(?) (?)
精(Jing)密(Mi)常(Chang)温(Wen)恒(Heng)温(Wen)水(Shui)槽(Cao)适(Shi)用(Yong)于(Yu)生(Sheng)物(Wu)工(Gong)程(Cheng)、(?)医(Yi)药(Yao)、(?)食(Shi)品(Pin)、(?)化(Hua)工(Gong)、(?)冶(Ye)金(Jin)、(?)石(Shi)油(You)、(?)电(Dian)线(Xian)电(Dian)缆(Lan)等(Deng)领(Ling)域(Yu),(?)能(Neng)提(Ti)供(Gong)高(Gao)精(Jing)度(Du)的(De)、(?)受(Shou)控(Kong)的(De)、(?)温(Wen)度(Du)均(Jun)匀(Yun)的(De)恒(Heng)定(Ding)场(Chang)源(Yuan),(?)是(Shi)研(Yan)究(Jiu)所(Suo)、(?)高(Gao)等(Deng)院(Yuan)校(Xiao)、(?)实(Shi)验(Yan)室(Shi)、(?)质(Zhi)检(Jian)部(Bu)门(Men)理(Li)想(Xiang)的(De)恒(Heng)温(Wen)槽(Cao);试(Shi)验(Yan)方(Fang)法(Fa):试(Shi)料(Liao)经(Jing)本(Ben)槽(Cao)一(Yi)定(Ding)时(Shi)间(Jian)之(Zhi)温(Wen)水(Shui)浸(Jin)渍(Zi)试(Shi)验(Yan)后(Hou),(?)观(Guan)察(Cha)是(Shi)否(Fou)变(Bian)质(Zhi),(?)表(Biao)面(Mian)有(You)无(Wu)起(Qi)泡(Pao)、(?)褪(Tui)色(Se)、(?)膨(Peng)胀(Zhang)等(Deng)现(Xian)象(Xiang),(?)以(Yi)判(Pan)定(Ding)品(Pin)质(Zhi)好(Hao)坏(Huai),(?)亦(Yi)可(Ke)以(Yi)计(Ji)算(Suan)试(Shi)验(Yan)前(Qian)后(Hou)之(Zhi)重(Zhong)量(Liang)变(Bian)化(Hua)率(Lu),(?)电(Dian)线(Xian)可(Ke)利(Li)用(Yong)本(Ben)槽(Cao)做(Zuo)热(Re)水(Shui)中(Zhong)之(Zhi)耐(Nai)电(Dian)压(Ya)、(?)绝(Jue)缘(Yuan)电(Dian)阻(Zu)试(Shi)验(Yan)。(?)
(?) (?)精(Jing)密(Mi)常(Chang)温(Wen)恒(Heng)温(Wen)水(Shui)槽(Cao)的(De)操(Cao)作(Zuo)方(Fang)法(Fa):(?)
(?) (?)1.在(Zai)初(Chu)次(Ci)使(Shi)用(Yong)前(Qian),(?)应(Ying)先(Xian)将(Jiang)恒(Heng)温(Wen)器(Qi)电(Dian)源(Yuan)插(Cha)头(Tou)用(Yong)万(Wan)用(Yong)表(Biao)作(Zuo)一(Yi)次(Ci)安(An)全(Quan)检(Jian)查(Cha),(?)用(Yong)测(Ce)量(Liang)电(Dian)阻(Zu)之(Zhi)一(Yi)挡(Dang),(?)量(Liang)插(Cha)头(Tou)上(Shang)相(Xiang),(?)中(Zhong),(?)地(Di),(?)相(Xiang)互(Hu)之(Zhi)间(Jian)是(Shi)否(Fou)有(You)短(Duan)路(Lu)或(Huo)绝(Jue)缘(Yuan)不(Bu)良(Liang)现(Xian)象(Xiang)。(?)
