ONICON F-5200 Inline - Manual (Page 6)

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F-5200 Inline Thermal Mass Flow Meter Manual 05/14 - 0763-4 / 19476
Page 6
1.3 STANDARD FEATURES AND SPECIFICATIONS
CALIBRATION
Every ONICON thermal mass flow meter is wet calibrated in a flow laboratory against standards that are directly
traceable to N.I.S.T. A certificate of calibration accompanies every meter. Each meter is calibrated for use with a specific gas.
Standard Reference Conditions for Natural Gas:
Standard Reference Conditions for Air:
Fluid: Methane Fluid: Air and all other gases
Fluid Temperature: 60°F Fluid Temperature: 70° F
Fluid Pressure: 29.92” Hg (14.70 PSIA) Fluid Pressure: 29.92” Hg (14.70 PSIA)
Contact ONICON for reference conditions for other fluid types.
ACCURACY
Natural Gas
± 1.0% of reading from 500 – 7000 SFPM
± 2.0 % of reading from 100 – 500 SFPM
Compressed Air & other high velocity calibrations
± 1.0 % of reading + 0.5% of scale over a
100:1
turndown
OVERALL FLOW RANGE
5 to 35,000 SFPM
SENSING METHOD
Thermal mass flow utilizing hybrid analog/digital sensing circuitry, no moving parts
INPUT POWER
24 VDC ±10%, 100 mA maximum current
FLUID TEMPERATURE RANGE
Standard: -40° to +150° F
AMBIENT TEMPERATURE RANGE
-5° to 150° F
MAXIMUM OPERATING PRESSURE
Standard: 250 PSI
MATERIALS OF CONSTRUCTION
Wetted metal components - 316L stainless steel
Sensor head - Platinum windings encapsulated in 316L stainless steel
Electronics enclosure - Powder coat painted cast aluminum
ENCLOSURE RATING
Weathertight, NEMA 4
PROGRAMMING / MEMORY
Factory programmed for specific application.
Non-volatile memory retains all program parameters and totalized values in the event of power loss.
OUTPUT SIGNAL(S)
Analog output: 4-20 mA
Scalable pulse output: Isolated Dry Contact, Contact Ratings 50VDC@100mA, Pulse Duration 500 ms