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Version 5.01 – July 2012 / SW Version: 2012.06.12Errore. Per applicare Nadpis 1 al testo da visualizzare in questo punto, utilizzare la scheda Home.
© DRC Srl 2012
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2. Specifications
Pulser
Type
Square wave
Pulse Amplitude
Selectable from 75 to 275 Volts in 5 V steps
Pulse Width
15 to 5000 ns
Pulse Repetition Rate
10 Hz to 20 kHz
Pulser Excitation
Spike (1 pulse) or Burst (1 to 10 pulses)
Modes
SINGLE (Pulse Echo), DUAL (Dual or Through
Transmit), EMAT
Receiver
Bandwidth
0.5 to 30 MHz (at -3 dB)
Frequency Filters
Broadband, Narrowband, or Custom Selectable
Low and High Pass Filters 1.0 MHz, 2.0 MHz,
2.25 MHz, 4.0 MHz, 5.0 MHz, 10.0 MHz
Damping
Selection values: 42, 51, 180 or 1000 Ohms
Gain Control Range
0 to 111.0 dB
Gain Control Steps
Selectable 0.1, 0.5, 1.0 and 6.0 dB
Display
RF, Half-wave+, Half-wave-, Full-wave
Reject
0 to 80 % full screen height in 1 % steps
Time Base
Test Range
1.9 mm to 14353.0 mm at 200 Hz PRF in steel (for
c
L
= 5990 m/s), max. 298901 mm at 10 Hz PRF
Probe Delay Range
-10.00
µ
s to 4800.00
µ
s
Display Delay Range
-8.50
µ
s to 4774.69
µ
s
(-25 mm to 14300 mm at c
L
= 5990 m/s)
Material Velocity
1 to 19999 m/s
Angle Beam Control
Fixed settings of 0°, 30°, 45°, 60°, 70°, 80°,
or variable from 0 to 90° in 0.1° increments
Gates
Four independent gates controllable over entire sweep range
- Floating gate,
- Interface gate,
- Measuring gate – relative, absolute, amplitude, time
- Back-wall echo attenuator
Threshold
Variable 2.0 to 97.8 % of full screen
Trigger Logic
Positive or Negative
Gate Synchronization
Initial Pulse or selected interface
Analog Output