NDT Equipment Banner
NDT Vertical Rule

Calibration Blocks - Ultrasonic - Eddy Current - Standards - Specials

Order Code
Shape
(Not to Scale)
Type
Description
/Application
Standard Made To
Material Size
V1
A2 Calibration Block
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 Calibration Blocks
A2
(BS)
Generally as V1. Thicker block minimises side wall echoes.
BS 2704

Steel

50x100x300mm

V2
(Specify hole diameter)
A4 Calibration Blocks
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 Calibration Blocks
A4
(BS)
Generally as V2. Thicker block eliminates side wall echoes. 1.5mm or 5mm diameter hole target.
BS 2704

Steel

20x43x75mm

BCB
A5 Calibration Block
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 Calibration Block
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 Calibration Blocks
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 Calibration Blocks
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 Calibration Blocks
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 Calibration Blocks
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 Calibration Block
SPECIAL
Metric Universal Block for general purpose checking as V1 block.
Tolerance of 0.1mm

Steel

20x50x150mm

TBR 2 125 (3)
Special Calibration Block
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 Calibration Block
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 Calibration Block
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 Calibration Block
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 Calibration Blocks
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 Calibration Blocks
ESI
Checking pulse shape of shear wave probes.
ESI 98-2 and
ESI 98-8

Steel

50x75x150mm

ASME
(Specify Thickness)
ASME Calibration Blocks
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 Calibration Blocks
SPECIAL
(ASME)
Metric equivalent of ASME block.
Tolerance of 0.1mm

Steel

Size dependent on weld thickness

DAC
(Specify Thickness)
Special Calibration Blocks
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
Eddy Current Calibration Block
Eddy Current Calibration Block
Eddy Current Calibration Block
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

Special Calibration Blocks
Special Calibration Block
Special Calibration Block
Special Calibration Block
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

  • Calibration Block material is ultrasonically tested before use.
  • Rough machined samples are heat treated and checked for acoustic characteristics.
  • All blocks supplied with certification and optional cases.
  • Most standard blocks are ex stock - special are our specialty

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 is Available

'Specials Are Our Specialty'

NDT Vertical Rule
[Company Profile] [Service Calibration] [Calibration Blocks] [Hire Equipment] [Consumables] [Portable Equipment] [Wohler Service Cameras]
[Larger Equipment] [Guided Wave] [X-ray Systems] [Inspection Systems] [Isotope Centre] [Refurbished] [ Contact Us]
 
NDT Home Contact NDT NDT Profile web hosting