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    4-Step/5-Step Calibration Block for Ultrasonic Thickness Gauge

    $238.09
    A full line ultrasonic calibration block or reference test block is provided for thickness gauge, selectable 4 step, 5 step, 6 step and 10 step UT calibration block and available in both mm and inch units. High quality calibration block is made of 1018 steel, with durable ABS carrying case.
    SKU: ATO-UT-B
    *
    Free Shipping Worldwide
    Delivery date: 6-20 days

    Calibration blocks for ultrasonic thickness gauge are available with 4 step, 5 step, 6 step and 10 step in millimeter and inch.

    Calibration Block Specification

    Model Item Parameter Size Material
    ATO-B-101-0001 4 step calibration block 3mm 5mm 10mm 15mm 80 x 20mm 1018 Steel
    ATO-B-101-0012 0.100” 0.200” 0.400” 0.600” 3.15 x 0.7in 1018 Steel
    ATO-B-101-0002 0.250” 0.500” 0.750” 1.000” 3.15 x 0.8 inch 1018 Steel
    ATO-B-101-0013 5 step calibration block 5mm 10mm 15mm 20mm 25mm 100 x 20mm 1018 Steel
    ATO-B-101-0003 0.100” 0.200” 0.300” 0.400” 0.500” 4 x 0.8 inch 1018 Steel
    ATO-B-101-0004 6 step calibration block 1mm 3mm 5mm 10mm 15mm 20mm 120 x 20mm 1018 Steel
    ATO-B-101-0005 2.5mm 5mm 10mm 15mm 20mm 25mm 120 x 20mm 1018 Steel
    ATO-B-101-0006 10 step calibration block 1mm 2mm 3mm 4mm 5mm 6mm 7mm 8mm 9mm 10mm 200 x 20mm 1018 Steel
    ATO-B-101-0007 2mm 4mm 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm 200 x 20mm 1018 Steel
    ATO-B-101-0008 0.100” 0.200” 0.300” 0.400” 0.500” 0.600” 0.700” 0.800” 0.900” 1.000” 8 x 0.8 inch 1018 Steel
    ATO-B-101-0009 5 step calibration block 2.5mm 5mm 10mm 15mm 20mm 100mm 1018 Steel

    Tips: Why you need a calibration block for ultrasonic thickness gauge?

    The ultrasonic thickness gauge is used to accurately measure the thickness of different materials under different conditions. In order to meet the requirements of the maximum accuracy measurement, a set of reference test blocks or calibration block will be very important. The closer the material of the calibration block is to the material to be tested, the more accurate the measurement. The ideal reference test block is a set of test pieces of different thicknesses of the material to be tested. The calibration block can offer the UT instrument compensation correction factors.

    In most cases, using one calibration block can obtain satisfactory measurement accuracy. This reference test block should have the same material and similar thickness as the tested material.

    For thin materials, when its thickness is close to the lower limit of probe measurement, the calibration block can be used to determine the exact lower limit. Do not measure materials below the lower limit of thickness. If a thickness range can be estimated, the upper limit should be chosen for the thickness of the calibration block.

    As for the thick material to be tested, especially for alloys with complex internal structures, the one among the reference block that is close to the tested material should be selected, so as to facilitate calibration.

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