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3)对于气体测量时，导压管向下连接到工艺管道，其斜度应不小于1/12;
4) 当测量液体或蒸汽时，导压管向上流连接到工艺管道，其斜度应不小于1/12;
5) 液体导压管道的布设要避免中间出现高点，气体导压管的布设要避免中间出现低点;02-343848 DG4S4-012A-U-C-60
02-127342 DG17V-3-2A-60
02-343983 DG5V-8-H-2A-T-M-U-C-10
02-344392 DG5V-8-H-6C-T-M-U-H-10
02-395056 DG5V-8H-6C-T-M-U-D-10
DG5V-8-S-2C-M-U-H-10
02-108716 DGMC-3-AT-GW-41
02-108133 DGMC-3-BT-GW-41
694419-2 DGMC-3S-PT-CW-41
869641 DGMC-3-PT-GW-41
870074 DGMC2-3-AT-CW-BT-CW-41
868304 DGMC-5-AT-GW-B-30
868306 DGMC-5-BT-GW-B-30
868300 DGMC-5-PT-GW-B-30
02-126877 DGMC2-5-AT-FW-BT-FW-B-30
868308 DGMC2-5-AT-GW-BT-GW-B-30
694400 DGMPC-3-ABK-BAK-41
694400-2 DGMPC-3S-ABK-BAK-41
02-157848 DGMDC-3-Y-AN-BN-41
870024 DGMPC-3-ABK-41
870023 DGMPC-3-BAK-41
DGMPC-5-ABK-30
867339-2 DGMPC-5S-ABK-30
867340 DGMPC-5-BAK-30
867364 DGMPC-5-ABK-BAK-30
867364-2 DGMPC-5S-ABK-BAK-30
02-352682 DGMPC-7-BAK-10
02-413103 DGMPC-7-ABK-BAK-30
02-156058 DGMR-3-TA-CW-B-40
870033 DGMX2-3-PA-FW-B-40
870037 DGMX2-3-PP-CW-B-40
870037-2 DGMX2-3S-PP-CW-40
870038 DGMX2-3-PP-FW-B-40
868317 DGMX2-5-PB-BW-B-30
880553 DGMX2-5-PP-FW-B-30
868314 DGMX2-5-PP-BW-B-30
694412 DGMFN-3-Y-A2W-B2W-41
694412-2 DGMFN 3S Y A2W B2W 41
02-108384-2 DGMFN 3S Y A2W 41
02-108918-2 DGMFN 3S Y B2W 41
694414 DGMFN-3-X-A2W-B2W-41
02-108917 DGMFN-3-X-A2W-41
870234 DGMFN-3-X-B2W-41
867335 DGMFN-5-X-A2W-B2W-30
868880 DGMFN-5-X-A2W-30
867332 DGMFN-5-Y-A2W-B2W-30
867332-2 DGMFN-5S-Y-A2W-B2W-30
02-413078 DGMFN-7-Y-A2W-B2W-30
02-352689 DGMFN-7-Y-A2H-B2H-20
349169 DGFN-06-50
615026 CG2V-6GW-10
859553 CG5V-8GW-D-M-U-H7-11
859544 CG5V-6GW-D-M-U-H7-11
465949 EURG2-10-F-13UG
565672 SV1-16-C-0-24DG
565644 SV1-10-C-0-24DG
565658 SV3-10-C-0-24DG
6)为避免磨擦影响，导压管的口径应足够大;
7)充满液体的导压管中应无气体存在;
8)当使用隔离液时，两边导压管的液体要相同;
