1.Gas pipe and Oil tube Ultrasonic detection 2.testing: NDT ... detectionMain Technical Data Gain 0-100dB,step 0.1dBDetection channels 1,2,4,8,16, 32 Operation mode Single probe transmitter ... Vertical linearity ≤3% Horizontal linearity ≤1% Gate setting Each channel has three gates, alarm gate, tracking gate, self locking gate Delayed (marking) alarm split in ...