恒溫槽試驗報告

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溫度校準用恒溫槽技術(shù)性能測試規(guī)范試驗報告溫度校準用恒溫槽技術(shù)性能測試規(guī)范修訂小組2019年8月試驗?zāi)夸浺弧?恒溫槽溫場穩(wěn)定性試驗二、 鉑熱電阻穩(wěn)定性試驗三、 標準鉑電阻溫度計不同浸沒深度下的漏熱影響試驗四、 不同溫度計熱響應(yīng)時間（升降溫速率）試驗 五、 恒溫槽技術(shù)性能測試一 恒溫槽溫場穩(wěn)定性試驗1 試驗?zāi)康?了解恒溫槽在穩(wěn)定狀態(tài)下，內(nèi)部各位置之間的溫差（溫場性能）隨時間變化狀況，以確定科學、合理的溫場測試方法。2 試驗設(shè)備四線制A級鎧裝鉑電阻溫度計9支；電測設(shè)備（溫度巡檢儀,型號：暫缺 ，編號：暫缺），分辨力0.001；恒溫槽三臺，編號和溫度范圍見表1。表1 恒溫槽溫場性能恒溫槽型號恒溫槽編號溫度暫缺暫缺-80 暫缺暫缺100 暫缺暫缺300 3 試驗方法3.1將4支溫度計（編號1-4）的底端放置在距液面15cm的水平面上，1支溫度計（編號5）的底端置于距液面30cm的水平面中心位置，4支溫度計（編號6-9）的底端放置在距液面45cm處的水平面上。待溫度穩(wěn)定后，測試各溫度計數(shù)值，每30秒間隔測試一遍。持續(xù)測試4次。 觀察各位置點的溫度變化幅度。3.2 將4支溫度計（編號1-4）的底端放置在距液面15cm的水平面上，1支溫度計（編號5）的底端置于距液面30cm的水平面中心位置，4支溫度計（編號6-9）的底端放置在距液面30cm處的水平面上，待溫度穩(wěn)定后，測試各溫度計數(shù)值，每30秒間隔測試一遍。持續(xù)測試4次。首先計算各位置點的溫度變化，最后計算所有溫度變化的最大幅度。4 試驗人員 李穎、 ，大連市計量檢測研究院有限公司，2019年3月-4月5 測試記錄5.1測試溫度-80 序號時間#1()#2()#3()#4()#5()#6()#7()#8()#9()111:03:27-79.995-80.030-80.081-80.028-80.047-80.009-80.010-80.002-80.003211:04:27-79.997-80.029-80.079-80.028-80.045-80.008-80.008-80.003-80.000311:05:27-79.996-80.027-80.078-80.029-80.046-80.010-80.010-80.002-80.001411:06:27-79.998-80.030-80.077-80.027-80.046-80.008-80.008-80.003-80.001511:07:27-79.999-80.031-80.078-80.027-80.048-80.008-80.009-80.003-80.001611:08:27-79.998-80.030-80.079-80.028-80.046-80.009-80.011-80.002-80.002711:09:27-79.996-80.031-80.079-80.029-80.045-80.008-80.009-80.003-80.000811:10:27-79.997-80.031-80.080-80.030-80.048-80.011-80.010-80.001-80.002911:11:27-79.995-80.031-80.081-80.031-80.045-80.010-80.008-80.003-80.0001011:12:27-79.999-80.030-80.078-80.027-80.046-80.010-80.010-80.002-80.0021111:13:27-79.997-80.030-80.077-80.028-80.045-80.010-80.010-80.002-80.0011211:14:27-79.995-80.031-80.079-80.029-80.046-80.011-80.011-80.001-80.0021311:15:27-79.995-80.032-80.078-80.028-80.048-80.011-80.011-80.000-80.0031411:16:27-79.998-80.030-80.078-80.027-80.045-80.009-80.009-80.002-80.0001511:17:27-79.996-80.029-80.081-80.028-80.046-80.008-80.009-80.002-80.0011611:18:27-79.995-80.028-80.079-80.029-80.047-80.011-80.011-80.000-80.0021711:19:27-79.995-80.031-80.079-80.030-80.046-80.009-80.009-80.002-80.0011811:20:27-79.995-80.027-80.081-80.029-80.046-80.008-80.008-80.002-80.0001911:21:27-79.996-80.031-80.078-80.031-80.047-80.011-80.011-80.000-80.0032011:22:27-79.994-80.032-80.080-80.029-80.046-80.009-80.009-80.002-80.0012111:23:27-79.995-80.031-80.080-80.029-80.046-80.010-80.011-80.001-80.0002211:24:27-79.994-80.032-80.078-80.031-80.045-80.008-80.008-80.003-80.0022311:25:27-79.996-80.030-80.077-80.027-80.047-80.010-80.010-80.002-80.0022411:26:27-79.998-80.030-80.078-80.028-80.045-80.008-80.008-80.002-80.0012511:27:27-79.999-80.031-80.081-80.031-80.048-80.010-80.011-80.001-80.0022611:28:27-79.996-80.029-80.079-80.029-80.046-80.008-80.009-80.002-80.0012711:29:27-79.997-80.031-80.080-80.028-80.045-80.008-80.008-80.003-80.0012811:30:27-79.994-80.032-80.079-80.029-80.046-80.011-80.009-80.002-80.0012911:31:27-79.995-80.032-80.078-80.030-80.046-80.010-80.010-80.001-80.0033011:32:27-79.998-80.032-80.079-80.029-80.046-80.009-80.010-80.002-80.000最大變化0.0050.0050.0040.0040.0030.0030.0030.0030.0030.002 試驗結(jié)論：在-80時，恒溫槽正常運行狀態(tài)下，30min內(nèi)，主要測試位置的溫度的變化之差不大于0.001，遠小于恒溫槽水平溫差0.01、 垂直溫差0.02的技術(shù)要求。 