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Model FT4X Thermal Gas Mass Flow Meter

Brand: Fox Thermal Instruments

The Fox Thermal Model FT4X, is the newest Thermal Gas Mass Flow Meter offered from Fox Thermal.

Its BLM accuracy compliant Data Logger has a 7-year history!
Features
  • Measures process gas flow rate/total and temperature
  • Insertion probes (for 1.5" to 70" pipes); Inline flow bodies with NPT ends (1.5" to 3" pipes); Inline 150# & 300# Flanged flow bodies (1.5" to 6" pipes)
  • Equipped with the 2nd Generation DDC-Sensor™ (Direct Digitally Controlled)
  • Gas-SelectX® expanded gas selection menu. Choose from available list of gases/gas mixes to measure flow. NIST-traceable calibration
  • Advanced Data Logger with Real Time Clock and 40 24-Hour daily totals
  • Settable Contract Time defines Contract Day
  • A USB connection is standard (free FT4X View™ Software); Optional HART and RS485 Modbus communication protocols
  • Standard on-board display and configuration panel
  • Two standard isolated 4-20 mA outputs: Channel 1 configured to indicate flow, fault indication per NAMUR NE43. HART communication option; Channel 2 configured to indicate either flow or temperature
  • One isolated open collector output for pulse/alarm
  • One switch input to reset total
  • Click the Approvals tab for Model FT4X Agency Approval details
  • Calibration Validation with the CAL-V™ test
  • NIST-traceable calibration
  • Wide measurement range
  • Flow Accuracy for air: ±1% R ±0.2% FS; Flow accuracy for other gases: ±1.5% R ±0.5% FS
  • 24 VDC in local or remote enclosures
  • Insertion, Inline & Remote Styles
  • DDC-Sensor™ Technology
  • Gas-SelectX® & CAL-V™
  • Advanced Data Logger for BLM

Specifications

4-20 mA & Pulse Verification

  • Simulation Mode used to Align 4-20 mA Output & Pulse Output (If Ordered) with the Input to Customer’s PLC/DCS.

Calibration

  • Factory Calibration to NIST-Traceable Standards CAL-V™: in Situ, Operator-initiated Calibration Validation

Enclosure

  • NEMA 4X (IP67), Aluminum, Dual Conduit Entries with 3/4” NPT Female Conduit Entries. Cabling to Remote Enclosure: 8-Conductor, 18 AWG, Twisted, Shielded, 100 feet Max.

Flow Accuracy

  • Air: ± 1 % of Reading ± 0.2 % of Full Scale. Other Gases: ± 1.5 % of Reading ± 0.5 % of Full Scale. Accuracy Specification Applies to Customer's Selected Flow Range, Max.

Flow Range

  • Inline - Pipe Diameter scfmMSCFDNm³/hour 0.75” (20 mm) 0 - 220 0 - 320 0 - 350 1” (25 mm) 0 - 360 0 -
  • Insertion - Pipe Size scfmMSCFDNm³/hour 1.5” (40 mm) 0 - 840 0 - 1,220 0 - 1,325 2” (50 mm) 0 - 1,400 0 - 2,020 0 - 2

Flow Rates

  • Maximum

Flow Repeatability

  • ± 0.2 % of Full Scale

Flow Response Time

  • 0.8 seconds (One Time Constant)

Flow Units (Field Selectable)

  • scfm, scfh, NMPS, Nm³/M, Nm³/hour, Nm³/D, NLPS, NLPM, NLPH, MCFD, MSCFD, SCFD, MMSCFD, MMscfm, Sm³/M, Sm³/D, Sm³/hour, LB/S, LB/M, LB/H, LB/D, KG/S, KG/M, KG/H, SLPM, SFPM, MT/H

Gas Pressure (Maximum)

  • Check with Factory for Higher Pressure Options. NOTE: when Teflon Ferrule Option Ordered, Gas Pressure is 60 psig (4.1 barg) Max.
  • Inline - NPT: 500 psig (34 barg) 150 lbs Flanges: 230 psig (16 barg) 300 lbs Flanges: 600 psig (41.4 barg)
  • Insertion - w/o Retractor: 740 psig (51.02 barg) with Retractor: 150 psig (10.3 barg)

Input Power

  • Input Power: 12 to 28 Vdc, 6 Watts Max. (CE Requirement) Full Input Power Input Range: 10 to 30 Vdc.

Inputs & Outputs

  • 4-20 mA Channel 1: Standard Isolated 4-20 mA Output Configured to Indicate for Flow, Fault Indication Per NAMUR NE43. HART Communication Option.The 4-20 mA Load Resistance Must be 125 ohms or Less when Operating on 12 Volt Power And

Installation

  • Inline - Compression Fitting Included with Flow Body.
  • Insertion - Fox Thermal-supplied Compression Fitting Connects to Customer-supplied 1” Female Coupling Welded to Pipe

Optional Serial Communication

  • HART or RS-485 Modbus RTU.

Port

  • Micro USB Communication Port is Standard.

Relative Humidity

  • 90 % Relative Humidity Max.

Retractor Assemblies

  • Inline - N/A
  • Insertion - 150 psig (10.3 barg) Max.

Sensor Material

  • 316 Stainless Steel Standard

Software:

  • The Free PC-based Software Tool - FT4X View™ - Provides Complete Configuration, Remote Process Monitoring, & Data Logging Functions.

Straight, Unobstructed Pipe Requirement

  • Inline - 8 Diameters Upstream, 4 Downstream.
  • Insertion - 15 Diameters Upstream, 10 Downstream.

Temperature

  • DDC-Sensor™: -40° to 250° F (-40° to 121° C) Enclosure: -40° to 158° F (-40° to 70° C) Remote Sensor Enclosure: -40° to 158° F (-40° to 70° C) Note: Display Dims Below -4° F (-20° C), Function Returns Once Temperature Rises Againch

Temperature Accuracy

  • ± 1° F (± 0.6° C)

Turndown

  • Up to 1000: 1, 100: 1 Typical

  • Gas Refineries
  • Petrochemical Production
  • BLM Gas Leases
  • Flares & Combustors
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