3 CFB Specifications Accuracy 0-20ft +/ ft ft. 0.05% readingDesiccant Life -Approximately 1 year depending on humidity at station and bubble rate and purge rateAverage Power - 12V for 3 sec measurement 15 min. interval, no purgeQuiescent Current <1mAPump On Current - 4Amp max, 2.5Amp typicalPressure Range - 0 – 25 psi ( ft or 17.5m of water)
4 More Specs Outputs -SDI-12, RS232, RS485 Bubble Rate Purge Pressure -User DefinablePurge Pressure-User Settable - 50psi Max (Default)Enclosure -Nema 4 Fiberglass 12” x 15” x 7.5”
7 Dual Orifice Bubbler 2 Holding Tanks 2 Accubar Sensors / Can also use 1 Accubar2 OutputsDesiccant Mounts on Outside of the Enclosure1 Pump
8 Dual Orifice Bubbler Dual Pressure Measurements Density Measurement Measure Inflow and OutflowDensity MeasurementMeasure Water Density2 Outputs - Orifice Tube ConnectionsDesiccant Mounts Outside of the Enclosure
9 SetupThe 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
10 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
11 Setup -ContinuedThere is a Visual Printout of the Menu Tree on the Inside of the Enclosure Door.
12 Setup -Continued -Command Line Interface -Make Serial Connection to CFB using Hyperterm-Baud Rate , No Parity, 8 Data Bits, 1 Stop BitType “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.
13 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 Command0XS ! – This command sets the water level reading to 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 resolutionSee CFB Manual For a Complete List of SDI-12 Commands.
14 Purging the Orifice Tube 2 Setup Options for PurgingAuto Purge – Schedule an Orifice Line Purge at Regular Scheduled IntervalAutoBlockage DetectionIf 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.