Ultrasonic Flaw Detector Calibration Blocks Standard Test Blocks IIW V2

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
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