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The ST98L in-line style mass flow meter is the flow measurement solution for virtually any gas or gas mixture in line sizes 1" to 2" (25 to 50 mm).

With ST98L, FCI combines superior, equal mass thermal-dispersion flow sensing elements and precision electronics with exacting actual fluid calibration and a choice of rugged, industrial enclosures to deliver accurate, highly repeatable flow measurement and long lasting service for the most demanding processes.
Features
  • Air and gas direct mass flow measuring
  • Flow rate, total flow and temperature display
  • No moving parts, lowest maintenance
  • Line sizes 1" to 42" (25 to 1,066 mm)
  • Precision calibrated
  • Fluid temperatures to 454° C (850° F)
  • Rugged, all-metal agency-certified enclosures
  • Integral and remote electronics versions
  • Comprehensive approvals for hazardous locations
  • RS232C, HART and PROFIBUS communications
  • 110 year MTBF

Specifications

Accuracy

  • Flow: ± 1 % of Reading
  • Flow: 0.5 % of Full Scale
  • Temperature: ± 2° C (± 2° F), Display Only, Flow Rate Must be greater than 5 AFPS (1.5 m/sec)

Applications

  • Cement, Stone, Brick, Glass
  • Chemicals
  • Food & Beverage
  • Manufacturing Industry
  • Metal
  • Mining
  • Oil & Gas Applications
  • Power Utilities
  • Pulp & Paper
  • Refineries
  • Wastewater Treatment, Landfills

Approvals & Certifications

  • ISO 9001
  • AS 9100
  • ATEX: II 2 G Ex d IIC T6 to T1, II 2 D Ex TD A21 IP67 T85° to 450° C
  • CE
  • CPA
  • CRN
  • CSA: Non-Incendive Class I, Div. 2, Groups A, B, C, D, Class II, Div. 2, Groups F, G, Explosion-proof Class I, Div. 1, Groups B, C, D, Dust Ignition-proof, Class II/III, Div. 1, Groups E, F, G
  • FM: Non-Incendive Class I, Div. 2, Groups A, B, C, D, Class II, Div. 2, Groups F, G, Explosion-proof Class I, Div. 1, Groups B, C, D, Dust Ignition-proof, Class II/III, Div. 1, Groups E, F, G
  • GOST/RTN
  • IECEx: Ex d IIC T6 or T5, Tamb (Housing) = -40° to 40° C, T6, Tamb (Housing) = -40° to 60° C, T5, Tp (Sensing Element) = -40° to 177° C
  • NEPSI
  • PED

Cable Length

  • Remote Transmitter Configuration (Interconnecting Cable): up to 1000 feet (300 metres)

Cable Material

  • PVC

Communication

  • HART, Full Two-Way Communications
  • PROFIBUS, DP Profile 3 (Certification Z01212)
  • RS-232C Serial I/O

Display

  • LCD, Two-Line x 16-Character LCD: Digital Display

Enclosure, Body Material

  • Aluminum
  • Carbon Steel

Environmental Protection

  • IP66
  • IP67
  • NEMA 4X

Flange Material

  • 316 Stainless Steel
  • Carbon Steel
  • Hastelloy C

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - 150# ANSI
  • 1-1/2” (DN 40) - 300# ANSI

Flange Size - 1” (DN 25)

  • 1” (DN 25) - 150# ANSI
  • 1” (DN 25) - 300# ANSI

Flange Size - 2” (DN 50)

  • 2” (DN 50) - 150# ANSI
  • 2” (DN 50) - 300# ANSI

Flange Size - 3/4” (DN 20)

  • 3/4” (DN 20) - 150# ANSI
  • 3/4” (DN 20) - 300# ANSI

Flange Type

  • Raised Face ANSI

Flow Rate

  • Air at Standard Conditions 21.1° C (70° F) & psi a: 14.7 (kPa: 101, bar: 1.01): 0.0062 to 1,850 scfm (0.01 to 3,140 Nm³/hour)

Input Power

  • 22-30 Vdc
  • 230 mA - Max.
  • 7 W, Max.
  • 85-265 Vac

Insertion 'U' Length

  • 1.5” (38 mm)

Media

  • Gases (Compatible with the Flow Element Material)

Mounting

  • Integral Mounting
  • Panel Mounting
  • Remote Mounting

Mounting Position

  • Horizontal Top or Side Mount
  • Vertical Side Mount

NACE & NIST

  • Calibration: Performed on NIST Traceable Equipment

NPT Connection

  • 1” NPT Female
  • 1” NPT Male
  • 1-1/2” NPT Female
  • 1-1/2” NPT Male
  • 2” NPT Female
  • 2” NPT Male
  • 3/4” NPT Female
  • 3/4” NPT Male

Operating Temperature

  • Transmitter: -18° to 60° C (0° to 140° F)

Output

  • 0-10 Vdc
  • 0-5 Vdc
  • 1-5 Vdc
  • Single 4-20 mA Analog Output

Output Function

  • Fault Indication Per NAMUR NE43 Guidelines, User Selectable for High (> 21.0 mA) or Low (21.0 mA) or Low (21.0 mA) or Low (21.0 mA) or Low (21.0 mA) or Low (21.0 mA) or Low (21.0 mA) or Low (21.0 mA) or Low (< 3.6 mA)

Output Load

  • Current: 700 ohms, Max.
  • Voltage: 100 kiloohms Min.

Pipe Connection

  • 1” Pipe I.D.
  • 1-1/2” Pipe I.D.
  • 2” Pipe I.D.

Pipe Schedule

  • Schedule 40

Power Supply

  • 100-240 Vac, 50/60 Hz
  • 9-30 Vdc

Process Temperature

  • -40° to 125° C (-40° to 257° F)

Repeatability

  • Flow: ± 0.5 % of Reading
  • Temperature: ± 1° C (± 1° F), Flow Rate Must be greater than 5 AFPS

Sensor, Probe Style

  • In-Line (F, S Style)

Temperature Coefficient

  • Flow: ± 0.015 % of Reading/°F up to 850° F (± 0.03 % of Reading/°C up to 454° C, Max.

Tube Connection

  • 1” Tube (22 mm) I.D. with 3/4” Process Connections

Turndown

  • Factory Set & Field Adjustable: 10: 1 to 100: 1 within Calibrated Flow Range

Wetted Materials

  • Flow Element: 316L Stainless Steel
  • Flow Element: Hastelloy C-276

  • Chemical
  • Wastewater Treatment, Landfills
  • Refineries
  • Oil & Gas
  • Mining
  • Metals
  • Manufacturing
  • Cement, Stone, Brick, Glass
  • Power Utilities
  • Pulp & Paper
  • Food & Beverage
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