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45C220B 本公司有大量库存现货,全新原装,欢迎订购,当天可发货!!!!!!
联系人:赵艳霞(销售工程师)
联系人:赵艳霞(销售工程师)
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45C220B
由于剩余电流监测的原理采用了基尔霍夫电流定律,所以,对所应用的低压配电系统形式有要求。目前,可以应用剩余电流互感器的低压配电系统有:TT系统,IT系统,TN-S系统,不能使用在TN-C系统中。对将要设计安装电气火灾监控系统的用户,不管是新工程或旧工程改造项目,首先要调查核实该用户低压配电系统的系统接地形式是什么,否则,设计安装剩余电流互感器的点位进行检测是根本无法施行的。
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武汉钢铁(集团)公司 ANDERSON FFF1100705300 STAINLESS 3IN TRI-CLAMP TEMP
ANDERSON P5BG CLEARVUE THERMOMETER 20-220F TEMPERAT
ANDERSON XV6BG CLEARVUE THERMOMETER 20-220F TEMPERA
TAYLOR INSTRUMENT 200-950F 8-3/4 IN 1 IN NPT TEMPER
WEKSLER GR4-16-3P ROYAL PHOSPHOR BRONZE 0-100PSI PR
ASHCROFT 8930 DURALIFE STAINLESS 0-30PSI 1/4 IN NPT PRE
FISHER EG125 FCBF 150772C TEMPERATURE 30-120F GAUGE
DWYER 3004C GAUGE 25PSIG 300 SERIES PRESSURE SWITCH
GENERAL ELECTRIC GE QUALIGAUGE LOW-HIGH LIQUID LEVE
ASHCROFT 250-2990 DURALIFE 0-30PSI 4 IN 1/4 IN NPT PRES
SWAGELOK PGI-63S-PG3000-?LADX-A RLGGBW002B 0-3000PSI
MCDANIEL CONTROLS J7S-1/4 GAUGE -30IN-HG/0PSI 1/4IN
ASHCROFT TEMPERATURE -20 TO 120F 5 IN 1/2 IN NPT GAUGE
MARSH PRESSURE 0-60PSI 4-1/2 IN 1/4 IN NPT GAUGE B34040
ANDERSON B0715F06 CLEAR VUE TEMPERATURE GAUGE WITH
ROSEMOUNT 0751AAM4E6B FIELD SIGNAL INDICATOR 3/4X1/4IN
WIKA 232.25HR 4.5 0-1500PSI 4-1/2 IN 1/4 IN NPT PRE
ASHCROFT 100-1008SL-2L DIAPHRAGM 0-100PSI 4 IN PRES
ASHCROFT AISI 316 0-100PSI 1/2 IN NPT PRESSURE GAUG
NA RV232A3E314KB3E 0-200SCFH 2-7/16 IN 1/4 IN NPT P
ASHCROFT 7YA-33337-017 THERMOMETER NPT TEMPERATURE
TRERICE THERMOMETER TEMPERATURE 50-400F 9 IN 1 IN NPT G
MARSH INDUSTRIAL 0-700KPA PRESSURE 0-100PSI 4-1/2IN DIA
MARSH L202-207 9CP 0-1000PSI 1/4 IN NPT PRESSURE GA
BUSCH 545.004.00 15PSI MAX 1/4IN NPT PRESSURE GAUGE
TYTON TF-08-10-B-A THE FLOW 0-10BAR 2-1/2 IN PRESSURE S
ASHCROFT DURAGAUGE 0-300PSI 5 IN 1/4 IN NPT PRESSURE GA
WEKSLER AA442KH4LWXX ROYAL PROCESS 0-3000KPA 4-1/2I
TRERICE 52-3019 PRESSURE 0-1000PSI 4-1/2 IN 1/4 IN NPT
MARSH H4248 PRESSURE 0-100PSI 4-1/2 IN DIAL 1/4 IN
WEKSLER AA442VC4LW 0-30IN-HG 4-1/2 IN 1/4 IN NPT PR
ANDERSON 9706179 LIQUID PRESSURE 0-100PSI 3-1/2 IN GAUG
RONNINGEN-PETTE?R P-20275-SS6 1008SL STAINLESS PRESS
3D INSTRUMENTS 25504-45B71 GAD PRESSURE 0-160PSI 4 IN 1
MARSH G24502 PRESSURE 0-100KPA 2-1/2 IN 1/4 IN GAUG
ASHCROFT 60-1379-SS-02B-?100 DURAGAUGE 0-100PSI PRES
ANDERSON 37-00 A3 TYPE S PRESSURE 0-5000PSI 5-1/4 I
STEWARTS LIQUID PRESSURE 0-30PSI 2-3/4 IN 1/4 IN GA
WIKA 9310770 F180-20F9022 PRESSURE 3/4 IN GAUGE 140
TESTON 5T LIQUID TEMPERATURE 0-120C 5IN PROBE 5-1/4 IN
SWAGELOK PGI-63S-PC30-LA?DX-A RLGGBW003B 0-30PSI 2 I
