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Mass flow meter System-c Instrumentation

Mass flow meter

Thermal flow meter

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“ No pressure or temperature compensation needed ATEX certification (Hazardous environments) ”
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Common Features for Fox Model FT4X Flow Meter:
  • Measures process gas flow rate/total and temperature
  • Insertion probes (for 1.5" - 70" pipes); Inline flow bodies with NPT ends (1.5" - 3" pipes); Inline 150# & 300# Flanged flow bodies (1.5" - 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 Tim 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 4-20mA 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
Technical Specifications Fox Model FT4X Thermal Mass Flow Meter & Temperature Transmitter Performance Specs Type Insertion Inline 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
Maximum range: 15-60,000 SFPM (0.07-280 NMPS)
Minimum range: 15-1,000 SFPM (0.07-4.7 NMPS) Straight, unobstructed pipe requirement: 15 diameters upstream; 10 downstream. 8 diameters upstream; 4 downstream.
 
 
  Flow Repeatability: ± 0.2% of full scale Flow Response Time: 0.8 seconds (one time constant) Temperature Accuracy: ± 1° F (± 0.6° C) Calibration: Factory Calibration to NIST-traceable standards
CAL-V™: In situ, operator-initiated calibration validation Operating Specs Type Insertion Inline Flow Units (field selectable): SCFM, SCFH, NMPS, NM3/M, NM3/H, NM3/D, NLPS, NLPM, NLPH, MCFD, MSCFD, SCFD, MMSCFD, MMSCFM, SM3/M, SM3/D, SM3/H, LB/S, LB/M, LB/H, LB/D, KG/S, KG/M, KG/H, SLPM, SFPM, MT/H Flow Rates: Maximum range: 15 to 60,000 SFPM (0.07 to 280 NMPS)
Minimum range: 15 to 1,000 SFPM (0.07 to 4.7 NMPS) Turndown: up to 1000:1; 100:1 typical Flow Ranges: Pipe Size SCFM MSCFD NM³/HR 1.5" (40mm) 0 - 840 0 - 1,220 0 - 1,325 2" (50mm) 0 - 1,400 0 - 2,020 0 - 2,210 3" (80mm) 0 - 3,100 0 - 4,440 0 - 4,890 4" (100mm) 0 - 5,300 0 - 7,650 0 - 8,360 6" (150mm) 0 - 12,000 0 - 17,340 0 - 18,930 8" (200mm) 0 - 20,840 0 - 30,020 0 - 32,870 10" (300mm) 0 - 32,800 0 - 47,250 0 - 51,740 12" (300mm) 0 - 46,600 0 - 67,180 0 - 73,500 Pipe Diameter SCFM MSCFD NM³/HR 1.5" (40mm) 0 - 840 0 - 1,220 0 - 1,320 2" (50mm) 0 - 1,400 0 - 2,020 0 - 2,224 2.5" (63mm) 0 - 2,000 0 - 2,880 0 - 3,150 3" (80mm) 0 - 3,100 0 - 4,440 0 - 4,890 4" (100mm) 0 - 5,300 0 - 7,650 0 - 8,360 6" (150mm) 0 - 12,000 0 - 17,340 0 - 18,930 Note: To determine if the FT4X will operate accurately in other pipe sizes, divide maximum flow rate by the pipe area. The application is acceptable if the resulting velocity is within the velocity range above. Note: Consult factory for flow ranges above those listed. Inline meters above 5,000 SCFM (7,900 NM3/H) air may require third party calibration. Gas Pressure (max): w/o Retractor: 740 psig (51.02 barg)
with Retractor: 150 psig (10.3 barg)
  NPT: 500 psig (34.5 barg)
150# Flanges:230 psig (16 barg)
300# Flanges: 600 psig (41.4 barg) Check with factory for higher pressure options.
NOTE: When teflon ferrule option ordered, gas pressure is 60psig (4.1 barg) maximum. Relative Humidity: 90% RH maximum; non-condensing
NOTE: Condensing liquids contacting the sensor can cause erratic flow indication. 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 again. Input Power: Input power: 12 to 28 VDC, 6 watts max. (CE requirement)
Full input power input range: 10 to 30 VDC. Inputs/Outputs 4-20mA Channel 1:
  • Standard isolated 4-20mA output configured to indicate for flow; fault indication per NAMUR NE43. HART communication option.
  • The 4-20mA load resistance must be 125 ohms or less when operating on 12 volt power and 600 ohms or less on 24 volt power.
4-20mA Channel 2:
  • Standard isolated 4-20mA output configured to indicate either flow or temperature.
Pulse/Alarm:
  • Isolated open collector output rated for 5 to 24VDC, 10mA maximum load, 0 to 100Hz (the pulse output can be configured to either transmit a 0 to 100Hz signal proportional to flow rate or an on/off alarm).
Remote Switch Input:
  • Can be configured to reset the flow totalizer and elapsed time.
Port: Micro USB communication port is standard. Software: The free PC-based software tool - FT4X View™ - provides complete configuration, remote process monitoring, and data logging functions. Optional serial communication: HART or RS485 Modbus RTU. 4-20mA and Pulse Verification: Simulation mode used to align 4-20mA output and pulse output (if ordered) with the input to customer’s PLC/DCS. Physical Specs Type Insertion

Air: ± 1% of reading ± 0.2% of full scale. Other Gases: ± 1.5% of reading ± 0.5% of full scale. Maximum range: 15-60,000 SFPM (0.07-280 NMPS) / Minimum range: 15-1,000 SFPM (0.07-4.7 NMPS) Flow Repeatability:± 0.2% of full scale Factory Calibration to NIST-traceable standards CAL-V™: In situ, operator-initiated calibration validation Turndown:up to 1000:1; 100:1 typical Flow Response Time:0.8 seconds (one time constant)
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