9)采用洁净剂时，洁净剂连接处应靠近工艺管道取压口，洁净剂所经过的管路，其长度和口径应相同，应避免洁净剂通过变送器。D1VW20HNJW75 D1FVE02BCVXW25 D1FVEV02BCVGOA37 D1FVE50BCVLB35 D1FVE50BCVLB35 D1FVE50BCVLB35 D1FVE02BCVFOA37 D1VW1CNJP75 D1VW1CNYP D1VW1ENJW75 D1VW1CNJWL75（8W） D1VW11CNJW75 D1VW1CNJW75 D1VW1CNJP75 D1VW1CNYP D1VW1ENJW75 D1VW1CNJWL75（8W） D1VW11CNJW75 D1VW2ENTP70 D1VW4CNTP70 D1VP8CN90 D1VW1KNJP D1VW6CNJP75 D1VW6CNJP75 D1VW6CNJP75 D1VW20HNJP75 D1VW020HNYCF56 D1VW001CNJW D1VW001KNJWG D1VW1CNJP75 D1VW20BNJP D1VW20BVTP70 D1VW2CNJP D1VW4CNJP75 D1VW6CNJW75 D1VW1CNJP75 D1VW20BNJP D1VW20BVTP70 D1VW2CNJP D1VW4CNJP75 D1VW6CNJW75 D1VW8CNJP D1VW10CNJP D1SE83BNJW75 D1VW20BNJW75 D1VW20BNJP D1VW4CNJP75 D1VW20BNJP75 D1VW20HNJP75 D1VW4CNJP75 D1VW20BNJP75 D1VW20HNJP75 D1VW8KNJP D1SE83BNJW75 D1VW20BNJW75 D1VW20BNJP D1VW22CNJW75 D1VW34CNJP D1VW004CNYC561M D1VW20DNJP D1VW2ENJW75 D1VW20HNTW70 D1VW8KNJP D1VW8CNJP D1VW10CNJP D3W1CNJP D3W1CNJP D3W2CNTC D3W2CNJP30 D3W1CNJP D3W3CNTP30 D3W34CNJP D3W4CNTW D3W4CNJW30 D3W4CNJP30 D3W4CNJCF30 D31FHE01A4NB00 D31FTE01CC1VF00 D31FTB32CC1VF00 D3DW20DVTPZ5 D3W20BVTP30 D3W20BNJCF30 D3W1CNJW30 D3W9CNJC D3W14CNC D3W1CNJP D3W1CNJP D3W2CNTC D3W2CNJP30 D3W1CNJP D3W3CNTP30 D3W34CNJP D3W4CNTW D3W4CNJW30 D3W4CNJP30 D3W4CNJCF30
查看压力变送控制器电源是否接反，把电源极性接正确；
2. 测量压力变送控制器的供电电源，是否有24V直流电压; 必须保证供给压力变送控制器的电源电压≥12V(即压力变送控制器电源输入端电压≥12V)。如果没有电源，则应检查回路是否断线、检测仪表是否选取错误(输入阻抗应 ≤250Ω)等等；
3. 如果是带表头的，检查表头是否损坏(可以先将表头D1VW4CNTP70 D3DW20DVTPZ5 D3W20BVTP30 D3W20BNJCF30 D3W1CNJW30 D3W9CNJC D3W14CNJC D41VW1C4VJP D41VW1C4VJP D41VW1C4VJP 9C1600S 9C1600S 9C1600S 9F600S 9F400S 9N800S D1VP8CN90 D1VW1KNJP PR101S30 D1VW6CNJP75 D1VW6CNJP75 D1VW6CNJP75 D1VW20HNJP75 D1VW020HNYCF56 D1VW001CNJW D1VW001KNJWG 9F800S 9F1200S F600B F600B F800B F800B FS400S FP101S085-6B TDA080EW09A2NLW 9N600S 9N800S CS400S M16W-U12LR-G-SS-HT PVCFATPN121 PVCFATFN121 FM2DDKV55 EVSA315A061 EVSA315A101 VS210A06VG R10R17S4SN R10R17S4SN R10R17S4SN R10R25S4SN RS10R17S4SN9JW+5001710 RS10R25S4SN1JW FM2DDSV51 FM2DDDSV51 FM2DDDSV55 FM3DDSV51 PARKER溢流阀 PARKER减压阀 PARKER换向阀 PARKER变量叶片泵 PARKER柱塞泵 DWE/DWU系列比例减压阀 PE/PC系列先导式比例减压阀 FM3DDSV51 FM3DDKV55 FM4DDTVHT CM3BBV CPOM2DDV56 CPOM3DDV50 CE025C01L00N SCPSD-250-04-07 EW10-101 EW10101-10 