|
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 of Welding) |
Steel
25x100x300mm |
|
V1/50 |
|
A2
(BS) |
Generally as V1. Thicker block minimises side wall echoes. |
BS 2704 |
Steel
50x100x300mm |
|
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 |
BS 2704
IOW (Institute of Welding) |
Steel
12.5x43x75mm |
|
V2/20
(Specify hole diameter) |
|
A4
(BS) |
Generally as V2. Thicker block eliminates side wall echoes. 1.5mm or 5mm diameter hole target. |
BS 2704 |
Steel
20x43x75mm |
|
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. |
BS 2704 |
Steel
50x75x305mm |
|
A6 |
|
A6
(BS) |
Evaluating dominant frequency, pulse, length, dead zone and resolving power for shear and compression probes as BS4331 part 3,1974. |
BS 2704 |
Steel
25x50x150mm |
|
RTB |
|
A7
(BS) |
Checking shear wave probe resolution as BS4331 part 3, 1974. Steps of 2,3,4 and 5mm. |
BS 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
8x15x120mm |
|
LSW/M |
|
SPECIAL |
Generally as LSW with 15mm diameter steel inserts mounted in plastic. 8 steps from 1mm to 8mm. |
Tolerance of +0.000mm-
-0.040mm |
Steel inserts
Plastic body
10x20x140mm |
|
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 0.1mm |
Steel
20x50x150mm |
|
TBR 2 125 (3) |
|
SPECIAL |
Radiused test block for calibration of boiler probes. 3 off 1.5mm holes. |
Tolerance of 0.004 inch |
Steel
20x25x165mm |
|
TBR 2 125 (5) |
|
SPECIAL |
As TBR 2 125(3) - supplied with 5 off 1.5mm holes |
Tolerance of 0.004 inch |
Steel
20x25x165mm |
|
A5 Blank Type B |
|
ESI |
Determination of signal curve and beam characteristics of single crystal probes (longer range). 1.6mm diameter hole. |
ESI 98-7 |
Steel
50x75x305mm |
|
A5 Blank Type C |
|
ESI |
Determination of signal curve and beam characteristics of single crystal probes (longer range). 1.6mm diameter hole. |
ESI 98-7 |
Steel
50x75x305mm |
|
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
50x75x305mm |
|
50 RAD |
|
ESI |
Checking pulse shape of shear wave probes. |
ESI 98-2 and
ESI 98-8 |
Steel
50x75x150mm |
|
ASME
(Specify Thickness) |
|
ASME |
Setting sensitivity levels for weld testing. Sizes and locations 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 0.0004 inch |
Steel
Size dependent on product thickness |
