I have written one that captures multiple channels of strain and files,also displays on graphs , with selectable channels , Let me know if you havnt found what your after yet ,
Brett
Snr Mining Engineering Technician
Western Australian School of Mines
Curtin University of Technology,
Locked Bag 22, Kalgoorlie Western Australia 6430
Ph: 08 90886159 Fax: 08 9088 6151 Mobile: 0407441251
Web http://research.wasm.curtin.edu.au/