一、概述HYX系列數(shù)顯陶瓷吸水率測定儀是采用真空法對日用陶瓷、建筑衛(wèi)生陶瓷、電瓷、磚瓦、水泥制品的吸水率進行測定的儀器。本機符合國家標準GB/T3810.3-2006《陶瓷磚試驗方法 第3部分：吸水率、顯氣孔率、表現(xiàn)相對密度和容重的測定》和國家標準GB/T3299-1996《日用陶瓷吸水率測定方法》中對試驗設(shè)備的要求。First,outlineHYXisenumeraterevealstheceramicwater-absorptivitycryoscopeisuses真空法totheceramicsfordailyuse,thebuildingsanitaryearthenware,electricporcelaneous,thebricksandtiles,thecementproductwater-absorptivitycarriesonthedeterminationtheinstrument.ThismachineconformstonationalstandardGB/T3810.3-2006 theceramicceramictiletestingmethod□□3rdpart:Thewater-absorptivity,reveals氣孔率,theperformancerelativedensityand容重determination andnationalstandardGB/T3299-1996 CeramicsfordailyuseWater-absorptivityDeterminationMethod centertotestequipmentrequest.二、主要技術(shù)指標1、容量： 250、 4002、真空度：0.1Mpa 0.005Mpa3、抽真空時間：0～99分鐘連續(xù)可調(diào)4、注水時間：0～99分鐘連續(xù)可調(diào)5、浸泡時間：1～120分鐘連續(xù)可調(diào)6、電源：220V 180WSecond,maintechnicalspecification1,capacity:Phi250,phi4,002,vacuumdegree:0.1Mpa 0.005Mpa3,pullsoutthevacuumtime:0~99minutescontinuouslymayadjust4,pourwaterthetime:0~99minutescontinuouslymayadjust5,soakthetime:1~120minutescontinuouslymayadjust 6,thepowersource:220V180W 三、儀器的測試及組成該儀器采用機電一體化結(jié)構(gòu)，由真空容器、水循環(huán)式真空泵、注水電磁閥、進氣閥、排水閥、盛水器及數(shù)字式控制器組成。水循環(huán)真空泵具有運行噪音低，不易損壞，電耗低等特殊優(yōu)點，使該儀器具有更優(yōu)越的性能。Third,instrumenttestandcompositionThisinstrumentusestheintegrationofmachinerystructure,bythevacuumtank,thewatercycletypevacuumpump,pourswaterthesolenoidvalve,theadmissionvalve,thedraw-offvalve,ShengShuiqiandthedigitalcontrolleriscomposed.Thewatercyclevacuumpumphasthemovementnoiselowly,isnoteasytodamage,theelectricityconsumesandsoonlowlythespecialmerit,enablethisinstrumenttohaveamoresuperiorperformance.6th,powersource:220V180W 四、儀器的測試原理該儀器采用全自動數(shù)字化程序控制系統(tǒng)，無須操作機械人工進行抽水、排水、排氣的操作過程。根據(jù)所采用的國家標準對吸水率測定方法、根據(jù)所需真空度技術(shù)要求設(shè)定好預(yù)抽真空時間（抽真空時間15－20分鐘＋保持時間）、注水時間（20秒左右）、浸泡時間（日用陶瓷1小時，建筑衛(wèi)生陶瓷10分鐘）。當將已按測定方法制備好的試樣烘至恒重后稱重G，放入真空容器，關(guān)閉機器進氣閥開關(guān)和排水閥開關(guān)，啟動真空泵，通過真空泵對真空容器進行預(yù)抽真空，當真空度達到要求后，在此真空度下保持一定時間（日用陶瓷無此過程），保持時間到后，自動打開注水電磁閥，使其水徐徐注入真空容器中，直至水面滿足要求時（可實際調(diào)整時間），自動關(guān)閉注水閥，然后浸泡一定時間，浸泡時間結(jié)束，聲音自動報警，關(guān)閉電源開關(guān)。打開機器進氣閥開關(guān)，對真空容器中注入空氣，當真空表回零時，打開排水閥開關(guān)，將真空容器中的水放回水容器中，將真空容器蓋揭去，取出試樣，用已吸水飽和布揩去表面附著水，稱重G1，然后計算：G1－G0W= 100%G0W 吸水率 （%）G0 試樣干重量 （克）G0 試樣吸水后重量 （克）Fourth,instrumenttestprinciple Thisinstrumentusestheentireautomaticdigitizedprocedurecontrolsystem,doesnotneedtooperatethemachineryartificiallytocarryonpumpswater,drainingwater,theexhaustoperatingprocess.Accordingtothenationalstandardwhichusestothewater-absorptivitydeterminationmethod,thebasisneedsthevacuumdegreespecificationtoestablishthegood預(yù)抽真空time(topulloutvacuumtime15-20minutes+maintenancestime),pourswaterthetime(about20seconds),soaksthetime(ceramicsfordailyuse1hour,constructionsanitaryearthenware10minutes).AfterhasarrangedaccordingtothedeterminationmethodsystemthetestspecimendriestotheconstantweightcalledheavyG,putsinthevacuumtank,theshut-downadmissionvalveswitchandthedraw-offvalveswitch,startsthevacuumpump,carriesonthroughthevacuumpumptothevacuumtank預(yù)抽真空,afterthevacuumdegreeachievedtherequest,maintainsthecertaintimeunderthisvacuumdegree(ceramicsfordailyusenottohavethisprocess),themaintenancetimetoafter,automaticallyopenspourswaterthesolenoidvalve,causesitswaterslowlytopourintointhevacuumtank,whenthewatersurfaceanswersthepurpose(mayactualtime),theautomaticshut-offnotewatervalve,thensoakthecertaintime,soaksthetimetofinish,soundauto-alarm,closesthepowerswitch.Turnsonthemachineadmissionvalveswitch,poursintotheairtothevacuumtankin,whenthevacuumgaugereturnstothezerohour,turnsonthedraw-offvalveswitch,putsthevacuumtankinwaterinthebackwatervessel,uncoversthevacuumtanklid,takesoutthetestspecimen,withhasabsorbnwaterthesaturatedclothtowipethesuperficialattachedwater,callsheavyG1,thencomputation: G1－G0 W= 100%G0W 吸水率 （%） Water-absorptivity G0 試樣干重量 （克） Thetestspecimendoestheweight G0 試樣吸水后重量 （克） Aftertestspecimenabsoringwaterweight