... 4.manual in English 5.easy operation Our company supply high quality MFD800C Ultrasonic Flaw Detector to our guests all over the ... are capable of being satisfied by a portable instrument. The quality, portability, durability, and dependability that you have come to ... wave, full wave, RFSystem Linearity: Horizontal: +/-0.2% FSW, Vertical: 0.25% FSH, Amplifier Accuracy +/-1 dB.Reject (suppression): 0 ...