手持(chi)，平壓于試(shi)(shi)(shi)樣(yang)(或試(shi)(shi)(shi)件(jian))上，直至硬(ying)(ying)度(du)計(ji)底面(mian)與試(shi)(shi)(shi)樣(yang)完(wan)全(quan)接觸時立(li)即讀數，這(zhe)時指針所顯示刻度(du)即試(shi)(shi)(shi)樣(yang)(試(shi)(shi)(shi)件(jian))的硬(ying)(ying)度(du)值(zhi)。為穩定(ding)測(ce)(ce)定(ding)條件(jian)，提高(gao)測(ce)(ce)定(ding)精(jing)度(du)，應將硬(ying)(ying)度(du)計(ji)裝置(zhi)在配套生產的同(tong)型號測(ce)(ce)定(ding)架上測(ce)(ce)定(ding)。每次測(ce)(ce)定(ding)應在不同(tong)的位置(zhi)選測(ce)(ce)三點(dian)，取其平均值(zhi)。
使(shi)(shi)(shi)用(yong)前(qian)應檢查硬度(du)計(ji)的指(zhi)(zhi)(zhi)(zhi)針(zhen)在自由狀(zhuang)態下應指(zhi)(zhi)(zhi)(zhi)零位。(如指(zhi)(zhi)(zhi)(zhi)針(zhen)微(wei)量偏離零位時(shi)(shi)(shi)，可以(yi)松動(dong)右上(shang)角壓(ya)(ya)(ya)緊螺(luo)絲(si)，轉動(dong)表面(mian)，對準零位)。將硬度(du)計(ji)壓(ya)(ya)(ya)在玻(bo)璃板上(shang)時(shi)(shi)(shi)，指(zhi)(zhi)(zhi)(zhi)針(zhen)應指(zhi)(zhi)(zhi)(zhi)100度(du)。(壓(ya)(ya)(ya)針(zhen)端(duan)面(mian)與(yu)壓(ya)(ya)(ya)腳(jiao)底面(mian)嚴密接觸于玻(bo)璃板上(shang))。如不(bu)指(zhi)(zhi)(zhi)(zhi)零位和100度(du)時(shi)(shi)(shi)，可以(yi)輕(qing)微(wei)按動(dong)壓(ya)(ya)(ya)針(zhen)幾次(ci)，如仍不(bu)指(zhi)(zhi)(zhi)(zhi)零位和100度(du)時(shi)(shi)(shi)，則不(bu)能使(shi)(shi)(shi)用(yong)，如在定負荷架上(shang)使(shi)(shi)(shi)用(yong)時(shi)(shi)(shi)，可撳動(dong)手柄，使(shi)(shi)(shi)工作(zuo)(zuo)臺上(shang)升至重(zhong)錘抬起，使(shi)(shi)(shi)壓(ya)(ya)(ya)針(zhen)端(duan)面(mian)與(yu)壓(ya)(ya)(ya)足平面(mian)緊密接觸于玻(bo)璃工作(zuo)(zuo)臺時(shi)(shi)(shi)，指(zhi)(zhi)(zhi)(zhi)針(zhen)應指(zhi)(zhi)(zhi)(zhi)lOO度(du)，如不(bu)指(zhi)(zhi)(zhi)(zhi)1OO度(du)時(shi)(shi)(shi)，可調整工作(zuo)(zuo)臺平面(mian)的調節螺(luo)釘，若調整后指(zhi)(zhi)(zhi)(zhi)針(zhen)仍不(bu)指(zhi)(zhi)(zhi)(zhi)1OO度(du)時(shi)(shi)(shi)，需進(jin)一步調整好后才能使(shi)(shi)(shi)用(yong)。注：壓(ya)(ya)(ya)針(zhen)伸(shen)出(chu)量允許±0.02mm。
LX-D高硬度(du)(du)(du)橡膠(jiao)硬度(du)(du)(du)計(ji)(ji)的客戶注意：D型硬度(du)(du)(du)計(ji)(ji)裝(zhuang)置在定荷(he)架上(shang)使用時，調整工(gong)作(zuo)(zuo)臺(tai)平行(xing)度(du)(du)(du)時壓針頂端不能直(zhi)(zhi)接(jie)壓在工(gong)作(zuo)(zuo)臺(tai)玻(bo)(bo)璃(li)臺(tai)上(shang)，（或在玻(bo)(bo)璃(li)板上(shang)校對零(ling)位(wei)時），表一定要放在隨(sui)表配備的D型硬度(du)(du)(du)計(ji)(ji)表零(ling)位(wei)基準(zhun)塊上(shang)，壓針對準(zhun)基準(zhun)塊中心(xin)圓孔(kong)，使壓足平面緊(jin)密接(jie)觸于零(ling)位(wei)基準(zhun)塊時指(zhi)針指(zhi)到(dao)l度(du)(du)(du)的位(wei)置。直(zhi)(zhi)接(jie)在玻(bo)(bo)璃(li)板上(shang)校對零(ling)位(wei)，會造成損(sun)壞(huai)壓針及玻(bo)(bo)璃(li)工(gong)作(zuo)(zuo)臺(tai)損(sun)壞(huai)。