ASHCROFT 45 1279RS 02L 15# 0-15PSI 1/4 IN NPT PRESS
ASHCROFT 74-00 A3 0-300PSI 3-1/2 IN PRESSURE GAUGE B451
TESTON 5T WINDING INDICATOR TEMPERATURE 0-160C 4-1/2 IN
USG P 562 U AMETEK PRESSURE 0-160PSI 1-1/2 IN 3/8 I
ASHCROFT 101008AL02LXLJZ?C LIQUID PRESSURE 0-600PSI
ANDERSON EL074010171101A PRESSURE 0-160PSI 3-1/4IN
ASHCROFT 60-1379-AS-04L 0-30IN-HG 0-15PSI 1/4 IN NP
ASHCROFT 35 1009AW 02B XPRUC PRESSURE 0-30IN-HG 3-1
ANDERSON PB5D CLEARVUE THERMOMETER 135-200F TEMPERA
ASHCROFT DURALIFE 8937 GLYCERIN 0-200PSI 4 IN 1/4 IN NP
DWYER 2000-500PAC MAGNEHELIC PRESSURE 0-500PA 4 IN GAUG
ASHCROFT 45-1279-AS-02B-?30 DURAGAUGE 0-30PSI 4-1/2I
MCDANIEL CONTROLS 0-200 PSI JF 2-1/4 IN 1/4 IN NPT
ASHCROFT 35-1009-SWL-02L?-800 DURALIFE 0-800PSI 3-1/2 IN
ASHCROFT DURALIFE 0-1000PSI 3-1/2 IN 1/4IN NPT PRESSURE
WIKA 990.34 0-60PSI 5 IN 1/2 IN NPT PRESSURE GAUGE B396
DONALDSON P562731 PRESSURE 0-600PSI 2-1/2IN FACE 1
AMETEK 1X644 PRESSURE 0-1500PSI 4-1/2 IN 1/2 IN NPT
ASHCROFT 8902 DURALIFE PLUS PRESSURE 0-60PSI 4 IN 1/4 I
BAILEY D1944405-A3 50-250V-DC METER INDICATOR PRESSURE
ASHCROFT 25W1005 H 02L XAP 1000 PRESSURE 0-1000PSI
NUMATICS 0-160PSI 2 IN 1/2 IN NPT PRESSURE GAUGE D4
ASHCROFT 7-1/2IN STEM THERMOMETER TEMPERATURE 30-130F 5
ASHCROFT TEMPERATURE -20-120C 5 IN 8-1/4IN PROBE/STEM 1
LOT 2 NOSHOK PRESSURE 0-15PSI 2-5/8 IN 1/4 IN NPT GAUGE
WIKA 9734363 213.53 PRESSURE 0-160PSI 1/2 IN NPT GA
DWYER A3215 PHOTOHELIC PRESSURE SWITCH 0-15PSI 4IN
DWYER 2080C MAGNEHELIC 0-80IN-H2O 5 IN 1/8 IN NPT GAUGE
CONTINENTAL 05-020-070 CPI 0-160PSI 1-1/2 IN 1/8 IN NPT
ASHCROFT 37-01 DURALIFE WELDED 0-30IN-HG 3-1/2 IN PRESS
WIKA 213.40 LIQUID 30IN HG VAC NPT PRESSURE 4 IN 1
ASHCROFT? PRESSURE RANGE 0-1000KPA 6 IN 1/4IN NPT LOWER
TRERICE 52-2873 PRESSURE 0-100PSI 5 IN 1/4 IN NPT GAUGE
ASHCROFT 35-1009-SWL-02L?-600# DURALIFE 0-600PSI 3-1/2 I
ASHCROFT 60-1379BS-2B DURAGAUGE 0-100KPA PRESSURE G
ASHCROFT 250-2990 DURALIFE 0-30PSI 4 IN 1/4 IN NPT PRES
ASHCROFT Q-8451 0-100PSI 4 IN 1/4 IN NPT PRESSURE GAUGE
DWYER 2004C MAGNEHELIC INSTRUMENT 15PSIG PRESSURE 4IN-H
DWYER 2005 C MAGNEHELIC 0-5IN-H2O 4 IN 1/8 IN NPT P
ASHCROFT FLUID FILLED PRESSURE 0-100PSI 5-13/16IN FACE
WALLACE & TIERNAN CU-2581-GZ 0-160PSI 2 IN 1/4 IN N
WEKSLER GT2-209 0-200PSI 4-1/2IN FACE 1/4IN NPT PRE
PALMER 01159 THERMOMETER 30-240F TEMPERATURE GAUGE
MARSH MASTERGAUGE PRESSURE 0-1000PSI 5 IN DIAL FACE 1/4
ASHCROFT 351495A02B3-15 RECEIVER 0-100% PERCENT 3-1
ASHCROFT BRONZE TUBE PRESSURE 0-100PSI 5 IN 1/4 IN
0-100% PRESSURE 0-15PSI 3-1/2 IN 1/4 IN NPT GAUGE B3450
DWYER 4030C CAPSUHELIC DIFFERENTIAL PRESSURE 0-30IN-H2O
RONNINGEN-PETTE?R P-20275-SS6 1008SL STAINLESS PRESS
45C220B
45C220B