(?) (?)2.按(An)规(Gui)定(Ding)加(Jia)入(Ru)蒸(Zheng)馏(Liu)水(Shui)(水(Shui)位(Wei)离(Li)盖(Gai)板(Ban)约(Yue)30-43毫(Hao)米(Mi))将(Jiang)电(Dian)源(Yuan)插(Cha)头(Tou)接(Jie)通(Tong)电(Dian)源(Yuan),(?)开(Kai)启(Qi)控(Kong)制(Zhi)箱(Xiang)上(Shang)的(De)电(Dian)源(Yuan)开(Kai)关(Guan)及(Ji)电(Dian)动(Dong)泵(Beng)开(Kai)关(Guan),(?)使(Shi)槽(Cao)内(Nei)的(De)水(Shui)循(Xun)环(Huan)对(Dui)流(Liu)。(?)
(?) (?)3.调(Diao)节(Jie)恒(Heng)温(Wen)水(Shui)槽(Cao)至(Zhi)设(She)定(Ding)温(Wen)度(Du)。(?)假(Jia)定(Ding)室(Shi)温(Wen)为(Wei)20℃(?),(?)欲(Yu)设(She)定(Ding)实(Shi)验(Yan)温(Wen)度(Du)为(Wei)25℃(?),(?)其(Qi)调(Diao)节(Jie)方(Fang)法(Fa)如(Ru)下(Xia):(?)先(Xian)旋(Xuan)开(Kai)水(Shui)银(Yin)接(Jie)触(Chu)温(Wen)度(Du)计(Ji)上(Shang)端(Duan)螺(Luo)旋(Xuan)调(Diao)节(Jie)帽(Mao)的(De)锁(Suo)定(Ding)螺(Luo)丝(Si),(?)再(Zai)旋(Xuan)动(Dong)磁(Ci)性(Xing)螺(Luo)旋(Xuan)调(Diao)节(Jie)帽(Mao),(?)使(Shi)温(Wen)度(Du)指(Zhi)示(Shi)螺(Luo)母(Mu)位(Wei)于(Yu)大(Da)约(Yue)低(Di)于(Yu)欲(Yu)设(She)定(Ding)实(Shi)验(Yan)温(Wen)度(Du)2~3℃(?)处(Chu)(如(Ru)23℃(?)),(?)开(Kai)启(Qi)加(Jia)热(Re)器(Qi)开(Kai)关(Guan)加(Jia)热(Re)(为(Wei)节(Jie)约(Yue)加(Jia)热(Re)时(Shi)间(Jian),(?)灌(Guan)入(Ru)较(Jiao)所(Suo)需(Xu)恒(Heng)温(Wen)温(Wen)度(Du)约(Yue)低(Di)数(Shu)度(Du)的(De)热(Re)水(Shui)),(?)如(Ru)水(Shui)温(Wen)与(Yu)设(She)定(Ding)温(Wen)度(Du)相(Xiang)差(Cha)较(Jiao)大(Da),(?)可(Ke)先(Xian)用(Yong)大(Da)功(Gong)率(Lu)加(Jia)热(Re)(仪(Yi)器(Qi)面(Mian)板(Ban)上(Shang)加(Jia)热(Re)器(Qi)开(Kai)关(Guan)位(Wei)于(Yu)“通(Tong)”位(Wei)置(Zhi)),(?)当(Dang)水(Shui)温(Wen)接(Jie)近(Jin)设(She)定(Ding)温(Wen)度(Du)时(Shi),(?)改(Gai)用(Yong)小(Xiao)功(Gong)率(Lu)加(Jia)热(Re)(仪(Yi)器(Qi)面(Mian)板(Ban)上(Shang)加(Jia)热(Re)器(Qi)开(Kai)关(Guan)位(Wei)于(Yu)“加(Jia)热(Re)”位(Wei)置(Zhi))。(?)注(Zhu)视(Shi)温(Wen)度(Du)计(Ji)的(De)读(Du)数(Shu),(?)当(Dang)达(Da)到(Dao)23℃(?)左(Zuo)右(You)时(Shi),(?)再(Zai)次(Ci)旋(Xuan)动(Dong)磁(Ci)性(Xing)螺(Luo)旋(Xuan)调(Diao)节(Jie)帽(Mao),(?)使(Shi)触(Chu)点(Dian)与(Yu)水(Shui)银(Yin)柱(Zhu)处(Chu)于(Yu)刚(Gang)刚(Gang)接(Jie)通(Tong)与(Yu)断(Duan)开(Kai)状(Zhuang)态(Tai)(恒(Heng)温(Wen)指(Zhi)示(Shi)灯(Deng)时(Shi)明(Ming)时(Shi)灭(Mie))。(?)此(Ci)时(Shi)要(Yao)缓(Huan)慢(Man)加(Jia)热(Re),(?)直(Zhi)到(Dao)温(Wen)度(Du)达(Da)25℃(?)为(Wei)止(Zhi),(?)然(Ran)后(Hou)旋(Xuan)紧(Jin)锁(Suo)定(Ding)螺(Luo)丝(Si)。(?)
