USB 6251for 3 channel, 2k Hz sampling using queues: the actual sampling rate

[Jaseon]

 In my DAQmx, I set the sampling rate at 20 kHZ (Picture 1 ), but the data I acquired was sampled at 10Hz rate (Picture 2).

Who can help me? Thank you.

My VI is attached.

[Dennis_Knutson]

Duplicate
http://forums.ni.com/t5/Multifunction-DAQ/The-sampling-rate-is-not-as-what-I-set/m-p/2757688