How to use Extech Instruments model 407123 with Labview 7.1

I'm pretty new to Labview.  With the help of this forum, I was able to configure my DAQpad 6020E with my Labview 7.1.

Now, I'm looking at using an Extech Instruments Thermo-anemometre to hot wire (407123) in my experience and it works through Labview.  According to my research, I was led to believe that I have to use the Instrument i/o Assistant and NI-Visa, but I'm having a lot of difficulties.  First, the thermo-anemometre is wired for a RS232 interface and I connected to an interface RS232 converter USB, which is then plugged into my computer.  I have the driver for the converter.  When I plug the thermo-anemometre into my computer, MAX it reads as a serial port and it is listed as COM3.  MAX argues that the device works properly.  However, when I run e/s and Labview Instrument wizard say to read the data, I get an error of bff0015 and it says that the device has expired.  I tried to change the time and I still get the same error.  I guess that means that Labview and my device are not communicating.

I saw a mention of the pilots of the instrumentation, but I could not find my particular device.  I guess that's the root of my problem and that if I had an instrument driver to run my device in Labview that it works correctly.  So here are my questions.

(1) what should I take data by a third party thermo-anemometre in Labview?

(2) am I correct in thinking I need some kind of driver instruments?  And if so, where could I find one (I have already searched for one and he did not)?

(3) is possible and practical to take data through an instrument of party DAQpad Labview and a third at the same time?

(4) are there guides or tutorials that I could use that can show me how to do what I'm doing?

Thank you.


Tags: NI Software

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