Flocorp ChannelFlo™ OCRA Radar Open Channel Flow Meter

Flocorp ChannelFlo™ OCRA Radar Open Channel Flow Meter is an all-in-one solution preconfigured for open channel flow. The OCRA can provide accurate measurements in a wide variety of applications such as small streams, sewers, large rivers, V-notch weirs, and flumes.

Our technology allows precision continuous measurement that allows the user to monitor remotely at the convenience of a PC or locally at the display. All of our ChannelFlo™ systems are calibrated for your specific application before leaving our factory for easy setup and installation in the field. In an Open Channel application, it is very important to have a quality, durable, and accurate level measurement sensor. Our Tracer Air™ Radar Level Transmitter measures up to 98 feet, has no moving parts, and can measure solids or liquids.

The next component in the OCRA is an intuitive, reliable monitoring device. Our CONNEX 3D™ is a high performance, industrial-grade analog I/O device with digital communications that offer flexibility, reliability, and affordability on a DIN mount platform. The CONNEX 3D™ is supplied with remote monitoring software that can remotely monitor, receive e-mail alerts, data log, and much more. If you require a pump to control the eXmod™ Relay Expansion module is recommended. The eXmod connects to the CONNEX 3D™ via RS-485 serial communication (4-wire) and provides a 10 AMP AC/DC rated relay to maximize the system’s capabilities.

Flocorp ChannelFlo™ OCRA Features & Benefits

Small antenna size, non-contact radar, rugged design
Pre-calibrated for easy installation and setup
No moving parts
Measures solids or liquids
Ideal for difficult levels measurement applications such as vapor, steam, pressure, change of temperature, dust, and foam.
High SNR, even in the case of fluctuations results in the accurate performance
High frequency, the best choice to measure solids, and low dielectric media

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Specifications

Measuring Range	SS 304: 98 feet (30 meters)
Measuring Range	PTFE: 65 feet (20 meters)
Process Connection	1½ NPT
Antenna Material	SS 304 or PTFE
Accuracy	±0.1in
Application Temperature	-40ºF to 482ºF (-40ºC to 250ºC)
Process Pressure	-0.1 ~ 4.0 Mpa
Frequency Range	26GHz
Signal Output	4-20mA / HART®(Two-wire / Four) RS485/ Modbus
Cable Entry	1/2 NPT
Hazardous Location	Intrinsically Safe (Exia IIC T6 Ga)
Display Type	6-digit, Red LED
Display Units	Engineering
Decimal Point	Up to 5 places
Display Output	-99999 to 999999
Status Indicators	(1) Totalizer, Yellow LED
Status Indicators	(4) Relay, Red LED
Display Height	0.6” (15 mm)
Over Range	The display flashes HIGH and Max. Display Value
Under Range	Display flashes LOW and Min. Display Value
User Interface	Four touch screen buttons or DigaLink PC Windows® Software
Display Refresh Rate	Once Per Second (1/s)
Password	Programmable, restricts modification of settings
Operating Temperature	F: 32º to 140º C: 0º to 60º
Storage Temperature	F: -40º to 185º C: -40º to 85º
Relative Humidity	0 to 90º non-condensing
Accuracy	±0.1% of calibrated span ± count
Temperature Drift	0.005% of calibrated span/º C max from 0 to 65ºC ambient; 0.01% of calibrated span/ºC max from -40 to 0º C ambient
Supply Voltage	AC Supply: 90-265 VAC @ 50-60 Hz, 15W Max.
	DC Supply: 12-28 VDC @ 0.5A
	(Fuse protected via 0.5A slow blow)
Transmitter Power	120 mA @ 24 VDC
	24 VDC for AC powered units;
	For DC powered units, supply voltage equals the DC input voltage
Pulse Input	1 to 24 VDC, 1 to 3000 Hz
Frequency Input	125 mV to 12 VAC, 1 to 30 KHz
Digital Input	Remote total reset
Analog Input	4-20 mA current loop, 0-5 VDC, 1-5 VDC, 0-10 VDC
Analog Output	Isolated 4-20 mA current loop