The VAF Instruments 0611-0013 603-C39 fuel viscosity measurement device is a precision tool designed for measuring the viscosity of fuel within a range of 3-15 PSI. Manufactured by VAF Instruments in the Netherlands, this unit is reliable and accurate in providing measurements for fuel viscosity. With its single unit quantity, this product is essential for businesses and industries that require precise testing and inspection of fuel viscosity to ensure optimal performance and efficiency in their operations.