Description
The Fox Model FT1 thermal mass gas flow meter 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.
- Insertion & Inline Styles
- DDC-Sensor™ Technology
- Gas-SelectX® Gas Selection Menu
- Zero CAL-CHECK® Calibration Validation
- Scroll down for more features/benefits!
Industrial Applications:
- Wastewater Aeration
- Natural Gas Monitoring
- Pure Gas Monitoring
- Biogas Monitoring
FT1 Gas Mass Flow meter Specification
Performance Specifications
| 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/Hr, SLPM, SFPM, MT/H | |||||
| Flow Rates: | 15 to 25,000 SFPM (0.07 to 120 NMPS) | |||||
| Turndown: | up to 1000:1; 100:1 typical | |||||
| Flow Ranges: | Pipe Size | SCFM | NM³/HR | Pipe Size | SCFM | NM³/HR |
| 1.5″ (40mm) | 0 – 354 | 0 – 558 | 0.75″ (20mm) | 0 – 93 | 0 – 146 | |
| 2″ (50mm) | 0 – 583 | 0 – 920 | 1″ (25mm) | 0 – 150 | 0 – 237 | |
| 2.5″ (63mm) | 0 – 830 | 0 – 1,200 | 1.25″ (32mm) | 0 – 260 | 0 – 410 | |
| 3″ (80mm) | 0 – 1,280 | 0 – 2,020 | 1.5″ (40mm) | 0 – 354 | 0 – 558 | |
| 4″ (100mm) | 0 – 2,210 | 0 – 3,480 | 2″ (50mm) | 0 – 538 | 0 – 920 | |
| 6″ (150mm) | 0 – 5,010 | 0 – 7,910 | 2.5″ (63mm) | 0 – 830 | 0 – 1,200 | |
| 8″ (200mm) | 0 – 8,680 | 0 – 13,700 | 3″ (80mm) | 0 – 1,280 | 0 – 2,020 | |
| 10″ (250mm) | 0 – 13,600 | 0 – 21,450 | 4″ (100mm) | 0 – 2,210 | 0 – 3,480 | |
| 12″ (300mm) | 0 – 19,400 | 0 – 30,600 | 6″ (150mm) | 0 – 2,500 | 0 – 3,950 | |
| Note: To determine if the FT4A will operate accurately in other pipe sizes, divide the 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): | 740 psig (51 barg) | 316 SS inline w/NPT ends: 300 psig (20 barg) | ||||
| 316 SS inline w/150lb flanges: 230 psig (16 barg) | ||||||
| CS inline w/NPT ends: 300 psig (20 barg) | ||||||
| CS inline w/150lb flanges: 285 psig (20 barg) | ||||||
| Check with factory for higher pressure options. | ||||||
| NOTE: When the Teflon ferrule option ordered, gas pressure is 60psig (4.1 barg) maximum.d | ||||||
| Relative Humidity: | 90% RH maximum; non-condensing | |||||
| 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 the temperature rises again. | ||||||
| Input Power: | Input power: 12 to 28VDC, 6 watts max. (CE requirement) | |||||
| Full input power input range: 10 to 30VDC, 6 watts maximum. | ||||||
| Inputs/Outputs | All outputs and communication circuits are galvanically isolated. | |||||
| Standard 4-20mA output proportional to the flow rate; fault indication per NAMUR NE43; HART communication option. | ||||||
| Second output for a pulse, Modbus RTU (RS485), or BACnet MS/TP (RS485). | ||||||
| Isolated pulse output: 5 to 24VDC, 10mA max, 0 to 100Hz for flow. | ||||||
| The pulse output can be used as an isolated sold state output for alarms. | ||||||
| Port: | Mini USB communication port is standard. | |||||
| Software: | The free PC-based software tool – FT1 View™ – provides complete configuration, remote process monitoring, and data logging functions. | |||||
| Optional serial communication: | Modbus RTU (RS485), BACnet MS/TP (RS485) or HART (when no pulse output has been ordered). | |||||
| 4-20mA and Pulse Verification: | Simulation mode used to align 4-20mA output and pulse output (if ordered) with the input to the customer’s PLC/DCS. | |||||
Performance Specifications