5.2測試溫度-80 序號時間#1()#2()#3()#4()#5()#6()#7()#8()#9()111:45:04-79.999-80.031-80.079-80.029-80.047-80.011-80.011-80.000-80.003211:46:04-79.997-80.031-80.077-80.027-80.046-80.012-80.012-80.001-80.002311:47:04-79.995-80.033-80.078-80.026-80.048-80.010-80.011-80.001-80.002411:48:04-79.996-80.032-80.079-80.028-80.046-80.009-80.009-80.002-80.001511:49:04-79.998-80.031-80.078-80.028-80.045-80.008-80.009-80.003-80.000611:50:04-79.996-80.030-80.077-80.026-80.044-80.008-80.009-80.003-80.001711:51:04-79.994-80.030-80.079-80.028-80.045-80.007-80.009-80.003-80.001811:52:04-79.996-80.030-80.078-80.028-80.047-80.008-80.008-80.003-80.000911:53:04-79.997-80.032-80.076-80.027-80.046-80.010-80.010-80.002-80.0021011:54:04-79.998-80.034-80.079-80.030-80.048-80.009-80.010-80.002-80.0011111:55:04-79.994-80.032-80.080-80.029-80.046-80.009-80.010-80.002-80.0011211:56:04-79.996-80.031-80.079-80.028-80.044-80.008-80.009-80.002-80.0011311:57:04-79.997-80.031-80.077-80.027-80.046-80.011-80.010-80.002-80.0021411:58:04-79.995-80.033-80.080-80.026-80.047-80.009-80.009-80.002-80.0011511:59:04-79.994-80.031-80.078-80.029-80.046-80.008-80.008-80.002-80.0001612:00:04-79.998-80.032-80.079-80.030-80.047-80.007-80.010-80.002-80.0021712:01:04-79.996-80.031-80.077-80.029-80.045-80.008-80.008-80.003-80.0001812:02:04-79.998-80.032-80.080-80.030-80.047-80.010-80.010-80.001-80.0031912:03:04-79.995-80.034-80.079-80.029-80.046-80.009-80.009-80.002-80.0012012:04:04-79.997-80.033-80.080-80.029-80.048-80.011-80.011-80.000-80.0022112:05:04-79.996-80.031-80.078-80.029-80.046-80.009-80.009-80.002-80.0012212:06:04-79.995-80.034-80.080-80.030-80.047-80.010-80.010-80.000-80.0022312:07:04-79.997-80.032-80.079-80.028-80.046-80.010-80.010-80.002-80.0012412:08:04-79.998-80.030-80.077-80.029-80.046-80.008-80.009-80.003-80.0002512:09:04-79.998-80.031-80.079-80.029-80.044-80.009-80.009-80.002-80.0022612:10:04-79.996-80.030-80.080-80.029-80.046-80.012-80.011-80.001-80.0012712:11:04-79.999-80.033-80.078-80.031-80.048-80.011-80.010-80.000-80.0032812:12:04-79.997-80.032-80.077-80.028-80.047-80.010-80.012-80.001-80.0012912:13:04-79.995-80.031-80.076-80.029-80.045-80.008-80.010-80.002-0.0013012:14:04-79.995-80.030-80.078-80.027-80.046-80.009-80.010-80.002-80.002最大變化0.0050.0040.0040.0050.0040.0050.0040.0030.0030.002試驗結(jié)論：在-80時，恒溫槽正常運行狀態(tài)下，30min內(nèi)，主要測試位置的溫度變化之差不大于0.001，遠小于恒溫槽水平溫差0.01、 垂直溫差0.02的技術(shù)要求。 5.3測試溫度100序號時間#1()#2()#3()#4()#5()#6()#7()#8()#9()112:38:10100.662100.638100.595100.645100.634100.675100.657100.657100.665212:39:10100.662100.637100.595100.645100.635100.676100.658100.657100.665312:40:10100.661100.637100.593100.643100.635100.674100.657100.657100.664412:41:10100.660100.637100.594100.645100.634100.673100.655100.656100.663512:42:10100.661100.638100.595100.646100.635100.675100.656100.657100.665612:43:10100.661100.638100.593100.645100.634100.674100.658100.656100.664712:44:10100.660100.638100.593100.645100.635100.674100.657100.657100.663812:45:10100.661100.637100.594