Describes test methods for measuring the performance of pulsed Doppler ultrasound systems, and applies to tests made on overall pulsed Doppler ultrasound system which is not disassembled or disconnected, and to tests made on pulsed Doppler ultrasound systems whether they are stand-alone or as part of another ultrasound instrument. Electrical safety, acoustic output and electromagnetic compatibility (EMC) are not covered in this technical specification. It is identical with and reproduced from IEC TS 61895:1999.