accuracy and sensitivity range

[Ice__man]

Hi

I have a pretty basic question

When using for example 6216 DAQ in the minimum voltage range +/- 200mV the range the parameters are

Range accuracy:    0,088mV

Range sensitivity:   4,8 µV

do the same parameters on accuracy and sensitivity apply if I set the DAQ to 0 to 400mV instead of -200mV to +200 mV??

Hope this will be answered quickly;)

[JB]

No, because the board will then use the +-1V input range.

[Paul_m6]

    I have a DAQ 6009, I want to know what's the minimun range in the "Input Range
selector", I'm not sure If i can configure the range of +/-50mV for example, the manual tells me the minimun range is +/-1V, but when I write values to the minimun and maximun levels in the daq I'm allowed to write values lower than 1, for example -0.5, +0.5. I'm not sure if this range is selected by the "input range selector" in the hardware or If I'm loosing resolution. thanks.

[Dennis_Knutson]

You can pass any value you want but that does not mean that the range will be set to that. You still have the hardware limitation of the DAQ device. If you pass a min and max and see what the DAQmx driver actually sets the device to, use the channel properties AI.Min and AI.Max

[Paul_m6]

    thanks