Ronaldo,
I just did a search of the web (and of NI resources), and I could not find any helpful pages offering information on LabVIEW drivers for this CETA 800 equipment.
The only suggestion I have is that perhaps the manufacturer of the device may have a driver, or may perhaps know of someone who does provide one.
I hope you are able to find a LabVIEW driver for this instrument. If you end up having to write one of your own, you can visit www.ni.com/idnet to find several resources on writing your own instrument drivers.
Have a pleasant day.
Sincerely,
Darren Nattinger
Applications Engineer
National Instruments