OCM F

OCM F

OCM F

Product catalog summary
General Description
The OCM F flow metering system uses a bidirectional ultrasonic velocity sensor based on the Doppler method. It provides stable zero-point measurements and a high dynamic range for minimum level and flow. Level measurement can be done via an integrated pressure cell or an external sensor. Key benefits include reasonable cost, reliability from over 30 years of experience, easy installation, and suitability for heavily polluted media.

Typical Applications
The system is used in wastewater treatment plants, storm water basins, channel networks, and industrial wastewater networks. It supports level measurement with pressure or ultrasound and measures particle velocity.

Measurement Principle
The Doppler method involves transmitting an ultrasonic signal into a liquid, where it reflects off particles or gas bubbles. The frequency shift due to particle movement is proportional to velocity, allowing flow velocity determination. The system displays a frequency spectrum for hydraulic assessment.

Memory and Operation
The internal memory stores velocity, temperature, and flow data, accessible via USB. The NivuSoft software facilitates data visualization. The user interface allows easy setup without additional devices.

Specifications
  • Power Supply: 100-240 V AC or 24 V DC
  • Operating Temperature: -20°C to +60°C
  • Protection: IP 65
  • Measurement Range: -600 cm/s to +600 cm/s
  • Measurement Uncertainty: ±1%
  • Temperature Measurement Range: -20°C to +60°C
  • Level Measurement Range: 0.005 - 5 m

Contact Information
NIVUS GmbH and its international branches provide contact details for further inquiries.
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Catalog excerpts

OCM F-1

measure analyse optimise OCM F Flow Meter for part filled and full Pipes, Channels and Flumes

 Open the catalog to page 1
OCM F-2

Reasonable purchase costs Reliable, with more than 30 years of product experience Easy mounting without additional constructions Integrated 3-step controller Measurement in heavily polluted and abrasive media Fix installation flow meter for slightly to heavily polluted media in part filled and full pipes, channels and flumes. General Discription Wedge Sensor The OCM F flow metering system utilises a fully bidirectional ultrasonic velocity sensor. The intelligent Doppler sensor detects and directly evaluates the flow velocity. Other than with mag meters, this method has an absolutely stable zero...

 Open the catalog to page 2
OCM F-3

Transmitter and Receiver Crystals p = Level measurement with pressure (combi sensor) h = Level measurement with ultrasound (external sensor) VP = Particle velocity a = Transmission angle between ultrasound and flow direction Operation / Programming Thanks to the intuitive user interface it is very easy to set up the OCM F for the requirements of various applications. Additional input devices like Computers etc. are not needed. Programmed settings are indicated clearly. The measurement principle is based on the classic Doppler method where an ultrasonic signal with a defined frequency is transmitted...

 Open the catalog to page 3
OCM F-4

Type R2: 200 / Type R3: 300 (with stop ball valve) retaining element M4 x 80 alignment screw (”Installation aid”) Countersunk holes DIN 66-5, but with d1 = ø6.5 mm for direct fastening Slotted holes for fastening on pipe mounting system Wedge Sensor Power consumption Wall mount enclosure Ex approval (option) Operating temperature Storage temperature Max. humidity Operation Input Data memory Transmitter Power supply Wall mount enclosure also suitable for DIN rail mounting. • 100 to 240 V AC, +10 % / -15 %, 47 to 63 Hz or • 24 V DC ±15 %, 5 % residual ripple AC 7 VA typical. CD: 6 W typical • material:...

 Open the catalog to page 4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.