How do I synchronize my instruments output at the same time?

Hello:
I am using Labview to control a New Era Pump Systems automatic syringe pump and to record diameter measurements from a LaserMike optical comparator. My program is fully functional, the code is attached with all auxilliary files in the NE-50X folder. I mostly understand my program, I used drivers for the NE-50X pump found on the NI website to build my code and added to it as needed. My program currently does the following:
After I push the white Run button, I am prompted for a file name. After I enter one, Labview begins collecting data from the LaserMike, syringe pump and pressure transducer and outputs them to their respective numerical indicators and waveform charts. Then I can change the syringe pump flow rate and syringe diameter on the front panel. Once I push the green RUN button on the front panel, the syringe pump runs, and the balloon diameter vs. syringe volume XY graph begins to record. I can then reverse the direction of the pump and/or pause the pump however many times I like, while Labview still records diameter from the LaserMike. Pushing the red STOP button on the front panel terminates the program and stops the pump.
Here are three things I would like to change about my program that I don't know how/what to do:
1) I would like to synchronize my machines so that they are outputing at the same rate.
2) I would like to convert my strain output into PSI.
If anyone has ideas about how to do any of these three things, your help is greatly appreciated.
Attachments:
NE-50X.llb ‏994 KB
Balloon DiameterStrain.vi ‏227 KB

Hello N,
What is considered a special board? I am using a SC-2345 DAQ board. This is where my transducer is hooked into. For my syringe pump and LaserMike I have them being inputed as instruments. When you say millisec resolution does that mean that the data points will be lined up better with one another?
I would like my strain gauge to measure pressure.
Thanks!

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