1 EPP33C81I10010 EPP33C81U10010 D41FHB31E1NE00 D41FHB31E1NE00 D41FHB32C1NB00 D41FHB31F2NB00 D41FWE01FC4NLW026 D1FCE01FCONMWO D1FCE02HCONMWO D1FTE01CCVF00 D1FTB32FCVF00 D91FHB31F2NB00 D91FWB31HC2NLW0 D91FWB31HC2NLW0 D91FWE01HC4NLW026 D1FTE02FCNF0052 RE06M35W2V1KW BD15AAANB10 PVAC1PCMNS3520 PVAC1ECMNSTP20 PVAC1ECMVSJW PAVC65R4213 PAVC65R4213 PAVC65R4213 PAVC100R422 PVP1636C9L2A12 PHP10508R10 PAV10RKP1D D41FHB32C2NB00 D41FHB32C4NB00 D41FHE01F1NE0044 D41FHE01C4NE00+5004072 D41FSE02C4NXW035 PARKER溢流阀 PARKER减压阀 PARKER换向阀 PARKER变量叶片泵 PARKER柱塞泵 DWE/DWU系列比例减压阀 PE/PC系列先导式比例减压阀 D41FTB32FC1NF0038 PAVC100B2L4M22 PAVC10038R4222 PAVC100R4222 D1VW8KNJP D1VW8CNJP D1VW10CNJP EW10-101 EW10101-10 1 EPP33C81I10010 EPP33C81U10010 D1VW22CNJW75 D1VW34CNJP D1VW004CNYC561M D1VW20DNJP D1VW2ENJW75 D1VW20HNTW70 D91FTB32HC1VF00 PAVC100R4222 PAVC1002R42 PVP1630R212 PVP1636R2V12 PVP1630R2M12 PVP3336C9R21 PVP3336C9R21 PVP33369R21 PVP33203R26A4M21 D41FTB32FC1VF00 D41FTE01FC4NF00 D41FTE01FC1NF0038 D41FWB31FC2NLW0 D41FWB31FC2NLW0 PAV6.3RKVP1AA PAV6.3RKVP1AA PV016L1K1T1NFHS PV016R1K8T1NMMC PV020R1K1T1VMMC EW10-101 EW10101-10 PARKER溢流阀 PARKER减压阀 PARKER换向阀 PARKER变量叶片泵 PARKER柱塞泵 DWE/DWU系列比例减压阀 PE/PC系列先导式比例减压阀1 EPP33C81I10010 EPP33C81U10010 PV028R1K1T1NMMC PV023R1K1T1NUPD D3W1CNJP D3W1CNJP D3W2CNTC D3W2CNJP30 PV080R1K8T1NFWS PV080R1K1T1NFWS PV080R1K1T1NFFP PV092R1K4T1WFR1 PV092R1K1T1NFWS PV092R1K1T1NFWS D3W1CNJP D3W3CNTP30 D3W34CNJP D3W4CNTW D3W4CNJW30 PV016R1K1T1NMR1 PV180R1K8T1N001 PV180R1K1T1NFWS PV270R1K1T1NFWS D3W4CNJP30 D3W4CNJCF30 1PGP503A0008CP2D1NE2E2B1B1 PGP503A0008CP2D1NE2E2B1B1 PV092R1K1T1NFWS PV140R1K8T1N001 PV140R1K8T1NFWS PV270R1K1T1NFWS PGP511B0230CS2D3NE6E5S-511A0080XE5E3B1B1 780-0470-000-031 MG121210AAAB TB0230AP260AAAA TE0165MP260AAAA TE0050CW260AAAB PV016R1K1T1NMR1 PV180R1K8T1N001 PV180R1K1T1NFWS PV270R1K1T1NFWS TE0080CW260AAAB TE0330CW260AAAB D1VW20HNJW75 D1FVE02BCVXW25 D1FVEV02BCVGOA37 D1FVE50BCVLB35 D41FHB31E1NE00 TE0295MW260AAAB