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Summary of Contents for Kobold OVZ
- Page 1 Operating Instructions Oval Gear Wheel Meter Model: OVZ 622 Mary Street; Suite 101; Warminster, PA 18974 Phone: 267-673-8117 - Fax: 267-673-8118 Sales@cabriggs.com www.cabriggs.com...
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Page 2: Table Of Contents
Recommended spare parts ................. 15 Dimensions ....................16 Declaration of Conformance ............... 20 Manufactured and sold by: Kobold Messring GmbH Nordring 22-24 D-65719 Hofheim Tel.: +49(0)6192-2990 Fax: +49(0)6192-23398 E-Mail: info.de@kobold.com Internet: www.kobold.com page 2 OVZ K03/0416... -
Page 3: Note
Diagram 8, Pipe, Group 1 dangerous fluids 3. Regulation Use The model OVZ is an oval gear, positive displacement flowmeter which can be used to measure and monitor the flowrate of viscous liquid (min. 10 mm²/s to max. 800 mm²/s); (max. viscosity 1000 mm²/s upon request). Only measure clean, non-abrasive liquids with adequate lubricating properties, and against which the materials used in the sensor case are chemically resistant. -
Page 4: Operating Principle
4. Operating Principle The OVZ oval wheel meter is a positive- displacement flowmeter. The measuring element comprises two toothed precision oval gearwheels, which are driven by the liquid inlet pressure. As the liquid rotates the gears, a fixed quantity of liquid is transported through the chambers for every turn of the oval-wheel pair. -
Page 5: Mechanical Connection
(filtration 30 m Installation: The OVZ may be installed in any position; the liquid may flow in both directions. Inlet and outlet pipes are not required. The connection threads may be sealed with sealing tape etc. -
Page 6: Electrical Connection
Meters with cable connections: connect the connection cable with the supply cable. Important! If the connections are incorrectly assigned, the sensor may be seriously damaged. DIN-43650 Plug (OVZ-...l401) Al-housing / Pg 9(OVZ-...l302) Al-Housing / Round plug (OVZ-...l303) PNP (OVZ-...l304) NAMUR (OVZ-...l305) page 6 OVZ K03/0416... -
Page 7: Evaluation Electronics
7.2. Evaluation electronics: Frequency output (OVZ-...F300; ...F3x0) 7.3. Evaluation electronics: analogue output (..L..) 3-wire (OVZ-...L303; ...L343) 3-wire, DIN 43650-plug (OVZ-...L443) n.c. Signal Signal 7.4. compact electronics: (..C30r, ..C30M, ..C34P, ..C34N) see instruction manual-addition for compact electronics with frequency output. OVZ K03/0416... -
Page 8: Evaluation Electronics: Pointer Display
The instruments are pre-adjusted. After electrical connection they are ready for operation. For changing of setting refer to operating manual for compact electronic with frequency output 8.4. Pointer display (..Z300, ..Z340) The instruments are pre-adjusted. After electrical connection they are ready for operation. page 8 OVZ K03/0416... -
Page 9: Mechanical Operation
(option: 1000 mm Ambient temperature: -10 °C to +60 °C Medium temperature: -10 °C to +80 °C Max. pressure: OVZ-..1, OVZ-..2: 10 bar OVZ-..3, OVZ-..4: 16 bar OVZ-..5 : 40 bar Accuracy: ± 2.5 % f. s. Filter mesh size: max. - Page 10 Analogue output (...L303; ...L343, ...L443) Power supply: 24 V ± 20 % Output: 4-20 mA, 0-20 mA, 3-wire Max. load: 500 ohm Electr. connection: connector M12x1 or DIN 43650 Option: plug-on display AUF-3000 (with DIN connector only) page 10 OVZ K03/0416...
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Page 11: Pressure Loss
240 ° indication Power supply: 24 V ± 20 % Output: 0-20 mA or 4-20 mA, 3-wire Max. load: 250 ohm Electr. connection: connector M12x1 11. Pressure loss 11.1. POM- plastic housing OVZ-02... OVZ-04... OVZ K03/0416 page 11... -
Page 12: Aluminium Housing
OVZ-15... OVZ-30... 11.2. Aluminium housing OVZ-02... OVZ-04... page 12 OVZ K03/0416... - Page 13 OVZ-15... OVZ-30... OVZ K03/0416 page 13...
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Page 14: Order Codes
..Z340= 240°-pointer indication,4-20 mA, connector M12x1 Digital indicators and transducers to this oval wheel flow meter please see end of brochure. Plug-on display for Model OVZ... L4 ... (with 4-20 mA output and DIN-connector) Description Order number 3-digit LED, plug-connection DIN 43 650... -
Page 15: Maintenance
Insert O-ring; replace cover and firmly tighten screws crosswise. 15. Recommended spare parts 1.0 Pair of oval gearwheels 2.0 NBR, FPM, or EPDM O-ring 3.0 POM, PMMA, PSU, or AL cover Always specify the meter model when ordering spare parts. OVZ K03/0416 page 15... -
Page 16: Dimensions
OVZ-...l401 F [mm] [mm] [mm] ..1..2..3/ 4..5.. OVZ-02... 43,5 OVZ-04... 44,5 OVZ-15... OVZ-30... 84,5 87,5 79,5 OVZ-...l302, OVZ-...l303 F [mm] [mm] [mm] ..1..2..3/ 4..5.. OVZ-02... 43,5 OVZ-04... 44,5 OVZ-15... OVZ-30... 84,5 87,5 79,5 page 16... - Page 17 OVZ-...l304, OVZ-...l305 NAMUR PNP/ NAMUR A [mm] B [mm] A [mm] B [mm] G [mm] H [mm] OVZ-02.. 21,5 13,5 16,5 13,5 OVZ-04.. OVZ-15.. OVZ-30.. OVZ K03/0416 page 17...
- Page 18 OVZ-...L3... OVZ-...F3... OVZ-...L443 with AUF-3000 OVZ with frequency or analogue output: overview Plastic housing (POM) Description Dimension Dimension Dimension 68 OVZ-02 1 = POM 68 OVZ-02 2 = PMMA 68 13.7 OVZ-04 1 = POM 68 OVZ-04 2 = PMMA 13.7...
- Page 19 OVZ-…C3… OVZ-…Z3… OVZ with compact electronics: overview Plastic housing (POM) Description Dimension Dimension Dimension 68 19.525 OVZ-02 1 = POM 68 19.525 OVZ-02 2 = PMMA 68 OVZ-04 1 = POM 16.95 68 OVZ-04 2 = PMMA 16.95...
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Page 20: Declaration Of Conformance
17. Declaration of Conformance We, Kobold Messring GmbH, Hofheim-Ts, Germany, declare under our sole responsibility that the product: Oval Gear Wheel Meter Model: OVZ-... to which this declaration relates is in conformity with the standards noted below: EN 61000-6-2:2006 Electromagnetic compatibility (EMC) - Part 6-2: Generic standards - Immunity for...
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