(?) (?)4.如(Ru)需(Xu)要(Yao)用(Yong)低(Di)于(Yu)环(Huan)境(Jing)室(Shi)温(Wen)时(Shi)可(Ke)用(Yong)恒(Heng)温(Wen)器(Qi)上(Shang)之(Zhi)冷(Leng)凝(Ning)管(Guan)致(Zhi)冷(Leng),(?)可(Ke)外(Wai)加(Jia)和(He)恒(Heng)温(Wen)器(Qi)相(Xiang)同(Tong)之(Zhi)电(Dian)动(Dong)水(Shui)泵(Beng)一(Yi)只(Zhi)将(Jiang)冷(Leng)水(Shui)用(Yong)橡(Xiang)胶(Jiao)皮(Pi)管(Guan)从(Cong)冷(Leng)凝(Ning)筒(Tong)进(Jin)入(Ru)嘴(Zui)引(Yin)入(Ru)至(Zhi)冷(Leng)凝(Ning)管(Guan)内(Nei)致(Zhi)冷(Leng),(?)同(Tong)时(Shi)在(Zai)橡(Xiang)皮(Pi)管(Guan)上(Shang)加(Jia)管(Guan)子(Zi)夹(Jia)一(Yi)只(Zhi),(?)以(Yi)控(Kong)制(Zhi)冷(Leng)水(Shui)的(De)流(Liu)量(Liang),(?)用(Yong)冷(Leng)水(Shui)导(Dao)入(Ru)致(Zhi)冷(Leng)一(Yi)般(Ban)只(Zhi)能(Neng)达(Da)到(Dao)20-15℃(?)之(Zhi)间(Jian)并(Bing)须(Xu)将(Jiang)电(Dian)加(Jia)热(Re)开(Kai)关(Guan)关(Guan)断(Duan)。(?)
(?) (?)5.恒(Heng)温(Wen)器(Qi)加(Jia)热(Re)选(Xuan)用(Yong)蒸(Zheng)馏(Liu)水(Shui),(?)切(Qie)勿(Wu)使(Shi)用(Yong)井(Jing)水(Shui),(?)河(He)水(Shui),(?)泉(Quan)水(Shui)等(Deng)硬(Ying)水(Shui),(?)尚(Shang)用(Yong)自(Zi)来(Lai)水(Shui)必(Bi)须(Xu)在(Zai)每(Mei)次(Ci)使(Shi)用(Yong)后(Hou)将(Jiang)该(Gai)器(Qi)内(Nei)外(Wai)进(Jin)行(Xing)清(Qing)洗(Xi),(?)防(Fang)止(Zhi)筒(Tong)壁(Bi)积(Ji)聚(Ju)水(Shui)垢(Gou)而(?)影(Ying)响(Xiang)恒(Heng)温(Wen)灵(Ling)敏(Min)度(Du)。(?)