Ultrasonic Flaw Detector DFD30
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Under a GATE and b GATE, press up or down key to choose a THRESH and b THRESH, press + or – key to make
change.
Parameter ange: 3.5%-96.5%
5.2.4 a LOGIC and b LOGIC
This menu is multipurpose for gate logic.
GATE LOGIC:
Gate logic has four options: NONE, POS, NEG, MUL.
Options:
POS:
when the echo amplitude is higher than the preset threshold of the gate, it will alarm
NEG: when the echo amplitude is lower than the preset threshold of the gate, it will alarm
Under a GATE and b GATE, press up or down key to choose a LOGIC and b LOGIC, press + or – key to make
change.
5.2.5 E to E
This function menu is for mode of E to E. If it is set on, GATE b appears on the display and achieves E to E function.
Under a GATE and b GATE, press up or down key to choose E to E, press + or – key to choose on or off.
5.3 Setting of PULS
Under A-Scan mode, press left or right direction key to set
PULS
.
5.3.1 TYPE
This functional menu is to set probe type.
PROBE TYPE:
Set ultrasonic probe. If the current probe is an echo probe, then set it to single; if it is a double-wafer probe, set it to
DUAL, and if it is a through transmission probe, set it to THRU.
Options: Straight probe: Single transducer.
Angle probe: Single transducer.
Dual:
One connector acts as a transmitter, the other acts as a receiver. The top transducer connector
is designated as the transmitter. The bottom transducer connector is designated as the
receiver.
