SUP-LUGB Vortex flowmeter popanda kutentha & kukakamiza kubweza
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Mfundo yoyezera
Madzi amadzimadzi oyenda ndi liwiro linalake ndikudutsa chopinga chokhazikika amatulutsa ma vortices. M'badwo wa vortices umadziwika kuti Karman's Vortices. Kuchuluka kwa vortex kukhetsa ndi mzere wachindunji wa liwiro lamadzimadzi komanso ma frequency amatengera mawonekedwe ndi nkhope m'lifupi mwa thupi la bluff.
Popeza m'lifupi mwa kutsekeka ndi m'mimba mwake wa chitoliro adzakhala mochuluka kapena mocheperapo, pafupipafupi amaperekedwa ndi mawu akuti:
f=STV/d
Mu formula:
f - Karman vortex frequency opangidwa mbali imodzi ya bluff body (Hz)
Nambala ya St - strouhal (nambala yosakhala ya dimensional)
V - pafupifupi liwiro lamadzimadzi (m/s)
d - m'lifupi mwake (m)
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Kuyika
Kulumikizana kwa Wafer: DN15-DN300 (PN2.5MPa yoyamba)
Kulumikizana kwa Flange: DN15-DN50(choyambirira PN2.5MPa)
DN65-DN200(choyambirira PN1.6MPa)
DN250-DN300(choyambirira PN1.0MPa)
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Kulondola
Gasi wopanda malipiro: DN15-DN25–1.5%, DN32-DN200–1.0%, DN250-DN300–1.5%
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Range Ration
Kachulukidwe gasi: 1.2kg/m3, Range chiŵerengero: 8:1
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Kutentha Kwapakati
-20°C ~ +150°C, -20°C ~ +260°C, -20°C ~ +300°C
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Magetsi
24VDC ± 5%
Li batire (3.6VDC)
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Chizindikiro chotulutsa
4-20mA
pafupipafupi
Kuyankhulana kwa RS485 (Modbus RTU)
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Chitetezo cha ingress
IP65
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Zida Zathupi
Chotupitsa chosapanga dzimbiri
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Onetsani
128 * 64 madontho masanjidwewo LCD
Dziwani: mankhwalawa ndi oletsedwa kugwiritsidwa ntchito pakaphulika.