PV016R1K1T1NMR1 PV180R1K8T1N001 PV180R1K1T1NFWS PV270R1K1T1NFWS TE0295MW260AAAB PV032R1K8T1NUPG 2F1C03-01-B-4-C PV046R1K1T1NFHS PV046R1K1T1NMMC PV063R1K1T1NFF1 PV063R1K1T1NFWS PARKER溢流阀 PARKER减压阀 PARKER换向阀 PARKER变量叶片泵 PARKER柱塞泵 DWE/DWU系列比例减压阀 PE/PC系列先导式比例减压阀 TF0100MV460AABK TF0405AS030AAAB TG0195BS010AAAA TG0335AM050AAAB 110A-106-AP-E TG0335HW440BBCG TG0530HW460AAAB TG785HW460AAAB 410017-200 PTD.VB2501A1C1 PTD.VB2502A1C1 PWDXXA-40-0 EW10-101 PQ01-L00-22 TG0195MS010AAAA TG0195MW440AAAB TG0405AS030FSAB TG0335AM050AAAB PQ02-L00-22 VS111-800-20 VS111-800-20 PSB-250-AF1A D1FVE50BCVLB35 D1FVE02BCVFOA37 D1FXE02HCNBJ00+5004072 D31FHE01A4NB00 D31FTE01CC1VF00 D31FTB32CC1VF00 PVAPVV21N20 SCLTSD-370-00-07+SCK-400-02-55 PVAC1PTMNS35 B63B63PGP505A0080CJ1H1E3E3B1B1 CE016C01S08N10 CE016C04S00N10 CE016C08S00N10 C016CA08009999N10 C016CA08009999N10 C016BS08N10 P3E-FA00MEN 926835Q 931020Q ZK H00714-039 PCD00A-400 PV180R1K1T1NFWS PV270R1K1T1NFWS PV020R1K1T1N100 PV023R1K1T1NMMC LCM2PP02V11 FTCE2B10Q P3E-LA00KFN B522BB549C FDC101A44-6B D1VW1CNJP75 D1VW20BNJP D1VW20BVTP70 D1VW2CNJP D1VW4CNJP75 D1VW6CNJW75 RAH101S20 RAH10S20 AS165X FF1087 C016CA08009999N10 C016BS08N10 P3E-FA00MEN 926835Q D1VW4CNJP75 D1VW20BNJP75 D1VW20HNJP75 PV020R1K1T1NMMC PV016R1K1T1NMR1 PV180R1K8T1N001 D1SE83BNJW75 PARKER溢流阀 PARKER减压阀 PARKER换向阀 PARKER变量叶片泵 PARKER柱塞泵 DWE/DWU系列比例减压阀 PE/PC系列先导式比例减压阀 D1VW20BNJW75 D1VW20BNJP 931020Q ZK H00714-039 PCD00A-400 LCM2PP02V11 FTCE2B10Q D1VW1CNJW75 D1VW1CNJP75 D1VW1CNYP D1VW1ENJW75 D1VW1CNJWL75（8W） D1VW11CNJW75 P3E-LA00KFN B522BB549C FDC101A44-6B RAH101S20 RAH10S20 AS165X FF1087 P3E-FA00MEN 926835Q D1VW4CNJP75 D1VW20BNJP75 D1VW20HNJP75 PV020R1K1T1NMMC PV016R1K1T1NMR1 PV180R1K8T1N001 D1SE83BNJW75 D1VW20BNJW75 D1VW20BNJP 931020Q ZK H00714-039 PCD00A-400 LCM2PP02V11 FTCE2B10Q D1VW1CNJW75 D1VW1CNJP75 D1VW1CNYP D1VW1ENJW75 D1VW1CNJWL75（8W） D1VW11CNJW75 P3E-LA00KFN B522BB549C FDC101A44-6B RAH101S20 RAH10S20 AS165X FF1087 HK1/2X