Magnetic inductive flow sensors

Transkript

1 Magnetic inductive flow sensors Series induq VMI Advantages Robust metal housing Nominal pipe size ¼, ⅜ and ¾ Wide measuring range 1:6 (1:5) Frequency or analog and frequency output Delivery inlcuding works calibration certificate Type VMI2 / VMI1 Free pipe cross-section 1

2 Type VMI7 VMI1 VMI2 Characteristics Nominal pipe size ¼ ⅜ ¾ Process connection ½ NPT male ½ NPT male or ¾ NPT male 1 NPT male Inner diameter.4 x.16 inch.4 inch.79 inch Flow range GPM GPM GPM Accuracy* ±1.5 % of reading ±.3 % of range Repeatability* 1 % Response time <5 ms Signal output starting from.11 GPM.24 GPM 1.1 GPM Medium / min. conductivity of medium Water and other conductive liquids / 5 µs/cm Medium temperature F Ambient temperature Pressure rating Flow indication Degree of protection EN 6529 Min. 41 F, max. see figure temperature limits Max. 232 psi LED green, flow proportional flashing IP65 (with attached cable socket) Electrical data Electrical connection Plug connector M12 x 1 Power supply 24 VDC (±1 %) Current consumption 15 ma * Test conditions: Water 73 F at 15 ±1 µs/cm; standard pulse rate Temperature limits upper limit Frequency output Ambient [ F] Frequency and analog output 4 lower limit Medium [ F] 2

3 Three different versions available: Frequency output Analog output ma and frequency output Analog output...1 V and frequency output Frequency output VMI7 VMI1 VMI2 Pulse rate Optional* 2 pulses/gallon pulses/gallon 1 pulses/gallon pulses/gallon 25 pulses/gallon pulses/gallon Resolution Optional*.5 gallons/pulse gallons/pulse.1 gallons/pulse gallons/pulse.4 gallons/pulse gallons/pulse Signal shape Signal current Square wave signal, pulse duty ratio 5:5, Push-Pull 1 ma, current limited Analog output ma VMI7 VMI1 VMI2 Corresponds to flow rate**..5 GPM or...8 GPM..1 GPM or or...66 GPM Max. burden 25 Ω against GND Analog output...1 V VMI7 VMI1 VMI2 Corresponds to flow rate**..5 GPM or...8 GPM..1 GPM or or...66 GPM * Factory configurable ** Other ranges available on request 3

4 Typical pressure drop VMI7 / VMI1 Typical pressure drop VMI Pressure drop p [psi] VMI VMI Flow rate [GPM] Pressure drop p [psi] VMI Flow rate [GPM] VMI7 / VMI1 VMI2 Weitergabe sowie Vervielfältigung dieser Dokumente, Verwertung und Mitteilung ihres Inhalts sind verboten, soweit nicht ausdrücklich gestattet. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte für den Fall der Patent-, Gebrauchsmuster- oder Geschmacksmustereintragung vorbehalten. SIKA Unternehmensgruppe, Kaufungen, Deutschland M12x * n.4 Weitergabe sowie Vervielfältigung dieser Dokumente, Verwertung und Mitteilung ihres Inhalts sind verboten, soweit nicht ausdrücklich gestattet. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte für den Fall der Patent-, Gebrauchsmuster- oder Geschmacksmustereintragung vorbehalten. SIKA Unternehmensgruppe, Kaufungen, Deutschland M12x n Any unauthorized copying, disclosure or distribution of this document and its contents is strictly forbidden unless specifically authorised. Any violation will lead to indemnity. All rights reserved, particularly in the event of patent grant, registration of a utility model or design patent. SIKA Company Group, Kaufungen, Germany 1/2-14 NPT 3/4-14 NPT **.55 Plug connector LED 1.2 optional * =VMI7 ** =VMI1 optional All dimensions in inch * VMI7 ** VMI1 optional (Verwendungsbereich) (Zul. Abw.) (Oberfläche) Maßstab: 1:1 (Werkstoff, Halbzeug) Katalogabbildungen USA ISO 2768-m DIN ISO 132 (SIKA-Artikelnummer) Datum Name Bearb Thomas Gepr. Norm c ¾-14NPT optiona CT b neues Gehäuse CT a Dezimalpunkte CT Zust Änderung Datum Name (Urspr.:) Dr. Siebert & Kühn GmbH & Co KG Struthweg Kaufungen Any unauthorized copying, disclosure or distribution of this document and its contents is strictly forbidden unless specifically authorised. Any violation will lead to indemnity. All rights reserved, particularly in the event of patent grant, registration of a utility model or design patent. SIKA Company Group, Kaufungen, Germany (Ers. f.:) NPT.98 (Gewicht) VMI7.../VMI1.../VMI2... Abmessungen VMI 7/1/2 NPT Plug connector für Datenblatt USA Blatt MID-29a 1 2 Bl. (Ers. d.:) LED optional 1.14 All dimensions in inch (Verwendungsbereich) (Zul. Abw.) (Oberfläche) Maßstab: 1:1 (Werkstoff, Halbzeug) Katalogabbildungen USA ISO 2768-m DIN ISO 132 (SIKA-Artikelnummer) Datum Name Bearb Thomas Gepr. Norm c ¾-14NPT optiona CT b neues Gehäuse CT a Dezimalpunkte CT Zust Änderung Datum Name (Urspr.:) Dr. Siebert & Kühn GmbH & Co KG Struthweg Kaufungen (Ers. f.:) VMI Abmessungen für Date MID- Materials Electrodes Stainless steel Process connections Stainless steel Measuring pipe PEEK-GF3 O-rings EPDM / FKM optional Housing Casted aluminum 4

5 Order code Example VMI SS Type VMI VMI Flow range / Process connection GPM / ½ NPT male thread...5 GPM...8 GPM...5 GPM...8 GPM GPM / ½ NPT male thread GPM / ¾ NPT male thread GPM / 1 NPT male thread...66 GPM...66 GPM Mounting straps Without (standard) With mounting straps SS LS Material O-rings EPDM (Standard) FKM (Option) 1 5

6 Accessories Length Order code Connection cable with 4-pin cable socket M12 x 1, angle type moulded lead, sheathing material PUR, shielded, (T max = 176 F) UL-approval 1 ft 16 ft 33 ft XVT253 XVT29 XVT27 6