| 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/Hr, SLPM, SFPM, MT/H | |||||
| Flow Rates: | 15 to 25,000 SFPM (0.07 to 120 NMPS) | |||||
| Turndown: | up to 1000:1; 100:1 typical | |||||
| Flow Ranges: | Pipe Size | SCFM | NM³/HR | Pipe Size | SCFM | NM³/HR |
| 1.5″ (40mm) | 0 – 354 | 0 – 558 | 0.75″ (20mm) | 0 – 93 | 0 – 146 | |
| 2″ (50mm) | 0 – 583 | 0 – 920 | 1″ (25mm) | 0 – 150 | 0 – 237 | |
| 2.5″ (63mm) | 0 – 830 | 0 – 1,200 | 1.25″ (32mm) | 0 – 260 | 0 – 410 | |
| 3″ (80mm) | 0 – 1,280 | 0 – 2,020 | 1.5″ (40mm) | 0 – 354 | 0 – 558 | |
| 4″ (100mm) | 0 – 2,210 | 0 – 3,480 | 2″ (50mm) | 0 – 538 | 0 – 920 | |
| 6″ (150mm) | 0 – 5,010 | 0 – 7,910 | 2.5″ (63mm) | 0 – 830 | 0 – 1,200 | |
| 8″ (200mm) | 0 – 8,680 | 0 – 13,700 | 3″ (80mm) | 0 – 1,280 | 0 – 2,020 | |
| 10″ (250mm) | 0 – 13,600 | 0 – 21,450 | 4″ (100mm) | 0 – 2,210 | 0 – 3,480 | |
| 12″ (300mm) | 0 – 19,400 | 0 – 30,600 | 6″ (150mm) | 0 – 2,500 | 0 – 3,950 | |
| Note: To determine if the FT4A will operate accurately in other pipe sizes, divide the 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): | 740 psig (51 barg) | 316 SS inline w/NPT ends: 300 psig (20 barg) | ||||
| 316 SS inline w/150lb flanges: 230 psig (16 barg) | ||||||
| CS inline w/NPT ends: 300 psig (20 barg) | ||||||
| CS inline w/150lb flanges: 285 psig (20 barg) | ||||||
| Check with factory for higher pressure options. | ||||||
| NOTE: When the Teflon ferrule option ordered, gas pressure is 60psig (4.1 barg) maximum.d | ||||||
| Relative Humidity: | 90% RH maximum; non-condensing | |||||
| 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 the temperature rises again. | ||||||
| Input Power: | Input power: 12 to 28VDC, 6 watts max. (CE requirement) | |||||
| Full input power input range: 10 to 30VDC, 6 watts maximum. | ||||||
| Inputs/Outputs | All outputs and communication circuits are galvanically isolated. | |||||
| Standard 4-20mA output proportional to the flow rate; fault indication per NAMUR NE43; HART communication option. | ||||||
| Second output for a pulse, Modbus RTU (RS485), or BACnet MS/TP (RS485). | ||||||
| Isolated pulse output: 5 to 24VDC, 10mA max, 0 to 100Hz for flow. | ||||||
| The pulse output can be used as an isolated sold state output for alarms. | ||||||
| Port: | Mini USB communication port is standard. | |||||
| Software: | The free PC-based software tool – FT1 View™ – provides complete configuration, remote process monitoring, and data logging functions. | |||||
| Optional serial communication: | Modbus RTU (RS485), BACnet MS/TP (RS485) or HART (when no pulse output has been ordered). | |||||
| 4-20mA and Pulse Verification: | Simulation mode used to align 4-20mA output and pulse output (if ordered) with the input to the customer’s PLC/DCS. | |||||
Physical Specifications
| Type | Insertion | Inline |
| Sensor Material: | 316 stainless steel standard. | |
| Enclosure: | NEMA 4, Aluminum, dual conduit entries with ¾” FNPT. | |
| Retractor Assemblies: | 150 psig (10.3 barg) max. | N/A |
| Installation: | Fox Thermal-supplied compression fitting connects to customer-supplied 1″ female coupling welded to the pipe. | Compression fitting included with the flow body. |
More information : Brochure FT1
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