Fox Model FT3 Gas Mass Flow Meter and Temperature Transmitter
The Fox Model FT3 Thermal Gas Mass Flow Meter and Temperature Transmitter measures two important process variables in one rugged instrument.
The Model FT3 measures gas flow rate in standard units without the need for temperature and pressure compensation.
Calibration Validation, using the CAL-V™ and Zero CAL-CHECK® features, is an in-situ calibration routine that validates the flow meter’s accuracy by testing the functionality of the sensor and it associated signal processing circuitry.
A free software tool – FT3 View™ - is available for the Model FT3.
24VDC, (±10%), 0.7 Amps (standard DC Power) 100 to 240VAC ∼ (+10%-15%), 50-60Hz, 0.2 Amps (with AC power option).
Note: Fluctuations of AC and DC power supply are not to exceed ±10% of rating. Class I Equipment (Electrical Grounding Required for Safety). Installation (Over-voltage) Category II for trnasient over-voltages.
All outputs and communication circuits are galvanically isolated.
4 to 20mA output one is proportional to the measured flow rate.
Fault indication per NAMUR NE43.
4 to 20mA output two is programmable for temperature or flow rate.
Digital output one is programmable for either pulse (for totalizing flow) or alarms.
Output is open collector type, operating voltage 5V to 24V, maximum sinking current: 10mA.
The pulse output is proportional to flow rate with a range of 0 to 100Hz.
When configured for alarm, the digital output generates an on or off signal.
Remote switch input can be configured to reset elapsed time, flow totalizer and switch between gas curves when the 2 gas curve option is ordered.
USB communication port is standard.
The free PC-based software tool - FT3 View™ - provides complete configuration, remote process monitoring, and data logging functions.
Optional serial communication:
HART and RS485 Modbus.
4 to 20mA Loop Verification:
Simulation mode used to align 4 to 20mA output with the input to customer’s PLC/DCS.
Fox-supplied compression fitting connects to customer-supplied ¾” female coupling welded to pipe.
EMC Directive; 2004/108/EC
Emissions and Immunity Testing: EN61326-1:2008
Pressure Equipment Directive: 97/23/EC
Weld Testing: EN ISO 15614-1 and EN ISO 9606-1, ASME B31.3
Note: The EU Pressure Equipment Directive (PED) requires that the minimum ambient and fluid temperature rating for carbon steel flow bodies not be below -29C.
FM and FMc:Approved
Class I, Div. 1, Gps B, C, D; Class II, Div. 1, Gps E, F, G; Class III, Div. 1;
T3C, Ta = -40°C to 70°C; Class I, Zone 1, AEx/Ex d IIB+H2 (T6, T4, or
T1*); Ta = -20°C to 70°C; Type 4X, IP67
ATEX (FM12ATEX0034X): Approved
II 2 G Ex d IIB+H2 (T6, T4, or T1*) Gb Ta = -20°C to 70°C; IP67
II 2 D Ex tb IIIC (T85°C, T135°C, or T450°C*) Db Ta = -20°C to 70°C; IP67
IECEx (IECEx FMG 12.0010X):Approved
Ex d IIB+H2 (T6, T4, or T1*) Gb Ta = -20°C to 70°C; IP67
Ex tb IIIC (T85°C or T135°C*) Db Ta = -20°C to 70°C; IP67**
ATEX and IECEx Standards:
EN 60079-0: 2009 IEC 60079-0: 2011
EN 60079-1: 2007 IEC 60079-1: 2007
EN 60079-31: 2009 IEC 60079-31: 2008
EN 60529: 1991, +A1: 2000 IEC 60529: 2001
Temperature Code Marking
Temperature Code Marking
*Temperature code ratings for Zones are dependent on external process temperature factors and equipment enclosure configuration. See the table above for specific temperature code ratings. **The IECEx dust rating does not apply to the Remote Enclosure.
Typical Gas Calibrations
Natural Gas Flowmeters
Compressed Air Flowmeters
Flare Gas Flowmeters
Vent Gas Flowmeters
Flash Gas Flowmeters
Digester Gas Flowmeters
Landfill Gas Flowmeters
Waste Water Gas Flowmeters
Coal Methane Recovery Flowmeters
Combustion Process Optimization
Other Mixed or Pure Gas Flowmeters
Additional Model FT3 Information to View and/or Download
Winner of Processing’s Breakthrough Products of the Year Award
Processing Magazine has awarded Fox Thermal Instruments’ Model FT3 Thermal Mass Flowmeter & Temperature Transmitter the Breakthrough Products of the Year award for 2012. These awards recognize products, technologies and services that made significant contributions in the process industries within the last year and are expected to impact the industry for years to come. Read the article describing Calibration Validation feature of the Model FT3.
Your choice of measurement units
Contact Fox Sales to check compatibility with your application and get more information on options/product configuration.