Fluid Components International ST51 - Manual (Page 2)

FLUID COMPONENTS INTERNATIONAL LLC ST51 MASS FLOW
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Instrument
Media Compatibility: Biogas, Digester Gas, Methane, Natural
Gas, Air, Compressed Air, Nitrogen
Pipe/Line Size Compatibility: 2" to 24" [51 mm to 610 mm]
Flow Range: 0.3 sfps to 400 sfps [0,08 mps to 122 mps]
Accuracy: (at >0.75 sfps [>0,21 nmps] )
Standard: ± 2% reading ± 0.5% full scale
Optional: ± 1% reading ± 0.5% full scale
Repeatability: ± 0.5% reading
Temperature Compensation:
Standard: 40 °F to 100 °F [4 °C to 38 °C]
Optional: 0 °F to 250 °F [-18 °C to 121 °C]
Turndown Ratio: 3:1 to 100:1
Agency Approvals:
ATEX/IEC Ex: II 2 G Ex d IIC T6...T3
II 2 D Ex tD A21 IP67 T90°C...T121°C
FM, CSA: Class I, Div. 1, Groups B, C, D (Enclosure only)
Class I, Div. 2 Pending
CRN No.: 0F0303
Warranty: 1 year
Flow Element
Installation: Insertion, variable length with 1/2" or 3/4" NPT(M)
compression fitting.
Type: Thermal Dispersion
Material of Construction: 316L stainless steel body with
Hastelloy-C22 thermowell sensors, 316 stainless steel
compression fitting with Teflon or stainless steel ferrule.
Pressure (Maximum Operating without Damage):
Stainless steel ferrule: 500 psig [34 bar(g)]
Teflon ferrule: 150 psig [10 bar(g)]
Operating Temperature:
Stainless steel ferrule: 0 °F to 250 °F [-18 °C to 121 °C]
Teflon ferrule: 0 °F to 200 °F [-18 °C to 93 °C]
Process Connection: 1/2" MNPT or 3/4" MNPT with stainless
steel or Teflon ferrule.
Insertion Length (Field Adjustable):
1" to 6" [25 mm to 152 mm]
1" to 12" [25 mm to 305 mm]
1" to 18" [25 mm to 457 mm]
Flow Transmitter
Enclosure: NEMA 4X [IP67], aluminum, dual conduit
ports with either 1/2" Female NPT or M20x1.5 entries.
Epoxy coated.
Operating Temperature: 0 °F to 140 °F [-18 °C to 60 °C]
Input Power:
DC: 18 Vdc to 36 Vdc (6 watts max.)
AC: 85 Vac to 265 Vac (12 watts max.; CE Mark Approval
for 100 Vac to 240 Vac)
Analog Output Signals: Dual 4-20 mA, configurable to
flow rate and/or temperature (500 ohm max impedance)
and a pulse output for total flow.
Output Pulse Source: Totalized flow or alarm set point.
15VDC. Pulse width at 50% duty cycle for rates 1 to
500Hz, 0.5 second pulse width for pulse rates below 1Hz.
25mA maximum load pulsed, 10mA maximum load if state
set to normally on.
Output Pulse Sink: Totalized flow or alarm set point. Pulse
width at 50% duty cycle for rates 1 to 500Hz, 0.5 second
pulse width for rates below 1Hz. Customer power source
and load not to exceed 40VDC and 150mA.
Communication Port: RS-232C. Wireless IR to PDA with
optional digital display models.
Digital Display: Two-line x 16 character LCD; displays
measured value and engineering units. Top line assigned to
flow rate, second line user assignable to temperature
reading, flow totalizer or alternating. Display can be
rotated in 90° increments for optimum viewing orientation.
Installation and Mounting: Integral with sensor element
or remote mountable
up to 50' [15 m].
Specifications