100.644100.634100.675100.658100.656100.665912:46:10100.662100.639100.594100.643100.635100.673100.657100.657100.6641012:47:10100.660100.638100.593100.644100.634100.674100.657100.655100.6631112:48:10100.660100.638100.594100.644100.635100.675100.656100.657100.6631212:49:10100.661100.638100.593100.644100.633100.673100.657100.656100.6631312:50:10100.662100.639100.595100.645100.634100.674100.657100.657100.6641412:51:10100.660100.637100.594100.644100.632100.675100.656100.656100.6641512:52:10100.662100.638100.595100.645100.635100.676100.656100.658100.6651612:53:10100.660100.638100.594100.644100.633100.675100.655100.655100.6631712:54:10100.660100.637100.595100.643100.634100.676100.656100.656100.6641812:55:10100.661100.639100.595100.645100.635100.676100.658100.658100.6661912:56:10100.660100.638100.594100.644100.634100.676100.658100.657100.6652012:57:10100.660100.638100.594100.643100.634100.675100.657100.656100.6642112:58:10100.661100.639100.595100.644100.635100.676100.656100.657100.6662212:59:10100.662100.639100.595100.646100.635100.673100.657100.656100.6642313:00:10100.662100.640100.595100.645100.635100.674100.656100.656100.6642413:01:10100.660100.638100.595100.645100.633100.674100.656100.657100.6632513:02:10100.661100.638100.595100.646100.633100.674100.656100.656100.6632613:03:10100.660100.638100.595100.644100.633100.675100.656100.657100.6632713:04:10100.661100.638100.595100.645100.634100.676100.657100.658100.6652813:05:10100.662100.639100.595100.645100.634100.674100.657100.657100.6642913:06:10100.661100.639100.595100.645100.635100.674100.657100.658100.6643013:07:10100.662100.639100.595100.646100.635100.676100.657100.656100.666最大變化0.0020.0020.0020.0030.0030.0030.0040.0040.0030.002試驗結(jié)論：在100時，恒溫槽正常運行狀態(tài)下，30min內(nèi)，主要測試位置的溫度變化之差不大于0.002，遠小于恒溫槽水平溫差0.01、垂直溫差0.02的技術(shù)要求。 5.4 測試溫度100 序號時間#1()#2()#3()#4()#5()#6()#7()#8()#9()113:40:00100.667100.644100.600100.650100.640100.681100.661100.662100.669213:41:00100.667100.644100.601100.651100.640100.680100.661100.662100.669313:42:00100.666100.644100.600100.651100.640100.680100.661100.662100.670413:43:00100.665100.644100.600100.651100.640100.681100.662100.663100.671513:44:00100.667100.646100.601100.652100.641100.682100.663100.663100.671613:45:00100.667100.644100.601100.650100.640100.680100.662100.662100.670713:46:00100.668100.645100.602100.652100.640100.680100.662100.664100.671813:47:00100.665100.643100.600100.649100.639100.680100.661100.663100.671913:48:00100.666100.644100.600100.650100.640100.682100.660100.663100.6711013:49:00100.666100.646100.603100.650100.641100.682100.662100.664100.6711113:50:00100.667100.644100.601100.651100.641100.680100.662100.663100.6701213:51:00100.666100.643100.600100.650100.639100.679100.661100.662100.6681313:52:00100.665100.643100.600100.649100.639100.680100.660100.662100.6701413:53:00100.665100.643100.600100.650100.640100.681100.661100.661100.6701513:54:00100.668100.645100.602100.650100.641100.681100.662100.663100.6701613:55:00100.667100.644100.601100.651100.639100.680100.662100.662100.6701713:56:00100.666100.644100.600100.651100.639100.680100.661100.662100.6701813:57:00100.666100