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Model FT1 Thermal Gas Mass Flow Meter
Brand: Fox Thermal InstrumentsThe Model FT1 is a multiple award winner due to its innovative design elements such as the DDC-Sensor™ technology platform that allows it to operate using the Gas-SelectX® gas menu selection tool.
Features- Measures process gas flow rate/total and temperature
- Insertion probes (for 1.5" to 70" pipes); Inline flow bodies with NPT ends (¾" to 3" pipes); Inline 150 lb. Flanged flow bodies (¾" to 6" pipes)
- Equipped with the DDC-Sensor™ (Direct Digitally Controlled)
- Gas-SelectX® gas selection menu. Choose from available list of gases/gas mixes to measure flow. NIST-traceable calibration
- One standard 4-20 mA output proportional to mass flow rate; HART communication option
- One output is selectable for pulse/alarm, RS485 Modbus RTU, or BACnet MS/TP
- Optional on-board display and configuration panel
- Click the Approvals tab for Model FT1 Agency Approvals
- Calibration Validation with the Zero CAL-CHECK® feature
- A USB connection is standard (free FT1 View™ Software)
- Wide measurement range
- Flow Accuracy for air: ±1% R ±0.2% FS; Flow accuracy for other gases: ±1.5% R ±0.5% FS
- 10-30 VDC in local enclosures
- Insertion & Inline Styles
- DDC-Sensor™ Technology
- Gas-SelectX® Gas Selection Menu
- Zero CAL-CHECK® Calibration Validation
Specifications
Brand
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 Zero CAL-CHECK®: in Situ, Operator-initiated Calibration Validation
Enclosure
- NEMA 4, Aluminum, Dual Conduit Entries with 3/4” NPT Female.
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 Size scfmNm³/hour 0.75” (20 mm) 0 - 93 0 - 146 1” (25 mm) 0 - 150 0 - 237 1.25” (32 mm)<
- Insertion - Pipe Size scfmNm³/hour 1.5” (40 mm) 0 - 354 0 - 558 2” (50 mm) 0 - 583 0 - 920 2.5” (63 mm) 0 - 830<
Flow Rates
- 15 to 25,000 SFPM (0.07 to 120 NMPS)
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/Hr, 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: 300 psig (20.7 barg) 150 lbs Flanges: 230 psig (16 barg)
- Insertion - 300 psig (20.7 barg)
Input Power
- Input Power: 12 to 28 Vdc, 6 Watts Max. (CE Requirement) Full Input Power Input Range: 10 to 30 Vdc, 6 Watts Max.
Inputs & Outputs
- All Outputs & Communication Circuits are Galvanically Isolated.Standard 4-20 mA Output Proportional to the Flow Rate, Fault Indication Per NAMUR NE43, HART Communication Option.Second Output for Pulse, RS-485 Modbus RTU, or BACne
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
- RS-485 Modbus RTU or BACnet MS/TP (when No Pulse Output Has Been Ordered).
Port
- Mini 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 - FT1 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) 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
- Wastewater Aeration
- Natural Gas Monitoring
- Pure Gas Monitoring
- Biogas Monitoring
