Baseline Inc

- Irrigation Flow Sensors

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The Baseline PFS Series Flow Sensors have a unique low drag, a lightweight impeller design, and a specially engineered tee cavity and impeller placement to ensure smooth flow and precise performance at the lowest flow rates.   Every Baseline PFS Series Flow Sensor is two-wire ready with a Flow biCoder built into the tee insert.  Because a Flow biCoder is built into each flow sensor, every device comes pre-configured with the correct K and offset values. The PFS Series Flow Sensors are available in 1½” to 4” sizes.

Flow biCoders™

Features

  • The Flow biCoder has true two-way communication using a 9-byte packet for commands and replies.
  • The Flow biCoder is capable of self-identifying to the two-wire controller and will report pre-configured unique serial numbers and zone addresses.
  • The Flow biCoder serial number is printed on the side of the decoder.
  • Each Flow biCoder has 24 inches of 16-gauge PVC jacketed solid core wire to connect to the two-wire.
  • Each Flow biCoder has 24 inches of 18-gauge PVC jacketed stranded core wire to connect to a pulse output flow meter.
  • The Flow biCoder can be connected to flow devices with either 2 or 3 wires.
  • The Flow biCoder has collision detection on the two-wire and is able to resend messages if a collision is detected.
  • The Flow biCoder reads a minimum of a 5-millisecond low pulse at 200 hertz and a maximum of 200 pulses per second.
  • The Flow biCoder is able to search for a flow meter.
  • The Flow biCoder is able to run a pulse-output flow meter up to 1000 feet away.
  • The Flow biCoder has a built-in amperage meter to accurately measure and diagnose flow meter electrical problems such as “no current,” “station short,” or “over current.” 

Connection Requirements

  • Use two-wire connectors that are DBR/Y or equivalent direct bury splice, made for full submersion and effectively seal moisture out.
  • Make all connections per manufacturer’s specifications.
  • Verify that no loose, unshielded wiring can touch the soil, water, or another copper conductor causing a leakage of current to the ground or a short circuit across wires.
  • Make all splices inside a valve box.
  • Mount all connections vertically to eliminate standing water inside the DBR/Y connector.

Flow Features in the Irrigation Controller Software

  • Learn the flow for each zone
  • Use flow data to maximize the number of zones the controller can turn on at once to help shorten your water windows
  • In the event of unexpected high or low flow, automatically determine which zone is at fault and alert you without interrupting the rest of the watering cycle
  • Protect your site from mainline breaks with configurable high and low flow shutdown settings

Baseline's Irrigation Flow Sensors and Flow Meters

PFS Series Flow Sensor Features

  • Molded Mounting Tee - improved sensor accuracy and low flow performance
  • Threaded Retaining Nut - easier to service in valve box, more moisture resistant than competitive sensors
  • Lightweight Impeller - improved low flow performance, detects and measures flows as low as 0.20 ft/sec
  • Built-in two-wire decoder
  • Pre-configured K and Offset values
  • Sensor can be connected directly to the two-wire path on any Baseline controller - no additional equipment required
  • Diagnostic LEDs - visual indication of flow, improved troubleshooting
  • Detects and properly measures lower flow rates - compatible with micro and subsurface drip applications
  • Highly accurate over a large range of flows
  • Available in 1”, 1.5”, 2”, 3” and 4” versions

PFS Series Flow Sensor Specifications

  • Wetted Materials: 
    • Impeller: High Density Polyethylene
    • Shaft: Tungsten Carbide
    • O-ring: BUNA N
    • Tee, housing and retaining nut: Type 1 PVC
  • Connection Type
    • 1', 1.5', & 2'  Slip
    • 3' & 4'    Saddle mount
  • Maximum Working Pressure
    • 1', 1.5', & 2'  240 psi
    • 3' & 4'    150 psi
  • Recommended Flow Range
    • 1', 1.5', & 2'  0.25 to 15 FPS
    • 3' & 4'    0.25 to 12 FPS
  • Pressure Rating: designed to Schedule 40 specifications
  • Electrical Output: Baseline two-wire, 30 VAC RMS
  • Temperature Range: 32°F to 140°F (0°C to 60°C)
  • Accuracy: better than ±1% within recommended flow range
  • Repeatability: better than ±0.3% within recommended flow range

BFS Brass Flow Sensor Features

  • Brass bodied sensor with female NPT connections
  • Threaded Retaining Nut - easier to service in valve box, more moisture resistant than competitive sensors
  • Lightweight Impeller - improved low flow performance, detects and measures flows as low as 0.50 ft/sec
  • Built-in two-wire decoder
  • Pre-configured K and Offset values
  • Sensor can be connected directly to the two-wire path on any Baseline controller - no additional equipment required
  • Diagnostic LEDs - visual indication of flow, improved troubleshooting
  • Highly accurate over a large range of flows
  • Available in 1½”

BFS Brass Flow Sensor Specifications

  • Wetted Materials:
    • Impeller: High Density Polyethylene
    • Shaft: Tungsten Carbide
    • O-ring: BUNA N
    • Tee, housing and retaining nut: Type 1 PVC
    • Body and Retaining Nut Material: Lead free Bronze Alloy C89833 Federalloy® I-836
  • Connection Type
    • Female Pipe Thread (NPT)
  • Maximum Working Pressure
    • 250 psi
  • Recommended Flow Range
    • 0.50 to 15 FPS
    • 3 to 90 gpm
  • Electrical Output: Baseline two-wire, 30 VAC RMS
  • Temperature Range: 32°F to 140°F (0°C to 60°C)

BFM Series Flow Meter Features

  • Small, rugged, highly reliable - only one moving part
  • No straight pipe installation requirement
  • Highly accurate over a large range of flows
  • Magnetically driven sealed register with totalizer
  • Baseline two-wire ready - no decoder required
  • Compatible with all Baseline controllers
  • Pre-configured K and Offset values

BFM Series Flow Meter Specifications

  • Maximum Working Pressure: 140 psi
  • Maximum Liquid Temperature: 122oF (50oC)
  • Body Material: Corrosion Proof Copper Alloy with Polyester Coating
  • Connections: Male Pipe Thread (NPT)
  • Electrical: Baseline two-wire (30 VAC RMS)

BHM Series Hydrometer & Master Valve

  • Combination master valve, water meter, and flow sensor
  • Rugged, heavy-duty construction
  • Fast and highly reliable double-chambered valve
  • No straight pipe installation requirement
  • Highly accurate over a large range of flows
  • Magnetically driven sealed register with totalizer
  • Baseline two-wire ready – no additional decoders required
  • Compatible with all Baseline controllers
  • Pre-configured K and Offset values
  • Optional pressure regulation available

BHM Series Hydrometer Specifications

  • Maximum Working Pressure: 235 psi
  • Minimum Working Pressure: 14 psi
  • Connections: National Pipe Thread or ANSI Flange
  • Body Material: Cast Iron with Polyester Coating
  • Diaphragm Material: Reinforced natural rubber
  • Electrical: Baseline two-wire (30 VAC RMS)

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