.644100.600100.651100.640100.682100.662100.663100.6711913:58:00100.666100.644100.600100.650100.640100.682100.661100.663100.6702013:59:00100.667100.644100.602100.652100.642100.681100.662100.664100.6712114:00:00100.667100.646100.601100.649100.640100.681100.662100.663100.6702214:01:00100.666100.644100.601100.651100.639100.680100.661100.663100.6702314:02:00100.666100.644100.599100.650100.638100.679100.662100.662100.6682414:03:00100.666100.644100.600100.651100.639100.681100.661100.663100.6712514:04:00100.666100.643100.600100.649100.640100.681100.661100.661100.6722614:05:00100.665100.643100.599100.649100.639100.681100.661100.662100.6712714:06:00100.665100.643100.600100.649100.639100.681100.661100.661100.6702814:07:00100.665100.644100.599100.649100.640100.682100.660100.661100.6702914:08:00100.666100.644100.601100.650100.640100.681100.661100.661100.6693014:09:00100.667100.645100.602100.652100.639100.680100.662100.664100.669最大變化0.0030.0040.0030.0030.0030.0030.0030.0030.0030.001試驗結(jié)論：在100時，恒溫槽正常運行狀態(tài)下，30min內(nèi)，主要測試位置的溫度變化之差不大于0.001，遠小于恒溫槽水平溫差0.01、垂直溫差0.02的技術(shù)要求。5.5 測試溫度202序號時間#1()#2()#3()#4()#5()#6()#7()#8()#9()18:38:17202.673202.654202.608202.658202.655202.690202.672202.672202.67728:39:17202.672202.656202.610202.659202.655202.690202.672202.671202.67638:40:17202.674202.655202.609202.659202.655202.691202.674202.672202.67748:41:17202.674202.653202.608202.658202.654202.689202.673202.671202.67658:42:17202.674202.654202.609202.658202.654202.691202.673202.672202.67668:43:17202.673202.654202.609202.659202.654202.689202.672202.670202.67578:44:17202.672202.655202.608202.660202.655202.690202.673202.671202.67688:45:17202.673202.655202.610202.659202.654202.690202.674202.670202.67698:46:17202.673202.656202.610202.659202.655202.690202.674202.672202.677108:47:17202.675202.657202.611202.660202.655202.691202.674202.673202.677118:48:17202.674202.655202.610202.660202.656202.692202.674202.673202.677128:49:17202.674202.655202.609202.658202.654202.691202.674202.673202.677138:50:17202.673202.655202.609202.659202.655202.689202.673202.672202.676148:51:17202.674202.657202.610202.660202.657202.692202.674202.672202.676158:52:17202.673202.655202.609202.658202.654202.690202.674202.673202.676168:53:17202.674202.654202.608202.658202.654202.689202.673202.671202.677178:54:17202.673202.655202.610202.660202.655202.691202.673202.672202.676188:55:17202.674202.655202.610202.659202.656202.691202.674202.673202.679198:56:17202.674202.655202.609202.660202.655202.691202.674202.671202.676208:57:17202.674202.655202.608202.657202.654202.691202.674202.672202.678218:58:17202.673202.656202.610202.660202.655202.692202.674202.671202.676228:59:17202.674202.655202.609202.659202.655202.691202.673202.673202.679239:00:17202.673202.655202.609202.659202.655202.691202.674202.672202.676249:01:17202.673202.655202.609202.659202.654202.690202.672202.671202.677259:02:17202.674202.656202.610202.659202.655202.692202.674202.674202.678269:03:17202.674202.655202.609202.659202.655202.691202.673202.673202.677279:04:17202.675202.656202.610202.659202.656202.692202.674202.672202.676289:05:17202.674202.656202.610202.660202.655202.690202.674202.672202.677299:06:17202.675202.657102.611202.661202.655202.690202.675202.672202.678309:07:17202.675202.656202.610202.659202.656202.691202.674202.671202.677最大變化0.0030.0040.0030.0040.0020.0030.0030.0040.0040.002試驗結(jié)論：在202時，恒溫槽正常運行狀態(tài)下，30min內(nèi)，主要測試位置的溫度變化之差不大于0.002，遠小于恒溫槽水平溫差0.01、垂直溫差0.02的技術(shù)要求。 