Special measuring block for Shore hardness tester - measuring instrument

Special measuring block for Shore hardness tester - measuring instrument

The special measuring block for AO type Shore hardness tester complies with JJF1312-2011 "Calibration Specification for AO type Shore hardness tester". The calibration needle extension length is (1.25 ± 0.004) mm, (2.52-00.004) mm, and (2.48+0.0004) mm. There is a through-hole with a diameter of about 6mm in the center of the special measuring block.

The special measuring block for A-type Shore hardness tester complies with JJG304-2003 Verification Regulations for A-type Shore hardness tester. The dimensions of the measuring block for the extension length of the pressure needle and the measuring indicator device are 2.54-0.006mm, 2.46+0.006mm, and 1.25 ± 0.006mm, with a through hole with a diameter of 3mm in the center.

The special gauge blocks for D-type Shore hardness tester comply with JJG 1039-2008 Verification Regulations for D-type Shore hardness tester. The dimensions of the gauge blocks for needle extension length, measurement indicator device, and needle durability are (2.54-0.004) mm, (2.46+0.004) mm, (2.00 ± 0.004) mm, and (1.25 ± 0.004) mm. There is a through-hole with a diameter of 3mm in the center. Flat steel block (1200~1300) HV1 surface roughness Ra ≤ 0.2 μ m, flatness ≤ 2.0 μ m.

Special measuring block for Shore hardness tester - measuring instrument

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