OCF 6.1
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OCF 6.1

Non-Contacting Open Channel Flow Meter

The OCF 6.1 is an open channel flow meter that doubles as a tank level meter, making it a perfect solution for both non-contacting flow measurement and level measurement. The non-contacting open channel flow meter is able to continuously monitor, display, totalize, and data log flow through any flume or weir. The ultrasonic sensor supplied with the OCF 6.1 mounts just 203.2 mm (8 in) above the flowing water giving +/- 0.25% accuracy.

This non-contacting open channel flow measurement device includes a built-in 26 million point data logger and flow reporting system. Use the isolated 4-20mA to transmit flow to remote chart recorders or displays, and the control relays are programmable for level/flow alarm and flow proportionate pulse (for samplers, chlorinators, or remote totalizers).

Use the OCF 6.1 in open channel flow mode for non-invasive flow, irrigation flow monitoring, industrial flow monitoring, and influent and effluent flow.

For tank level measurement, simply mount the ultrasonic sensor at the top of the tank and the separate, watertight electronics/display enclosure is mounted at a convenient nearby location within 152.4 m (500 ft) of the sensor. An intrinsic safety barrier is optional for sensor and cable installations in hazardous rated locations. Get accurate and reliable tank level measurement, stock control, and silo measurement without having to interrupt or shut down the process.

Product Attachments

BROCHURE | DATASHEET | INSTALLATION MANUAL

Category: Brand:
General Specifications
Spec Name: Description:
Electronics Enclosure NEMA4X (IP 66) polycarbonate with clear, shatterproof cover
Accuracy ±0.25% of Range or 2 mm (0.8 in) whichever is greater.
Repeatability & Linearity: ±0.1%
Display White, backlit matrix – displays flow rate, totalizer, relay status, operating mode, and calibration menu
Programming Built-in 5-key calibrator with English, French, or Spanish language selection
Power Input 100-240 V AC 50/60 Hz, see Options. 10 VA max depending on options
Output Isolated 4-20mA / 0-5 V, 1000 ohms load maximum
Control Relays 2 Relays, form ‘C’ dry contacts rated 5 amp SPDT; programmable level alarm, pump control, pump alternation, failsafe/echo-loss, air temperature alarm
Electrical Surge Protection Sensor, 4-20mA and, AC power input
Data Logger Built-in 26 million point data logger with a USB output and Windows software
Operating Temperature (Electronics) -20 °C to 60 °C (-5 °F to 140 °F)
Approximate Shipping Weight 4.5 kg (10 lbs)

 

Sensor Specifications
Spec Name: Description:
Maximum Range 4.57 m (15 ft) with standard PZ15 sensor
10 m (32 ft) with standard PZ32T sensor
Deadband (Blanking) Programmable, Minimum 203.2 mm (8 in)
Beam Angle 8°
Operating Frequency PZ15: 92 kHz
PZ32T: 42 kHz
Exposed Materials PZ15: PVC
PZ32T: PVC and Teflon
Operating Temperature -40 °C to 65 °C (-40 °F to 150 °F) with automatic temperature compensation
Submersion Rating Protected for accidental submersion to 3 m (10 ft) maximum
Sensor Cables RG62AU coaxial, 7.6 m (25 ft) standard length, see Options

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