5.6 測試溫度202序號時間#1()#2()#3()#4()#5()#6()#7()#8()#9()19:23:09202.673202.654202.609202.658202.654202.690202.672202.671202.67729:24:09202.673202.655202.610202.660202.655202.691202.673202.672202.67739:25:09202.673202.654202.610202.658202.654202.692202.673202.673202.67849:26:09202.673202.654202.609202.658202.654202.691202.671202.674202.67859:27:09202.674202.654202.609202.657202.654202.690202.672202.673202.67869:28:09202.674202.656202.610202.660202.656202.691202.673202.672202.67779:29:09202.673202.655202.610202.659202.656202.691202.673202.673202.67789:30:09202.674202.653202.609202.660202.655202.692202.673202.674202.67999:31:09202.675202.656202.610202.660202.655202.691202.673202.672202.678109:32:09202.674202.655202.610202.659202.654202.692202.673202.672202.677119:33:09202.675202.655202.609202.658202.656202.691202.673202.674202.679129:34:09202.673202.654202.609202.659202.655202.690202.673202.670202.677139:35:09202.673202.654202.609202.657202.654202.691202.672202.673202.678149:36:09202.675202.655202.609202.658202.654202.691202.673202.674202.679159:37:09202.674202.655202.610202.659202.656202.691202.673202.672202.677169:38:09202.674202.654202.609202.658202.655202.692202.672202.673202.679177:39:09202.672202.654202.609202.659202.654202.689202.672202.672202.678189:40:09202.673202.655202.609202.659202.654202.691202.672202.671202.677199:41:09202.673202.654202.609202.659202.654202.691202.673202.673202.678209:42:09202.675202.655202.609202.659202.654202.689202.673202.672202.679219:43:09202.672202.654202.610202.659202.655202.690202.672202.671202.677229:44:09202.675202.654202.609202.659202.654202.691202.673202.673202.678239:45:09202.675202.655202.610202.659202.656202.692202.674202.674202.680249:46:09202.673202.655202.609202.659202.655202.691202.673202.672202.677259:47:09202.673202.654202.609202.658202.655202.690202.673202.673202.678269:48:09202.673202.656202.611202.659202.655202.691202.673202.672202.677279:49:09202.674202.655202.610202.659202.655202.692202.673202.674202.679289:50:09202.674202.656202.610202.660202.656202.691202.673202.674202.680299:51:09202.673202.655202.610202.659202.657202.692202.674202.674202.679309:52:09202.673202.655202.609202.658202.655202.691202.673202.674202.679最大變化0.0020.0020.0010.0030.0030.0030.0030.0030.0030.002試驗結(jié)論：在202時，恒溫槽正常運行狀態(tài)下，30min內(nèi)，主要測試位置的溫度變化之差不大于0.002，遠小于恒溫槽水平溫差0.01、垂直溫差0.02的技術(shù)要求。 6 試驗結(jié)論恒溫槽正常運行狀態(tài)下，主要測試位置的溫度的變化之差遠小于恒溫槽水平溫差、垂直溫差。即恒溫槽溫場可以保持較長時間的穩(wěn)定性。恒溫槽溫場測試即可以采用多點同步測溫，也可以采用“雙探針”法，通過多次測試，最終獲得恒溫槽所有位置的溫度測試。二、鉑熱電阻穩(wěn)定性測試1 試驗?zāi)康?考察鉑熱電阻短期穩(wěn)定性指標，為標準鉑電阻溫度計漏熱試驗提供不確定度分析的數(shù)據(jù)支持2 測試設(shè)備：序號名稱型號，編號1水三相點瓶DFTP-1DF60832精密直流電橋micro k-12532066/13銦固定點爐NIM-T-InG-201405232-0024錫固定點爐NIM-T-SG-201405232-0015標準鉑電阻溫度計WZPB-I11252 3 測試方法 經(jīng)篩選高穩(wěn)定性鉑熱電阻3支，利用固定點考察其穩(wěn)定性，同時用標準鉑電阻