Sutron CFB Accubar Constant Flow Bubbler Part Numbers

Sutron CFB Accubar Constant Flow Bubbler) Part Numbers 56 -0133 -25 Single Orifice 56 -0134 -25 Dual Orifice

Constant Flow Bubbler -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

CFB Specifications • Accuracy – 0 -20 ft +/- 0. 01 ft. 20. 0 - 57. 5 ft. 0. 05% reading • Desiccant Life -Approximately 1 year depending on humidity at station and bubble rate and purge rate • Average Power - <8. 3 m. A @ 12 V for 3 sec measurement 15 min. interval, no purge • Quiescent Current <1 m. A • Pump On Current - 4 Amp max, 2. 5 Amp typical • Pressure Range - 0 – 25 psi (0 -57. 5 ft or 17. 5 m of water)

More Specs • • Outputs -SDI-12, RS 232, RS 485 • Bubble Rate -User Definable • Purge Pressure -User Settable - 50 psi Max (Default) • Enclosure -Nema 4 Fiberglass 12” x 15” x 7. 5”

CFB Pneumatic System Single 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 50 PSI

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 0 XS+10. 00+1! – This command sets the water level reading to 10. 00 feet of water -Changing measurement units 0 XUP+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.

Purging the Orifice Tube • 2 Setup Options for Purging – Auto Purge – Schedule an Orifice Line Purge at Regular Scheduled Interval – Auto. Blockage 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.

Bubbler Line Termination