the ervin test machine measures both the durability (life) and transmitted energy (impact) of the abrasive, which are the two most important measures of value and quality.
適用范圍:用于模擬自行車(chē)的騎行時(shí)煞車(chē)器的路況測(cè)試,模擬晴天、雨天路面情況,測(cè)試煞車(chē)器在這類(lèi)情況下的性能。能滿(mǎn)足jis en baa和美國(guó)標(biāo)準(zhǔn)規(guī)定的相對(duì)應(yīng)測(cè)試項(xiàng)目。