Calibration blocks

Key Attributes.

- - - -   | 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 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