Vrtložna merila protoka

Ukratko o DWM 1000, DWM 2000:
• Merenje i monitoring elektroprovodnih tečnosti,
pasta i suspenzija
Electromagnetic
Elektromagnetni indikatori i
Flowmeters signalizatori protoka and switches
• Temperaturni opseg primene: -25 0 C ... 150 0 C
• Radni pritisak: 25 bar
• Masivna konstrukcija
• Bez pokretnih delova, ne zahteva održavanje
• Delovi u dodiru sa fluidom od nerđajučeg čelika
ili keramike
• Zamena elektronike bez zaustavljanja protoka
• Za cevovode ≥ DN 50/ 2”
The Princip measuring rada: principle:
As Još early davne as 1832, 1832, Majkl Faraday Faradej attempted pokušao to je determine da odredi protok the rate Temze, of flow of
the merenjem Thames napona by measuring koji se indukuje the voltage u reci koja that teče, is induced pod uticajem in flowing zemljinog water
by magnetnog the earth's polja. magnetic Merenje field. protoka bazira se na Faradejevom zakonu
The elektromagnetne electromagnetic indukcije. flow U measurement skladu sa ovim is zakonom, based određeni Faraday's napon law se of
induction. indukuje u According provodniku to ili provodnom this law, a medijumu, certain voltage koji se is kreće induced kroz in magnetno a
conductor polje. Ovaj or napon in a proporcionalan conductive medium je brzini which kretanja moves medijuma. in a magnetic
field. This voltage is proportional to the movement speed of the
medium. Za elektromagnetna merila protoka, indukovani napon se hvata ili preko
mernih elektroda koje su u kontaktu sa mernom supstancom ili putem
For kapacitivnih electromagnetic elektroda, flowmeters, beskontaktno. the induced voltage is tapped either
via two measuring electrodes that are in contact with the measured
substance
Elektronski
or
merni
in a
pretvarač
capacitative
pojačava
manner
signal
with
i konvertuje
no contact.
ga u standardni
(najčešće strujni) i u frekventni pulsirajući (npr. jedan impuls za svaki kubni
An metar electronic merene measuring supstance koja transducer proteče kroz amplifies mernu the cev). signal Da bi and se osiguralo
converts da indukovani it to a napon standard ne bude signal odveden (imposed na zid current) cevi, merna and to cev a se frequency proizvodi
signal od elektroizolacionih (e.g. 1 pulse for materijala every mili 3 se of unutrašnji measured deo substance cevi obloži that izolacionim flows
through slojem. the measuring pipe). To ensure that the induced voltage is
not shorted by the pipe wall, the measuring pipe is made of electrically
insulating material or it is lined with inner insulation.
Masivan Rugged uređaj and maintenance-free:
bez potrebe održavanja:
DWM The DWM 1000 1000 signalizator flow switch protoka and i DWM 2000
indikatorsko flowmeter. merilo protoka.
Kao As the pronalazači inventors i utemeljivači and founders elektromagnetne of electromagnetic tehnologije flow merenja technology, protoka we već have 55
godina been inspiring inspirativni our smo customers za naše kupce for more preko than inovacija 55 years koje with postavljaju innovations standarde that i set
ostalim the standard proizvođačima. for others to follow.
Sa With indikatorima the flow control protoka units DWM DWM 1000 1000 i DWM and 2000, 2000, KROHNE nudi offers svojim its kupcima customers
dva two masivna rugged proizvoda, units, which, koji depending u zavisnosti on od the verzije, version, ili prate either stepen monitor proticanja the flow (DWM rate
1000) (DWM ili 1000) mere or i prenose measure rezultat and display putem izlaza via a 4-20 mA mA (DWM output 2000). (DWM 2000).
Jedini The only preduslov prerequisite je da električna is that the provodljivost electrical medijuma conductivity mora of iznositi the medium najmanje must be
20μS/cm. at least 20 DWM μS/cm. 1000 DWM i DWM 1000 2000 and prekidači DWM 2000 i merila switch protoka and idealni flowmeters su za korišćenje are ideal
for visokohomogenizovanih the use of largely homogeneous tečnosti, pasta liquids, i muljeva pastes sa visokim and sludges sadržajem – also čvrste with a
kod
supstance. proportions of solids.
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