When a more precise reading of early degradation of oil is desired, try the 3M™ Low Range Oil Quality Test Strips. This strip measures free fatty acid concentrations at 1%, 1.5%, 2% and 2.5%. Ideal for food processing applications or to help meet regulatory requirements. Maximize your oil life and your bottom line. Use our cost calculator to see how these test strips can save you money compared to an electronic fryer oil test device