ONICON FB-3500 Series - Manual (Page 6)

11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax (727) 442-5699 • [email protected]
FB-3500 Bi-Directional Insertion Electromagnetic Flow Meter Manual 05/14 - 0718-3
Page 6
1.3 STANDARD FEATURES AND SPECIFICATIONS
Accuracy
± 1.0% of reading from 2 to 20 ft/sec
± 0.02 ft/sec below 2 ft/sec
Sensing Method
Electromagnetic, no moving parts
Pipe Size Range
3” through 72” nominal
Input Power
20 - 28 VAC 50/60 Hz, 250 mA maximum
20 - 28 VDC, 250 mA maximum
Liquid Temperature Range
15° to 250° F
Ambient Temperature Range
-5° to 150° F
Operating Pressure
400 PSI maximum
Pressure Drop
Less than 0.1 psi at 12 ft/s velocity in 3” and larger pipes
Materials of Construction
Wetted metal components - 316L stainless steel
Sensor head - Polypropylene
Electronics enclosure - Powder coat painted cast aluminum
Enclosure Rating
Weathertight, NEMA 4
Electrical Connections
10’ of PVC jacketed cable with ½” NPT conduit connection
OUTPUT SIGNALS PROVIDED
Analog Output (Isolated)
Selectable: 4-20 mA, 0-10 V or 0-5 V
Frequency Output
0 – 15 VDC, 0 – 500 Hz
Pulse/Contact Closure Outputs (four)
Isolated solid state dry contact
Contact maximum ratings: 100 mA, 50 VDC
Scalable Pulse Outputs (two)
Forward & Reverse Flow Totalization
Pulse Duration: 0.5, 1, 2 or 6 seconds
Directional Contact Output:
Switch closed when flow is in direction of flow arrow on enclosure
Latches at 0.2 ft/s
Switches within 20 seconds of direction change
Master Alarm Output:
Switch closed indicates alarm condition
This product is covered by one or more of the following patents: 6,431,011 and 6,463,807.