電極酸度變送器是集PH檢測、自動清洗、電信號轉(zhuǎn)換為一體的工業(yè)在線分析儀表,它是由銻電極與參考電極組成的PH值測量系統(tǒng)。在被測酸性溶液中,由于銻電極表面會生成三氧化二銻氧化層,這樣在金屬銻面與三氧化二銻之間會形成電位差。該電位差的大小取決于三所氧化二銻的濃度,該濃度與被測酸性溶液中氫離子的適度相對應(yīng)。如果把銻、三氧化二銻和水溶液的適度都當(dāng)作1,其電極電位就可用能斯特公式計算出來。
銻電極酸度變送器中的固體模塊電路由兩大部分組成。為了現(xiàn)場作用的安全起見,電源部分采用交流24V為二次儀表供電。這一電源除為清洗電機提供驅(qū)動電源外,還應(yīng)通過電流轉(zhuǎn)換單元轉(zhuǎn)換成相應(yīng)的直流電壓,以供變送電路使用。第二部分是測量變送器電路, 變送器(圖15)它把來自傳感器的基準(zhǔn)信號和PH酸度信號經(jīng)放大后送給斜率調(diào)整和定位調(diào)整電路,以使信號內(nèi)阻降低并可調(diào)節(jié)。將放大后的PH信號與溫度被償
信號進行迭加后再差進轉(zhuǎn)換電路,后輸出與PH值相對應(yīng)的4~20mA恒流電流信號給二次儀表以完成顯示并控制PH值。
上海祥樹SOYERPK-3
上海祥樹SOYERPK-3
KAYMICH SN1A6
FLEX-A-SEAL 32991-BJ 1 Each
HYDAC Material No. 921238,ZBE 3010 CAN adapter for HMG 3010
VENTIM VM8631 DN25 24VAC
WEIDMULLER 1788820000 HDC 04A TOLU1M20G
BRINKMANN 4DESA1GK-F04575
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WITTENSTEIN ITEM:20054541 PIN: 3344663
HYDAC GSV6-10-CE1637.ENISO4126-1.6.G.195.300
RITTAL SK3118.000
IMC CANSAS-SC16
GEORGIN FP6PX
PAULY PV1038/2 230VAC/R/fx Nr.:B85.1086
FESTO 151695 MPYE-5-3/8-010-B
STAUBLI RBE03.7100/IA/3/JV/HPL/SW/32STAUBLICONNECTION
HERION 7030128-HERION-45216
JUMO MIDASS05401010/0000-6bar DC8-30V 4-20mA 2-1
ABB AX410/50001
STABILUS 9154XW0950N
HYDAC 0990 D 010 BN4HC
BAUMER HUBNER HOG 10 D 1024 I/Ser.-Nr. 1916905
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MICHAEL RIEDEL REP 120
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etvac BBSC 250 R
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BRECON 18902201 150W
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KYTOLA 2850-N/L;量程:0 to 3 l/m;連接方式:1/4 in NPT
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HYDAC VM2D.0/-L24
MTS RHM2000MD701S1G8100
TECHNIFO SEMA002/588
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TR 5842-00014 Steps:8192 Rev:4096 PROFIBUS DP 11-27V SN:00173
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KNOLL TS40-21/22 586
ETA WRT04X-U
WEBER Fuse 10 3x38 6A Am
DOLD BN3081 訂貨號:0048701
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TR LA46H SSI 300mm/ART.NR:321-0007
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VOGEL FHDU56N2075+299
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MTS RHM0310MP051S1B2100
MTS Cable 530052
ETA ESX10-TA-100-DC24-6A circuit breaker
BINKS 192873/E2-15
FINDER 55.34.9.024.00.40
SCHUNK LGZ 50 ID:0312936
SCANCON GS10 10×10
VICKERS KDG5V733C170NTMUH110
WURTH 071531100
ITW 79001-05
HISCHMANN SPIDER 5TX
AUMA SA10.1-F10 13104780 ID:4903MD70249 180r/min 10-100Nm
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TWK GIM5142V600
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B+R 8BCF0019.1221B-0_19M
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CUTLERHAMMER E50NN1
WALTHER 1-LP-006-2-L1016-11-2
FRONIUS 42.0001.5128
DATASENSOR CS-A1-02-G-10 帶電纜
WALTHER LP-019-5-11-1
FRAKO LKT 11.7-400-DL K18-0814
DEMAG 50754446
SCHUNK 313399 ZH500
MTS RHM0225 MD631 P102
GSR A632710047108XX
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TEKA 117858
FIBRO 2489.00.56
MAHLE AF6014-005 F.AF62/72 71121516
SIKA VHS25M01171151
E+E EE23-PFTC3026/AB6-T12 4-20mA DC
VAISALA HMT330350B141CHAD100A0ACCBAA1
BARKSDALE SW2000/400bar/1SP/4-20mA
SOMMER DES140D1-99
BRINKMANN KTB200/270-MV+210 0.55KW
LAPPEENRANNAN 99790
RAVARINI AUTO 130.5 matr.:36.7157
DEHN DG 1000 NO.950 102
KISTLER 2180ANCFH0030SB
PULS QS40.244
EFFBE diaphragm Short-stroke device type KH F 2000
WALDMANN RL70CE-136 112 009 000(-00066119) ACRY
RACO T1N7 2330304
REXROTH R902019669
EMB CSH G1/4/WD
IMI NORGRN 1811600000000000
MTS 560886
PERSKE KNS21.05-2 Nr. 01415064 200HZ0.2KW
RITTAL SK 3303100
SITEK SMTR6N-1/4-65 匯流板
VAHLE 143223
FLENDER N-Eupex A315/46004C27110
FRONIUS SC4403502444
GEMU R690 32D7871521FDN
E+H CLS21D-C1E1(帶5米數(shù)字電纜)
PMA NVNZ-M202S/P3
WANDFLUH ZM32101b-H20S792/1827
HASBERG 0.05 478450-0.05
MOOG D663-4718/L03HABM6VS2-A(24VDC)+插頭6P+PE
KUKA 164298
LOCTITE Z6113300 IDH-no.468484
ELECTRO ADDA MOT.3~ FT2A9OL-6 B5 N 1405-156 3665
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NEDERMAN FB363(12600163)
ZIEHL-ABEGG GR31M-2DK.5H.2R 120621
WEISS LUBESYS-0810-0000-00
NEXEN 923635
WOERNER 6210010 M12*1 20mm
B+R X67DL1371
UNICONTROL S-SW-4A
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EATON 70423-REK
GKN 0.687.55.92.00.800、LZ=950MM、LA=110MM
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DEMAG DSE8P222BE
KTR ROTEX GS28 2.6-DIA20/2.6-DIA32
FLUTEC DV-06-01.X/0
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PROMINENT DACA00612000000010EN
FACOM 116.100
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