Owner’s Manual for ONICON Insertion Turbine Flow Meters • September 27, 2001
4
1.3 STANDARD FEATURES AND SPECIFICATIONS
(Refer to specification sheet for particular model for additional details)
• F-1100 Series
Accuracy
± 0.5% OF READING at calibrated velocity
± 1% OF READING from 3 to 30 ft/s (10:1 range)
± 2% OF READING from 0.4 to 20 ft/s (50:1 range)
Sensing Method
Electronic impedance sensing (non magnetic and non-photoelectric)
Pipe Size Range
1¼” through 72” nominal
Supply Voltage
24±4 V AC/DC at 50 mA
Liquid Temperature Range
Standard: 180° F continuous, 200° F peak
High Temp: 280° F continuous, 300° F peak
Meters operating above 250° F require 316 stainless steel construction option
Ambient Temperature Range
-5 to 160° F (-20 to 70° C)
Operating Pressure
400 PSI maximum
Pressure Drop
Less than 1 PSI at 20 ft/s in 1½” pipe, decreasing in larger pipes and lower
velocities
Material
Wetted metal components
Standard: Electroless nickel plated brass
Optional: 316 stainless steel
Electronics Enclosure
Standard: Weathertight aluminum enclosure
Optional: Submersible enclosure
Electrical Connections
Standard: 10’ of cable with ½” NPT conduit connection
Optional: Indoor DIN connector with 10’ of plenum rated cable
Output Signal(s)
Standard: Calibrated frequency output (0-15v pulse)
Optional: Analog and Digital outputs also available, based on model
• F-1200 Series
This series has all of the features of the F-1100 series plus:
Dual Turbines and frequency output averaging circuitry to provide improved
Accuracy in short pipe runs.
Pipe size range is 2½” through 72” nominal
• FB-1200 Series
This series has all the features of the F-1200 series plus:
Capability of detecting and reporting flow direction
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