Calibration Blocks - Ultrasonic - Eddy Current - Standards - Specials
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 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 |
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 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 |
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 |
Eddy
Current Calibration Blocks |
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| Standard
Test Block 0.2mm, 0.5mm, 1.0mm Deep Notches. Supplied in any material |
Profiled notches in curved samples | Notches
in Tubes and Bars Longitudinal and transverse inner and outer surfaces |
Precision
Spark Erosion & Machining of Notches & Holes |
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Special
Calibration Blocks |
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| Stepped
Bar Samples with flat bottomed holes. Up to 400mm bar diameter |
ASTM
Area Amplitude Set Specify hole sizes, depths and materials. |
Rail
Testing Blocks Specify hole sizes and positions |
Full
Machining of Blocks to Customer Requirements - From 2gm to
200Kg |
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We Manufacture all ultrasonic and eddy current calibration blocks - standards and specials. Certification included in price. Lightweight carrying cases for V1, V2, and BCB Blocks.
A Calibration Block Wall Chart With The Above Information can be downloded here
'Specials Are Our Specialty'