The Brinell hardness tester incorporates the latest load cell technology. The test load is applied via a closed-loop control unit with a load cell, a DC motor and an electronic measurement and control unit. The result is highly accurate Brinell hardness measurements at all test loads up to 0.5%. The common load overshoot or undershoot as known from traditional dead weight, or open-loop, systems is eliminated. The absence of mechanical weights not only eliminates friction problems but also makes the equipment less sensitive to misalignments caused by vibrations.
|Hardness Range(HBW)||Error (％)||Repeatability(％)|
|≤ 125||± 3.0||≤ 3.0|
|125 < HBW ≤ 225||± 2.5||≤ 2.5|
|> 225||± 2.0||≤ 2.0|
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