橡膠、塑(su)料(liao)試樣及調節:
橡膠及塑料試樣表面均應(ying)光滑、平(ping)整(zheng)，不應(ying)有缺(que)陷、機械損傷及雜質(zhi)。
橡膠試(shi)(shi)(shi)樣(yang)(yang)使用(yong)(yong)A型(xing)(xing)(xing)(xing)(xing)、D型(xing)(xing)(xing)(xing)(xing)和(he)AO型(xing)(xing)(xing)(xing)(xing)硬度(du)(du)(du)計(ji)測(ce)定(ding)時，試(shi)(shi)(shi)樣(yang)(yang)的(de)(de)(de)厚度(du)(du)(du)不(bu)小于(yu)(yu)6mm，寬度(du)(du)(du)不(bu)小于(yu)(yu)24mm；AO型(xing)(xing)(xing)(xing)(xing)試(shi)(shi)(shi)樣(yang)(yang)的(de)(de)(de)厚度(du)(du)(du)不(bu)小于(yu)(yu)3mm，寬度(du)(du)(du)不(bu)小于(yu)(yu)30mm；AM型(xing)(xing)(xing)(xing)(xing)試(shi)(shi)(shi)樣(yang)(yang)的(de)(de)(de)厚度(du)(du)(du)不(bu)小于(yu)(yu)1.5mm，寬度(du)(du)(du)不(bu)小于(yu)(yu)9mm。對(dui)于(yu)(yu)A型(xing)(xing)(xing)(xing)(xing)、D型(xing)(xing)(xing)(xing)(xing)和(he)AO型(xing)(xing)(xing)(xing)(xing)硬度(du)(du)(du)計(ji)，試(shi)(shi)(shi)樣(yang)(yang)厚度(du)(du)(du)不(bu)足6mm時，可(ke)以(yi)用(yong)(yong)不(bu)多于(yu)(yu)三層的(de)(de)(de)試(shi)(shi)(shi)樣(yang)(yang)進行(xing)疊(die)加；對(dui)于(yu)(yu)AM型(xing)(xing)(xing)(xing)(xing)硬度(du)(du)(du)計(ji)，試(shi)(shi)(shi)樣(yang)(yang)厚度(du)(du)(du)不(bu)足1.5mm時，可(ke)以(yi)用(yong)(yong)不(bu)多于(yu)(yu)三層的(de)(de)(de)試(shi)(shi)(shi)樣(yang)(yang)進行(xing)疊(die)加。但有疊(die)層試(shi)(shi)(shi)樣(yang)(yang)測(ce)定(ding)的(de)(de)(de)結(jie)(jie)果和(he)單(dan)層試(shi)(shi)(shi)樣(yang)(yang)測(ce)定(ding)的(de)(de)(de)結(jie)(jie)果不(bu)一(yi)(yi)定(ding)一(yi)(yi)致。
橡膠硬度(du)測(ce)定標準(zhun)實驗(yan)室溫(wen)度(du)應(ying)(ying)在(zai)23℃±2℃，試樣在(zai)試驗(yan)溫(wen)度(du)下(xia)應(ying)(ying)至(zhi)少存放(fang)16小時。
塑料試樣為正方形，邊長50mm，厚度(du)6mm，也允許(xu)用50×15mm的試樣。
塑料硬度測定溫度應為20℃±2℃，試樣在試驗溫度下(xia)放(fang)置16小時(shi)。
滄州歐譜硬度計使用完畢后，裝入儀(yi)器盒或儀(yi)器箱內。放置于(yu)燥(zao)處防止(zhi)受潮(chao)。
定荷測定架上的升降(jiang)小軸和工(gong)作臺底部，請注意(yi)經(jing)常揩擦防(fang)銹(xiu)油，涂少量防(fang)銹(xiu)油以防(fang)生銹(xiu)。
應按JJG304-89規定，定期送(song)計量檢(jian)定單位檢(jian)定。
在用戶遵(zun)守產(chan)品保(bao)管使(shi)用條(tiao)件下，從購買日(ri)起6個月(yue)內如屬(shu)產(chan)品制(zhi)造上的(de)原因而不能(neng)正(zheng)常(chang)工(gong)作，我廠負(fu)責免費(fei)為用戶修(xiu)理或調換。
