hbrv187.5 hbrvs-187.5 brinell durometer/rockwell durometer/brinell rockwell vicker durometer universal hardness test

Model

HBRV-187.5

Initial Testing Force

98 N

Rockwell Total Test Force

588 N, 980 N , 1471 N

Rockwell Hardness Value

HRC=20-67,  HRB=30-100,  HRA=20-85

Rockwell Test Indicating Error

≤±1HR, Value Repeatability ≤ 0.8HR

Brinell Total Test Force

306 N, 613 N, 1839 N

Brinell Hardness Value

HB=8-650

Brinell Indicating Error

≤±2.5%, Value Repeatability ≤ 3.0

Vicker Total Test Force

294 N, 980 N

Vicker Hardness Value

HV14-1000

Vicker Indicating Error

≤±2%, Value Repeatability ≤ 2.5

Amplification Of Microscope

37.5X, 75X

Max Testing Height

170 mm

The Distance Between Pressure

Head Center And The Wall

140 mm