Sutron CFBAccubar Constant Flow Bubbler)

Part Numbers 56-0133-25 Single Orifice56-0134-25 Dual Orifice

-Self-Contained Bubble Gauge with built-in Logger-Log Capacity 300000 readings-SDI-12 Sensor-Easily Adjustable Bubble Rate-User Selectable Purge Scheduling-Auto-Purge on Blockage Detection

Constant Flow Bubbler

• Accuracy– 0-20ft +/- 0.01 ft. 20.0 - 57.5ft. 0.05% reading

• Desiccant Life -Approximately 1 year depending on humidity at station and bubble rate and purge rate

• Average Power- <8.3mA @ 12V for 3 sec measurement 15 min. interval, no purge

• Quiescent Current <1mA

• Pump On Current - 4Amp max, 2.5Amp typical

• Pressure Range - 0 – 25 psi (0 -57.5ft or 17.5m of water)

CFB Specifications

More Specs•

• Outputs-SDI-12, RS232, RS485

• Bubble Rate -User Definable

• Purge Pressure -User Settable - 50psi Max (Default)

• Enclosure -Nema 4 Fiberglass 12” x 15” x 7.5”

CFB Pneumatic SystemSingle Orifice Sensor

CFB Dual Orifice Option

Dual Orifice Bubbler•

• 2 Holding Tanks• 2 Accubar Sensors / Can also use 1 Accubar• 2 Outputs• Desiccant Mounts on Outside of the

Enclosure• 1 Pump

Dual Orifice Bubbler•

• Dual Pressure Measurements– Measure Inflow and Outflow

• Density Measurement – Measure Water Density

• 2 Outputs - Orifice Tube Connections • Desiccant Mounts Outside of the Enclosure

Setup

The CFB’s Default Setting Will Operate The System Properly For Most Users - Very Little Change To the Initial Setup Is Required. -Default Bubble Rate is 90 Bubbles per Min. -Default Measurement Interval is 15 Minutes-Default 10 Second Averaged Measurement -Default Measurement Units is Feet of Water-Default Purge Pressure 50PSI

Setup -Continued

3 Ways to View and Modify the CFB’s Default Setting.

-Front Panel Key Pad and 2-Line Display

-SDI-12 Commands

-Command Line Interface Using Hyperterm or Procomm or Other Terminal Interface Software

Setup -Continued

There is a Visual Printout of the Menu Tree on the Inside of the Enclosure Door.

Setup -Continued

-Command Line Interface -Make Serial Connection to CFB using Hyperterm -Baud Rate 115200, No Parity, 8 Data Bits, 1 Stop Bit

Type “Help” at the command line prompt to see a list of commands including Measure, Log, Leak Test, Purge, Setup, Status… For some commands type Help in front of the command to get more information. Such as Help Setup, or Help Log to view or download setup information or logged data.

Setup -Continued

-SDI-12 Commands-View and modify the CFB’s default setting via SDI-12

commands, using your data logger’s SDI-12 Interface -Setting the Stage Level with SDI-12 Command

0XS+10.00+1! – This command sets the water level reading to 10.00 feet of water -Changing measurement units0XUP+4+3! – This command sets the units of water level

measurement to Meters of Water (4) with 3 Right Digits resolution

See CFB Manual For a Complete List of SDI-12 Commands.

• 2 Setup Options for Purging– Auto Purge – Schedule an Orifice Line Purge at

Regular Scheduled Interval– AutoBlockage Detection

• If Auto Blockage Detection is Enabled the CFB Will Save Battery Life and Desiccant Life By Purging Only When a Blockage of the Orifice Line is Detected.

Purging the Orifice Tube

Bubbler Line Termination