Xylem FC220 OPEN CHANNEL FLOW MONITOR Manuel d'utilisateur télécharger pdf (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

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

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Xylem FC220 OPEN CHANNEL FLOW MONITOR Manuel d'utilisateur Page 5