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Model FT2A Thermal Gas Mass Flow Meter
Brand: Fox Thermal Instruments
The Model FT2A has a large selection of communication protocol options available intrinsically (without any other equipment).
Options include: BACnet MS/TP, RS485 Modbus RTU, Profibus-DP, DeviceNet, or Ethernet Modbus TCP.
Features- Measures process gas flow rate/total and temperature
- Standard USB port, optional BACnet MS/TP, RS485 Modbus, Profibus-DP, DeviceNet, or Ethernet Modbus TCP
- Standard on-board display and configuration panel
- Equipped with the Power Pro™ thermal mass flow sensor
- One discrete output is programmable for either pulse (for totalizing flow) or alarms
- One discrete input to reset total or select a different calibration on 2 gas curves
- 4-20 mA output proportional to mass flow rate
- FM and FMc approved for Class I, II, III, Div 2, Groups A, B, C, D, E, F, G, T4 hazardous locations; NEMA 4X approved; Remote NEMA 4X electronics enclosure with explosion proof sensor j-box
- CE Approved
- NIST traceable calibration
- Wide measurement range
- 1% R + 0.2% FS flow accuracy
- 24 VDC or optional 100-240 VAC in local or remote enclosures
- Insertion, Inline & Remote Styles
- USB Port, free FT2A View™ Software
- 2 x 4-20 mA outputs
- FM/FMc approvals
Specifications
Brand
4-20 mA Loop Verification
- Simulation Mode used to Align 4-20 mA Output with the Input to Customer’s PLC/DCS.
Cabling to Remote Enclosure
- 5-Conductor, 18 AWG, Twisted, Shielded, 100 feet Max.
Calibration
- Factory Calibration to NIST-Traceable Standards
Enclosure
- FM (U.S.) & FMc (Canadian) Approved for Class I, II, III, Div. 2, Groups A, B, C, D, E, F, G, T4A Hazardous Locations. NEMA 4X & CE Approved. Options: Remote NEMA 4X Electronics Enclosure with Explosion-proof Sensor J-box.
Flow Accuracy
- Inline - ± 1 % of Reading ± 0.2 % of Full Scale. 8 Diameters of Straight, Unobstructed Pipe Upstream & 4 Downstream.
- Insertion - ± 1 % of Reading ± 0.2 % of Full Scale. 15 Diameters of Straight, Unobstructed Pipe Upstream & 10 Downstream.
Flow Range
- Inline - Pipe Size scfmNm³/hour 0.25” 0 - 7.5 0 - 11.8 0.5” 0 - 125 0 - 200 0.75” 0 - 220<
- Insertion - Pipe Size scfmNm³/hour 1.5” (40 mm) 0 - 840 0 - 1,325 2” (50 mm) 0 - 1,400 0 - 2,210 2.5” (63 mm) 0 - 2,0
- Note: Standard Conditions of Air at 70° F & One Atmosphere. Consult Factory for Other Gases, Pipe Sizes, & Flow Ranges Other Than Those Listed.
Flow Rates
- 15 to 60,000 SFPM (0.07 to 280 NMPS) - Air at 70° F (20° C) & 1 ATM
Flow Repeatability
- ± 0.2 % of Full Scale
Flow Response Time
- 0.9 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, SMPS, Sm³/hour, LB/S, LB/M, LB/H, LB/D, KG/S, KG/M, KG/H, SLPM, SFPM, MT/H, Sm³/M
Gas Pressure (Maximum)
- Check with Factory for Higher Pressure Options. Note: Pressure Ratings Stated for Temperature of 100° F (38° C).
- Inline - NPT(0.25” - 6”): 500 psig (34.5 barg) 150# Flange: 230 psig (16 barg)
- Insertion - 500 psig (34.5 barg)
Inputs Power (Power Consumption):
- Input Power (without the Anybus Serial Communication Option): 24 Vdc, (± 10 %), 0.4 Amps (Standard DC Power) 100 to 240 Vac ~(+10 %-15 %), 50/60 Hz, 0.2 Amps (with AC Power Option).Input Power (with Anybus Serial Communication Option): 24
Installation
- Inline - Compression Fitting Included with Flow Body
- Insertion - Fox Thermal-supplied Compression Fitting Connects to Customer-supplied 3/4” Female Coupling Welded to Pipe.
Optional Serial Communication
- RS-485 Modbus, BACnet MS/TP, PROFIBUS-DP, DeviceNet or Ethernet Modbus TCP.
Outputs:
- Two Isolated 4-20 mA Outputs (One for Flow Rate & a second is Programmable for Flow Rate or Temperature), Fault Indication Per NAMUR NE43.Isolated Pulse Output 0 to 100 Hz, 5 to 24 Volts P/p for Flow (The Pulse Output Can be used as an Is
Port
- Mini USB Communication Port is Standard.
Relative Humidity
- 90 % Relative Humidity Max.
Retractor Assemblies
- Packing Gland Assembly: 125 psig (8.6 barg) Max. High Pressure (Crank) Retractor: NPT 600 psig (41.4 barg), ANSI 150 Flange & ANSI 300 Flange, No Valve Supplied.
Sensor Material
- 316 Stainless Steel Standard. Hastelloy C-276 Optional.
Software:
- The Free PC-based Software Tool - FT2A View™ - Provides Complete Configuration, Remote Process Monitoring, & Data Logging Functions.
Temperature Accuracy
- ± 1.8° F (± 1.0° C) -40° to 250° F (-40° to 121° C), ± 3.6° F (± 2.0° C), 250° to 650° F (121° to 343° C), 60 SFPM Min..
Temperature by Enclosure
- DC Power: -40° to 158° F (-40° to 70° C) AC Power: -4° to 158° F (-20° to 70° C)
Temperature by Sensor Type
- ST Sensor: -40° to 250° F (-40° to 121° C) HT Sensor: -40° to 650° F (-40° to 343° C)
Turndown
- Up to 1000: 1, 100: 1 Typical
- Aluminum & Steel Production
- Chemical Plants
- Glass & Ceramics Production
- Pulp & Paper Production
Documentation
Data Sheets
Product Manuals
Document
- FT2A Application Data Sheet (.pdf) 21 KB
- FT2A Application Data Sheet (.xlsx) 40 KB
- FT2A Display Configuration Codes pdf 650 KB
- FT2A Flowmeter Features pdf 194 KB
- FT2A Model Codes pdf 104 KB
- FT2A Procurement Specifications (.docx) 62 KB
- FT2A Procurement Specifications (.pdf) 103 KB
- FT2A Troubleshooting Guide pdf 79 KB
- VCP Driver (for FT2A View™ Software) htm 76 KB