Xylem FC220 OPEN CHANNEL FLOW MONITOR - Manual (Page 5)

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II. FC220 Specifications:
Power Requirements: 12VDC or 18-24VDC Input, +/-10%
Supply Current: 13mA + Sensor Current + Backlight + 4-20mA Output
150mA Maximum Total Current
Backlight Current: 23mA when on
Internal Fuse: 315mA
Power Adaptor: 18VDC Universal Power Supply, 90-220VAC Input
Equation Formats: Manning’s Equation for Round Pipes
Manning’s Equation for Rectangular Channels
Standard Flow Equation: Q=A*(B+Ch)^D
3
rd
Order Polynomial: Q=A+Bh+Ch^2+Dh^3
Stored Flumes: H Type: 0.5, 0.75, 1.0, 1.5, 2.0
HS Type: 0.4, 0.6
Parshall: 1”, 2”, 3”, 6”, 9”, 12”, 24”, 36”, 48”, 60”, 72”
Palmer-Bowlus: 4”, 6”, 8”, 10”, 12”, 15”, 18”, 24”, 30”, 36”
Trapezoidal: 60º
Stored Weirs: Rectangular: 1’, 2’ 3,
V-Notch: 22.5º, 30º, 45º, 60º, 90º, 120º
Cipolletti: 1’, 1.5’, 2’, 3’, 4’
Lookup Table: One, Factory Programmable Only
Output Relays: 4 Independent SPDT Relays, Pulse On Time = 1 Second
Contact Rating: 8A @ 250VAC, 5A @ 30VDC Resistive
Level Sensor Input: 2-Wire or 3-wire, 4-20mA, 0-5VDC, 0-1VDC
Output: 4-20mA Scalable
Display/Keypad: 16 Character x 2 Line Backlit LCD, 8-Button Tactile Keypad
Flow Capacity: 7 Digit Maximum, Auto-Floating point
Totalizer Capacity: 9 Digit Maximum
Auto-Floating Point, Engineering notation supported
Max Volume = 1.0995E12 Cubic Feet (1.0995 x 10^12 Ft³)
Level Capacity: 5 Digit Maximum
Display Resolution: 3 Decimal Places Maximum, Auto-Adjusting
Accuracy: Sensor Accuracy + Equation/Table Error + 0.1% + 1 Digit
Level Units: Feet, Inches, Meters, Centimeters
Volume Units: Cubic Feet, Gallons, Million Gallons, Cubic Meters, Liters
Time Units: Seconds, Minutes, hours, Days
Flow Units: 20 Combinations of Volume and Time Units Above
Dimensions: 7.1”W x 5.1”H x 1.4D (180mm x 130mm x 35mm)
Weight: 1 lb