深圳市金顺昌电子材料有限公司 长期供应3M胶带,NITTO(日东)胶带,SONY(索尼)胶带:林小姐:(). 韩国3M胶带:3M9137HT,3M9199,3M9252,3M9253,3M9294BK,3M9295,3M9415PC,3M9460PC,3M9469PC,3M9471LE,3M9690TR,3M9698LE,3M 9705,3M9709SL,3M9795B,3M9802-100,3M9802-85,3M9867,3M9868,3M9887HT,3MAB5010,3MAB5020,3MAB5030,3M615S,3M690,3M1353,3M 1360NH,3M1361B,3MKCD-163,3MKCD-2009,3MKCD-2009B,3MKCD-2002,3M4187C,3M4320-25,3MCN3190,3MCN4190,3M3490,3M4490,3M4390, 3MCN4950D,3M4591HM,3M4644,3M4650G,3M4711,3M4590,3M5430,3M5480,3M55230,3M55256,3M7830N,3MTM805,3MTM810,3MTM815,3M8212, 林小姐:()()3M3105D,3M1352BK,3M9152B,3M55257,3M5197,3M5925,3M55236,3M5610,3M7077RD,3M 7883,3M9887HT,3MKCD-2009,3MKCD-2002,3M9253,3M5335,3M5413K,3M4382H-100,3M7873,3M1353,3M5952,3M5198,3M5351, 3M8823,3M9139HT,3M9119,3M9152B,3M4711,3MTT246GN,3M346G,3M4650G,3M9867,3M4965,3M9137HT.3M9071,3M8805, 3M光学胶带:3MOCA8172,3M8171,3M8212. 3M电磁吸波材料:3MAB5010,3MAB5020,3MAB5030,3MAB7005HF,3MAB5100,3MAB7020HF,3MAB5010HF,3MAB7003HF,3MAB5050. 导电导热胶带:3M9709S,3M9709SL,3MTM805,3M8810,3M8805,3M8815,3MTM815,3M8820. 3M5480,3M5430,3M9019,3M9294B,3M1352,3M9795B,3M9795,3M4377-50,3M9802-80,3M9698,3M9294.(林小姐:) 3M9703,3M9707,3M9720,3M9705,3M9723,3M966,3M4320-20,3M4914,3M4920,3M5557,3M5558,3M5559,3M9731,3M9713.3M7875. 3M7413D,3M1388Y,3M9495B,3M4945,3M9070,3M9485PC,3M9009.3M1181,3MCEF8,3M1188,3M9157,3M5412,3M7776,3M7815,3M7818,3M7847, NITTO(日东)胶带:(林小姐:,)NO.(日东)5601,NO.(日东)5602,NO.(日东)5603,NO.(日东)5605, NO.(日东)5608,NO.(日东)5610,NO.(日东)5612,NO.(日东)5615,NO.(日东)5635,NO.(日东)53**,NO.(日东)531, NO.(日东)5915,NO.(日东)5919,NO.(日东)532,NO.(日东)585,NO.(日东)5011N,NO.(日东)GA835,NO.(日东)531N-TP, (林小姐:)NO.(日东)5605BN,NO.(日东)5606,NO.(日东)5620A,NO.(日东)53100,NO.(日东)5682EP, NO.(日东)5680EP,NO.(日东)VR-5311,NO.(日东)CS3623,NO.(日东)5713,NO.(日东)541,NO.(日东)H9004,NO.(日东)H9008, NO.(日东)H9012,NO.(日东)CS9621T,NO.(日东)NA590,NO.(日东)5919ML,NO.(日东)CT-311H,NO.(日东)AT-511H, NO.(日东)AT-4125E,NO.(日东)500,NO.(日东)5000NS,NO.(日东)5000NC,NO.(日东)5114,NO.(日东)500AB, NO.(日东)510,NO.(日东)512,NO.(日东)516,NO.(日东)5102,NO.(日东)5610B,NO.(日东)5611B. SONY(索尼)环保胶带:(林小姐,)PET基材胶带:7586-25,7586-50,7586-100,7586B-25,7586B-50, 7586B-100G9051,G9052,G9951W-80,G9951W-100,G9951-200,G9152-150,G9152-200,G9751-100,G9751-150,G9751-200. 无纺布基材胶带:G4000,,G9000,G9000SY,G9900,G9100,G9120,G9200,UT1015BU,UT1440, UT1430,UT1615BU,UT1620BU,UT1625BU,UT1640BU,UT1670. 无基材胶带,T4411,T4410,T4420W,UT5440,UT5825,G4200D,G4200DW,T4103, T4100,T4900,T4900W,D3410,D3430,D3431,D3450, 特殊基材胶带:UT3210,UT3870,AL7620,T4082S,PET8317LH,PET8707,PET 8083F,PET8184M,PET8285,PET8420,PVC8030,PVC8032,SP7600,SP7600 HF,AL7080,CU7040,AL7650,CU7636D,CU7636R,T4082S
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噪声——超声流量计 由于气体超声流量计是基于换能器发射和检测的声脉冲进行计量,而计量现场的工艺管路往往较为复杂,存在大量噪声源。如果在站场的设计、施工安装中不注意这些问题,就会直接影响超声流量计的现场计量性能。因此,应尽量得到生产厂家的配合,分析可能存在的噪声源及对流量计的影响,以减少噪声对气体超声流量计计量性能的影响,那么如何减少噪声对超声流量计的影响呢?现将归纳如下: 1、对于流量计生产,应
1、在管道充满介质的情况下,用万用表测量接线端子A、B与C之间的电阻值,A-C、B-C之间的阻值应大至相等。若差异在1倍以上,可能是电极出现渗漏、测量管外壁或接线盒内有冷凝水吸附。 2、在衬里干燥情况下,用MΩ表测A-C、B-C之间的绝缘电阻(应大于200MΩ)。再用万用表测量端子A、B与测量管内二只电极的电阻(应呈短路连通状态)。若绝缘电阻很小,说明电极渗漏,应将整套流量计返厂维修
在工业生产和科研测量中,经常遇到小流量、低雷诺数的流量测量。金属转子流量计由于具有灵敏度高、测量范围宽、压力损失较小且恒定、测量介质种类多、工作**、维护简 &
蒸汽流量计需如何改善精度? 目前,油田供气行业计量设备主要使用的旋涡流量计,只有在适当的工作环境下才能发挥其优势,否则会影响其计量准确度。而蒸汽流量计则不同,下面分析蒸汽流量计如何改善测量精度。 1、气表管线入口直管段过窄的影响。在部分中转站发现,有些气表入口直管段过细,直管段内径小于气表腔体内径,这种安装方法本身不符合气表安装要求。另外,在这种状况下,当中转站产气过多时,气阀门即使满开度,**
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