Profile: Oakfield Instruments Ltd is an ISO9000 certified company. We create, manufacture & supply medical electronic products & their associated control & analysis software. Our flexilog antimony pH catheters are designed for patient comfort, as well as dependable accuracy. All catheters are number marked at 5cm intervals and line marked each centimeter. Our Flowmate-2™ Uroflow measurement has an automatic start and stop, as well as simple & straightforward reporting from its own printer.