage for the converter V/I is given by the channels Out0 and Out1 (+10V and -10V respectively, through Labview).
The Voltage Vin is calibrated to generate the appropriate I+ for the thermometer.
Attention:
The converter is inverting, and the output voltage is negative.
Data acqisition:
The probe was positioned in a place at room temperature,
and we have acquired in real time the following data (channel DF0):
Conclusions and observations:
- The data acquisition system is functioning;
- The data acquired have an acceptable performance;
- The temperature has a variation of about 4K;
- The conditions of detection were not optimized;
Next step:
- Optimizing detection of temperature;
- Make sure the temperature is more centered and less variable.
The supply voltage for the converter V/I is given by the channels Out0 and Out1 (+10V and -10V respectively, through Labview).
The Voltage Vin is calibrated to generate the appropriate I+ for the thermometer.
Attention:
The converter is inverting, and the output voltage is negative.
Data acqisition:
The probe was positioned in a place at room temperature,
and we have acquired in real time the following data (channel DF0):
Conclusions and observations:
- The data acquisition system is functioning;
- The data acquired have an acceptable performance;
- The temperature has a variation of about 4K;
- The conditions of detection were not optimized;
Next step:
- Optimizing detection of temperature;
- Make sure the temperature is more centered and less variable.
Alessandro- Posts : 42
Join date : 2008-12-11
Location : Roma
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