Calibration Sheet Ultrasonic Test Equipment [PDF]

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Calibration form UT equipment NDT-UT-KAL-02 REV 1 Date: 1st September 2009 Page 1 of 1

Equipment Calibration block Angle beam probe Straight probe Procedure :

Epoch 38DL ident 003 Serienummer SN000049409 V1 MWB 45-4MHZ. MB4SN -4MHZ. kal.UT-01 rev.0

1. Linearity of the gain Use angle or straight beam probe and V1 block pos FSH bij 100mm Gain 1 80% - 6 dB 2 80% - 12 dB 3 40% + 6 dB 4 20% + 12 dB - 6 dB

Reading in FSH 40 % 20 % 81 % 81 %

Required FSH 32 tot 48 % 16 tot 24 % 64 tot 96 % 64 tot 96 %

Acceptable

= start of calibration

2. Linearity of the screen height Use angle probe and V1 block pos Gain Amplitude in % FSH Required amplitude 100 mm 200 mm 1/2 x amplitude 100mm,+/- 5 % 1 start 80% ######## nvt % tot nvt % 2 + 4 dB nvt nvt 40 % tot 52 % 3 + 2 dB 90% 45% 40 % tot 52 % 4 - 2 dB 72% 36% 31 % tot 44 % 5 - 4 dB 60% 30% 25 % tot 35 % 6 - 6 dB 40% 20% 15 % tot 25 % 7 - 8 dB 34% 16% 12 % tot 22 % 8 - 10 dB 24% 11% 7 % tot 16 % 9 - 12 dB 20% 8% 5 % tot 13 % = start of calibration

2. Linearity of the time base Use straight probe and V1 block pos Thickness Required thickness 1 25 mm 2 50 mm 48 - 52 mm 3 75 mm 73 - 77 mm 4 100 mm 5 125 mm 123 - 127mm

Acceptable -

= start of calibration

Name: Date:

Total result: Re-calibration

-

Acceptable