NIVUS - Model OCM F -Ultrasonic Flow Meter

• Cost-effective to purchase
• Intelligent Doppler Technology
• Connection of Type KDA sensors  
• Easy and multilingual programming in dialog mode
• All outputs can be simulated
• Integrated 3-step controller

General description

The OCM F flow meter utilises a fully bidirectional ultrasonic Doppler flow velocity sensor Type KDA. The newly developed intelligent Doppler sensordetects and directly evaluates the flow velocity.
Levels can be measured by either using the sensor-integrated pressure sensor or an external sensor.

Operation / Programming

Thanks to the intuitive user interface it is very easy to set up the OCM F for the requirements of various applications. Programmed settings are indicated clearly. This virtually eliminates mal-function due to faulty programming. Current readings are indicated clearly on the large back-lit graphic display.

• Permanent measurements on storm water basin, storm water retention basin, storm water sedimentation tank
• Discharge volume measurements
• Flow measurements in channel networks
• WWTPs: intake, discharge, intake to activated sludge tanks, return sludge, recirculation
• Industrial wastewater networks
• and many more

Common

• Power supply: 100 to 240 V AC, +10 %/ -15 %, 47 to 63 Hz or 24 V DC +/- 15%, 5% residual ripple
• Power consumption: AC: 7 VA typical, DC: 6 W typical
• Enclosure:
• Material:: Polycarbonate
• Weight: ca. 1200 g
• Protection: IP 65
• Installation: wall or DIN rail mounting
• Ex-Approval: II (2)G [Ex ib Gb] IIB
• Operating temperature: -20 °C to +60 °C / with Ex: -20 °C to +40 °C
• Storage temperature: -30 °C to +70 °C
• Max. humidity: 90 %, non-condensing
• Display: Back-lit full graphic LCD, 128 x 64 pixel
• Operation: 6 keys, menus in German, English, French and Polish
• Inputs:
• 1 x 4 - 20 mA for external level (2-wire probe)
• 2 x 0/4 - 20 mA with 12 bit resolution for external level and external setpoint
• 4 x digital input
• 1 active compact Doppler sensor Type KDA connectable
• Outputs:
• 3 x 0/4 – 20 mA, load 500 Ohm, 12 bit resolution,accuracy 0.1 % (after calibration)
• 5 relay (SPDT), max. load 230 V AC / 2 A (cos. 0.9)
• Controller: 3-step controller, quick close function, adjustable slide valve position in case of error