Vrtložna merila protoka

Top features of the KROHNE devices
9
Merenje otpornosti da bi
Resistance measurement
se ispitala ekranizacija
for
elektroda,
detecting
elektrodni
electrode
kratki
covering, spojevi, nedopušteno electrode niska
short-circuit, provodljivost medijuma, excessively
low takođe conductivity i za merenje and for
measuring provodljivosti the i temperature conductivity
and namotaja, the coil i posredno, temperature
(media temperature temperature). medijuma.
Test Accuracy tačnosti test,
merenja, by means periodičnim of a
zadavanjem cyclically fed testsignala.
test signal
Promena Mixing up polariteta
pobudnog of magnetic magnetnog field polarity polja.
Elektromagnetna Electromagnetic merila
protoka: flowmeters: 3 x 100%
dijagnostika 3 x 100% Diagnostics za maksimalnu
pouzdanost for maximum certainty.
As Kao the prvi, first i dosad and, jedini so far, proizvođač, only manufacturer,
KROHNE svojim
KROHNE kupcima nudi offers uređaje its customers iz svoje OPTIFLUX something porodice for the
OPTIFLUX s daleko naprednijim family beyond dijagnostičkim the usual funkcijama. device diagnostics
su dijagnostički - complete uređaji application s kompletnom or process procesnom dia-
To
gnostics dijagnostikom, and an proverom accuracy tačnosti and linearity i testom linearnosti. test (outof-spec-diagnostics).
U radnom komitetu, pod vođstvom organizacije
In NAMUR, a working i u saradnji committee s predstavnicima under the leadership
proizvođača
of i korisnika, NAMUR postavljene and in cooperation su osnove with za svaki representatives
princip. of Bilo manufacturers koji problem koji and se users, javi prilikom definitions primene
merni
were (npr. mehurići laid down gasa) for može each measuring biti uspešno principle detektovan as
pomoću ovih uređaja.
to which application problems (e.g. gas bubbles)
should optimally be detected by the measuring
devices. Korišćenjem indikatora dobijenih od OPTIFLUX
uređaja i poznavanjem procesa, korisnik može s
Using visokim the stepenom indicators sigurnosti provided da izbegne by OPTIFLUX probleme and
the
nastale
knowledge
prilikom primene:
of the process,
mehuriće
the
gasa,
user
koroziju
can conclude
the following application problem with a
elektroda, naslage na elektrodama, kratke spojeve,
nisku provodljivost, nedovoljnu ispunjenost merne cevi,
high degree of certainty: gas bubbles, electrode
oštećenje obloge merne cevi, spoljašnja magnetna
corrosion, polja, ili poremećeni electrode hidrodinamički coating, short-circuit, profil protoka. low
conductivity, partial filling of the measurement
pipe, damage to the lining, external magnetic
U okviru tih izvanrednih testova, provere se vrše
fields or a disrupted flow profile.
onlajn i periodično, i odlučuje se o tome da li je uređaj
još uvek u okviru specifikovanih zahteva. Konkretno,
During
proverava
the
se
out-of-spec
tačnost zadavanjem
test, a determination
test-signala. Na
is
made kraju, proveravaju online and se cyclically linearnost as samog to whether uređaja the i device
tačnost is still zadavanja within pobudnih its specifications. struja koje In generišu particular,
the magnetno accuracy polje. is checked by feeding a test signal,
the linearity of the device and the accuracy of the
field current with which the magnetic field is generated
S 3x100% dijagnostikom, OPTIFLUX je mnogo više od
merila protoka:
are also
on
checked.
ispituje proces i obezbeđuje vredne
informacije za korisnika. Imajući ovo u vidu, jasno je da
With OPTIFLUX the 3x100% prevazilazi diagnostics, granice postavljene the OPTIFLUX standardom is
far VDI/VDE/NAMUR more than just 2650. a flowmeter: it examines the
process and provides valuable information to the
user. In this respect, the OPTIFLUX even exceeds
the requirements of VDI/VDE/NAMUR 2650.