Give AISAT Instruments a go.
They are in Welshpool, and specialise in instruments ect.
They should be able to help you.

Unit 4 1-9 Kurnall Road Welshpool
Western Australia
Phone +61 8 9350 5545
Fax +61 8 9451 4808
aisat@aisat.com.au

__________________
_____________________________________________
" IF YOU'RE NOT FIRST YOU'RE LAST " - RICKY BOBBY