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Rail Way Ultrasonic Portable Flaw Detector For Rail Flaw Detection, Calibration And Welds Inspection GCT-8
Rail Way Flaw Detector GCT-8
GCT-8 Rail Ultrasonic Flaw Detector is a brand new digital barrow-style ultrasonic equipment of flaw detection. It is used to detect all kinds of flaws in rail materials ranged from 43kg/m～75kg/m. It is a new type of practical, dependable instrument of rail flaw detection.
This instrument fits in with the Railway Field Standard of People’s Republic of China TB/T 2340---2000 Technological Terms and Conditions ofMulticenter A Scope Rail Ultrasonic Flaw Detection Instrument.
In order to enable you to master the operational skills of the instrument, please read through this User’s Manual carefully before using the instrument.
GCT-8 is a digital flaw detector; it can be used for rail flaw detection, calibration and welds inspection, as well as Ultrasonic B checking.
1.Detecting Channels : 8(contain 1 Calibration channel)
2.Working Frequency: 2MHz
3.Repetition rate: 300 Hz
0~200±4mm for 43kg/m and 50kg/m rail,(Route way A～G)
0～250±5mm for 60kg/m and 75kg/m rail(Route way A～G)
0～100±2mm for K2.5(Route way H)
0～200±4mm for K0,K1,K1.5,K2.5(Route way H)
0～300±6mm for K0.8,K1(Route way H)
5. Sensitivity allowance:
70° channel, sensitivity allowance＞40dB
37° channel, sensitivity allowance＞46dB
0° channel, sensitivity allowance＞46dB
≥16dB (restraining small) 2~6dB (restraining small)＞26dB
7. Horizontal linear error: <2%
8. Vertical linear error: <15% for rail testing mode, <5% for hand testing mode
9. Gain range: 0 ~ 80 dB
10. Attenuation error: less than 1dB per 12dB
11. Alarm Threshold level:positive signal level 70%±10%,loss of signal <30%
of screen for rail testing. >50% for hand test operation.
12. Automatic gain error: <4dB
13. Number of files that can be saved: >2000
14. Time for each file: less or equal 60 minutes
15. Operation voltage: 24V
16. Power consumption: 9W
17. Operation temperature: -40 ~ 122oF
18. Tank size: 20L
19. Weight: 28kg
20. Main frame size: 750*800*350
The instrument size: 350*150*230
Contact Person: vito