、其他要求,如環(huán)保及衛(wèi)生等要求;
7、工程儀表選型要有統(tǒng)一的考慮,要求盡可能地減少品種規(guī)格,減少備品備件,以利管理;
8、工藝商的具體要求。
9、實際的工藝情況:
1)考慮被測對象是屬于哪一類設(shè)備。如槽、罐類,槽的容積較小,測量范圍不會太大,罐的容積較大,測量范圍可能較大;
2)要看介質(zhì)的物化性質(zhì)及潔凈程度,常規(guī)的差壓式變送器及浮筒式液位變送器,還要對接觸介質(zhì)部分的材質(zhì)進行選擇;
3)對有些懸浮物、泡沫等介質(zhì)可用單法蘭式差壓變送器。有些易析出、易結(jié)晶的用插入式雙法蘭式差壓變送器;
4)對高黏度的介質(zhì)的液位及高壓設(shè)備的液位,由于設(shè)備無法開孔,可選用放射液位計來測量;[4]
5)除了測量方法上和技術(shù)上問題外,還有儀表投資問題。
綜上所述,變送器的選型,從技術(shù)上要可行,經(jīng)濟上要合理,管理上要方便。
折疊
IMO 536821
COREMO D70997
SCHUNK PWG S-80 0302613
KNOLL KTS 32-48-T5-G-KB
SUCO 0166-40703-1-027
TWK CRP 58-4096 G 4096 EP C01
SCHRACK MT323024 K0119
WINKEL 4.056
B+R X20BR9300
ETAS F-00K-107-679
VOSS 24-SDS-L28-R3/4T
OMIL MFB-140 11121088
HAGGLUNDS 576-4045-242
TWK SWF5B-27
ARCA TYP:961 0-6bar 0-90Psi
SCANCON SCH86BEX1024ALM05006601SH08A
CAMLOGIC PFG-57 110/220VAC 50/60HZ
MTS RHM 1300M P15 1 S1G6100
THERMOSALD 3ES108V6+3ES080A001/1
CYKLOP 71057924
MOBAC 9049-03TPY11C
NOVO LS1-0025-002-411-101
SKF 171-210-052
AEROGEN OXAZ1915C.4.R (Reactor unit for Z1915C.4)
HAINZL DISE 30BVJW
NEUHAUSER GEI4/20 0ET155KIN0005 MAGNETSYS.20A,230..500VAC
SPECK UL 221/100 H #00.0804
MOOG D661-4539C/G35JOAA4VSX2HA
STAUBLI SCT 105021101
RITTAL SV9344.010
HAHN+KOLB 41613635
ELMOT+SCHAFER TE Q3E 100L2D-41
B+R X67CA0P00.0002
EGE SDN 11345
SK RE1505D01
HEIDENHAIN ROD 431025-1024 L9 ID 735117-02
E+H PMD75-1MA7DH121MQ+JA100Mbar
WEIGEL 4KA/60mV
AFAG KLF 15 230V/50HZ 15021614
MTS EP0400MD341A01
KISTLER 18005753 6157BAE
SCHMERSAL SHG03.92/90
ELTRA EL40A2000Z5L6X3PR
SCHMERSAL G50-025M22/22Y-1600-1-1368-3-FL2
HAM-LET hmb21-4vklclc-gf4 S.N.2712865 CT編碼:288114
ABNOX 41928.02 AXDV-C3
HAM-LET HM20-4VKLQ-GF4-ISLT-300PSI 2502047
BUEHLER FUELSTW NT M-XP-MS-M12/500-4S-KN-KT
REXROTH S036.001.AE R15103E181
INFICON 200001545
HYDAC EDS346-3-250-Y00 傳感器
HYDAC LH0240R005BN/3HC
HYDAC EDS345-1-040-000
HYDAC REPAIR KIT-ENFD.2610F1.0
ETA ESX10-TB-101-DC24V-6A
BOURDON HAENNI RPPNCA3206 0-700BAR
HYDAC ZBM310
KONLL KTS 32-64-T
CONDUCTIX MME35/130-2X30 CODE:1002/2426 REF:AE170025A
NIVELCO NIVOCONT RHL-305-6EX
HAIMER A63.050.32.KKB
EUCHNER EGT1SEM4C2221 02479
ELCIS 1/45CC-1000-5-BZ-Y-VN-02
HONSBERG UM3K-025VM-SR
PHOENIX FBS 5-5 3030190
WALKER A39TH
SCHUNK 0340007
PNEUMATECH 1624640775
FACOM 477.32
ALPHA SPG 075-MF1-5-00/080501
MEERSTETTER TEC-1122-SV
BERNSTEIN ENK-A3Z-RIW 608.1917.324(7760903)
HOMMEL C25E 14901-
TWK GIM5362XN2048-LM-WF
JENELEC JE/SM24-30
VSE VS4 VS4GPO12V12A11A/4 24V DC
JOKAB JSR1T-5.1S
STAUBLI 66.9136-21
HEIDENHAIN 557677-14
METAL WORK Model: REG 400;G2
EBM D4E225-BC01-23
KISTLER 6157BASP1.5
FRIESS Model 1S 380v 0.09kw 2-30L/H 300*308*272mm
BOSCH REXROTH 1827000035
WESTLOCK 2645ABYN0CS22AAA-AR2 NO.244432-1 001
MTS RHM0690MP101S3B6105
FUCHS MKF TEU5
PILZ ID:774530
FRABA OCD-DPC1B-1212-B150-H3P
ROTADISK RD-005.0 Pmax 8BAR
PALAZZOLI 472428
GEMU 50M17
上海祥樹DANLY9-0610-26
上海祥樹DANLY9-0610-26