Olympus EPOCH 6LT, Руководство пользователя

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DMTA-10083-01EN, Rev. 3, June 2017
Specifications 47
Units Millimeters, inches, or microseconds
Range 4.31 mm to 6700 mm at 5900 m/s (0.2320 in./µs)
Velocity 635 m/s to 15 240 m/s (0.0250 in./µs to 0.6000 in./µs)
Zero offset 0 µs to 750 µs
Display delay − 10 µs to 2203 µs
Refracted angle 0° to 85° in 0.1° increments, then jumps to 90°
Table 10 Gates
Parameter Specifications
Measurement gates 2 fully independent flaw gates
Gate start Variable over entire displayed range
Gate width Variable from 0.040 µs to end of displayed range
Gate height Variable from 2 % to 95 % full screen height in 1 % increments
Alarms Positive and Negative Threshold/Curve, Minimum Depth
(Gate 1 and Gate 2)
Table 11 Measurements
Parameter Specifications
Measurement display locations 5 locations available (manual or auto selection)
Gate (1, 2) Thickness, Soundpath, Projection, Depth, Amplitude,
Time-Of-Flight, Min./Max. Depth, Min./Max. Amplitude
Echo-to-echo Standard Gate 2 - Gate 1
Other measurements Overshoot (dB) value for DGS/AVG, ERS (equivalent
reflector size) for DGS/AVG, AWS D1.1/D1.5 A, B, C, D
values, Reject Value, Echo to Ref dB values
DAC/TCG Standard
DAC points Up to 50 points, 110 dB dynamic range
Special DAC modes Custom DAC (up to 6 curves), 20–80 % View
Curved surface correction Standard OD or Bar correction for Angle Beam
measurements
Table 9 Calibration (continued)
Parameter Specifications