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OVZ Oval Wheel Flowmeter
Brand: KOBOLD Instruments, IncThe model OVZ oval wheel flow meters are used to measure, monitor and meter viscous liquids. The flow meters function independent of viscosity in the viscosity range between 10 and 800 mm²/s. A maximum pressure loss of 1 bar has been defined at the factory.
This results in different measuring ranges for different viscosities. The oval gearwheels are manufactured from high quality plastic.
Specifications
Brand
Accuracy
- ± 2.5 % of Full Scale
Ambient Temperature Range
- -10° to 60° C (14° to 140° F)
Axle Material
- 304 Stainless Steel
BSP Connection
- G 1/2” Female
- G 1/4” Female
- G 3/4” Female
Cable Length
- 6.56 feet (2 metres)
Cable Material
- PVC
Consumption
- 10 mA
- 15 mA
- 500 W
Cover Material
- Aluminum
- PMMA
- Polyoxymethylene
- Polysulfone
Display
- 240° Display
- 3-Digit LED Display
Electrical Connectors
- Aluminum Adaptor Box with Cable Connection
- Aluminum Cover Box with Circular Connector M12 x 1
- Connector Socket DIN 43650
Electrical Contacts
- N/C Contact
- N/O Contact
Enclosure / Body Material
- Aluminum
- Polyoxymethylene
Environmental Protection
- IP65
- IP67
Filter
- 30 μm
Flow Rate
- 0.3 to 40 L/minute to Liquid
Frequency
- 0.3 to 9 Hz
- 2 to 57 Hz
Gasket Material
- EPDM
- FPM
- NBR
Indication
- 240° Indication
- Moving Coil Instrument
Load Impedance
- 250 ohms - Max.
- 500 ohms - Max.
Materials of Construction
- 316 Stainless Steel - Contactors
- Oxide Ceramic Magnets - Contactors
- Polyoxymethylene (POM) - Ovals Wheels
Maximum System Pressure
- psi: 580.2 (kPa: 4,000, bar: 40)
NPT Connection
- 1/2” NPT
- 1/4” NPT
- 3/4” NPT
O-Ring Material
- Ethylene Propylene (EPR)
- Fluorocarbon (FPM)
- NBR
Output
- 0-20 mA
- 120 mA - Max.
- 3.5 mA - Max.
- 4-20 mA
- Maximum
Output Function
- NAMUR - Pulse Output
Power Requirement
- 12-28 Vdc
- 18-30 Vdc
- 24 Vdc ± 20 %
- 5-24 Vdc
Process Temperature
- -10° to 80° C (14° to 176° F)
Sensor / Probe Connection
- 3-Wire
Supply Voltage
- 12-28 Vdc
- 18-30 Vac
- 24 Vdc ± 20 %
- 5-24 Vdc
- 8.2 Vdc - Nominal
Switch Type
- NAMUR, Asymmetrical
- PNP & NPN, Asymmetrical, Open Collector
Temperature Range
- 80° C (176° F) - Max.