NOVOTEST T-UD3 Operating Manual
Also see for T-UD3: Operating manualOperating manual
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Contents
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NOVOTEST.ED.Т-UD3.000 OMOperation ManualHardness Tester NOVOTEST T-UD3Page. 463.2.5 Determination of the basic error of the instrument on the scale HB1. Select the hardness measurement on the HB scale.2. Select the statistics measurement mode.3. Carry out at least 3 measurements of HBi on hardness measures (Excluding explicitmeasurement errors).4. Determine the basic error of hardness measurement on the HB scale by the formula:, (2)where n is the number of measurements.5. Select the hardness measurement on the scale of user. НB.6. Select the statistics measurement mode.7. Make at least 3 measurements of НBi on hardness test blocks (excluding explicit measurementerrors).8. Determine the basic error of hardness measurement on the HB scale by the formula (2).9. If the error exceeds the allowable value (Table 1.2), then it is necessary to calibrate the userscale according to p. 2.3.7.10. Repeat operations 6 through 8.11. The basic error of hardness measurement for the HB scale and in the scale of use. HB shouldnot exceed ± 10,0 НRB.3.2.6 Determination of the basic error of the instrument on the scale НV1. Select the hardness measurement on the НV scale.2. Select the statistics measurement mode.3. Carry out at least 3 measurements of НV on hardness measures (Excluding explicitmeasurement errors).4. Determine the basic error of hardness measurement on the НV scale by the formula:, (3)where n is the number of measurements.5. Select the hardness measurement on the scale of user. НV.6. Select the statistics measurement mode.7. Make at least 3 measurements of НV on hardness reference blocks (excluding explicitmeasurement errors).8. Determine the basic error of hardness measurement on the НV scale by the formula (3).9. If the error exceeds the allowable value (Table 1.2), then it is necessary to calibrate the userscale according to p. 2.3.7.10. Repeat operations 6 through 8.11. The basic error of hardness measurement for the НV scale and in the scale of use. НV shouldnot exceed ± 15,0 НV. |
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