| CALIBRATION BLOCKS |
|---|
| Order Code | Shape (not to scale) |
Type | Description/ Application |
Standard made to |
Material/ size |
|---|---|---|---|---|---|
| V1 |  |
A2 (BS) |
I.I.W. Calibration Standard. Calibration of shear and compression wave probes. Checking beam angle, emergent point and resolution. Calibration of time base and gain settings. |
B.S. 2704 DIN 54120 IIW (international institute 0f Welding) |
Steel 25 x 100 x 300 mm |
| V1/50 |  |
A2 (BS) |
Generally as V1. |
B.S. 2704 | Steel 50 x 100 x 300 mm |
| V2 (Specify hole diameter) |
 |
A4 (BS) |
Small calibration block for site checking of shear wave probes, time base and gain. 1.5mm or 5mm diameter hole target. |
B.S. 2704 IOW (Institute of Welding) |
Steel 12.5 x 43 x 75 mm |
| V2/20 (Specify hole diameter) |
 |
A4 (BS) |
Generally as V2. |
B.S. 2704 | Steel 20 x 43 x 75 mm |
| BCB |  |
A5 (BS) |
Beam calibration Block. Beam profile and resolution checks for shear wave probes. Sensitivity checks for shear and compression probes. 9 off 1.5mm holes. |
B.S. 2704 | Steel 50 x 75 x 305 mm |
| A6 |  |
A6 (BS) |
Evaluating dominant frequeny, pulse, length, dead zone and resolving power for shear and compression probes as BS4331 part 3, 1974 |
B.S. 2704 | Steel 25 x 50 x 150 mm |
| RTB |  |
A7 (BS) |
Checking shear wave probe resolution as BS4331 part3, 1974. Steps of 2, 3, 4 and 5mm. |
B.S. 2704 | Steel 74mm radius 75mm thick |
| LSW |  |
SPECIAL | Ladder step wedge for timebase calibration with thickness measuring compression probes. 8 steps from 1mm to 8mm. |
Tolerance of +0.000mm -0.040mm |
Steel 8 x 15 x 120 mm |
| LSW/M |  |
SPECIAL | Generally as LSW with 1.5mm diameter steel inserts mounted in plastic 8 steps from 1mm to 8mm. |
Tolerance of +0.000mm -0.040mm |
Steel inserts Plastic body 10 x 20 x 140 mm |
| CSW |  |
SPECIAL | Curved Step wedge for timebase calibration of thickness measuring probes. 5 steps - 2, 4, 6, 8 and 10mm.. |
Tolerance of +0.000mm -0.040mm |
Steel 100mm long x 30mm I.D Quadrant |
| MU |  |
SPECIAL | Metric Universal Block for general purpose checking as V1 block. |
Tolerance of 0.01mm |
Steel 20 x 50 x 150 mm |
| TBR 2 125 (3) |
 |
SPECIAL | Radiused test block for calibration of boiler probes. 3 off 1.5mm holes. |
Tolerance of 0.004 inch |
Steel 20 x 25 x 165 mm |
| TBR 2 125 (5) |
 |
SPECIAL | As TBR 2 125 (3) - supplied with 5 off 1.5mm holes |
Tolerance of 0.004 inch |
Steel 20 x 25 x 165 mm |
| A5 BLANK TYPE B |
 |
ESI | Determination of signal curve and beam characterstics of single crystal probes (longer range). 1.6mm diameter hole. |
ESI 98-7 | Steel 50 x 75 x 305 mm |
| A5 BLANK TYPE C |
 |
ESI | Determination of signal curve and beam characterstics of single crystal probes (longer range). 1.6mm diameter hole. |
ESI 98-7 | Steel 50 x 75 x 305 mm |
| ESI-BCB N - A5 |
 |
ESI | Checking twin crystal probes for sensitivity. Contains four additional 1.5mm diameter holes to A5 block. |
ESI 98-2 | Steel 50 x 75 x 305 mm |
| 50 RAD |  |
ESI | Checking pulse shape of shear wave probes. |
ESI 98-2 and ESI 98-8 | Steel 50 x 50 x 150 mm |
| ASME (Specify Thickness) |
 |
ASME | Setting sensitivity levels for weld testing. Sizes and location of flaws are dependent on weld thickness. |
ASME Article 5 Fig T-546.1 | Steel Size dependent on weld thickness |
| ASME/M (Specify Thickness) |
 |
SPECIAL (ASME) |
Metric equivalent of ASME block |
Tolerance of 0.1MM |
Steel Size dependent on weld thickness |
| DAC (Specify Thickness) |
 |
SPECIAL | Setting DAC characteristics for shear wave and compression wave probes. Flaws typically 1.5mm diameter holes at 20%, 40%, 60% and 80% of thickness. |
Tolerance of 0.004 inch |
Steel Size dependent on product thickness |
NDT || Overview || Straight Condact(W, P, K) ||
Face Straight(P, K) || Shearwave(P, K) || Miniature |