We supply and provide application support for industrial process instrumentation product sensors and control devices. We are a manufacture's representative for a core group of well established and technologically superior industrial process instrumentation products.
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After more than 20 years of manufacturing thermal gas mass flowmeters, Fox Thermal Instruments continues to lead the market in innovative, reliable, accurate, and full-featured flow meters. Our exceptional team of mechanical, electronic, and software engineers have helped to shape the thermal mass flow measurement industry.

Our goal is to serve a broad array of global customers by consistently providing high quality, cost effective solutions to our customers, with superior performance and outstanding on-time delivery.


Fox Thermal FT1 Fox Thermal FT4A
Fox Thermal FT1 has been designed to fit the most common applications for Thermal Mass Gas Flowmeters. It is equipped with the 2ndGeneration DDC-Sensor™, the Gas-SelectX™ gas menu, and the Zero CAL-CHECK™ Calibration Validation test. This meter is accurate, reliable, and available with a very short lead time. The Model FT1 measures process gas flow and temperature for a variety of Industrial Gas and Wastewater applications.
Fox Thermal FT4A is the newest Fox Meter. It is calibrated with NIST traceable standards and includes our 2nd Generation DDC-Sensor™, CAL-V™ Calibration Validation, and HART or RS485 Modbus options. The Model FT4A is suitable for Industrial, Wastewater and Oil & Gas applications. The Gas-SelectX™ gas menus have been updated to include all upstream flare and vent gases (C1-C9+) required by BLM regulations and API standards.

Fox Thermal FT2A Fox Thermal FT3
Fox Thermal FT2A is the flagship Thermal Gas Mass Flowmeter from Fox. The Model FT2A is made to order and calibrated in a flowstand using actual gas and NIST traceable calibration equipment. Equipped with the PowerPro™ Sensor and offering a wealth of communication options, including RS485 Modbus, BACnet MS/TP, Profibus-DP, DeviceNet, or Ethernet Modbus TCP, the Model FT2A is suitable for a wide variety of Industrial Gas measurement applications.
Fox Thermall FT3 Thermal Gas Mass Flowmeter is made to order and calibrated in a flowstand using actual gas and NIST traceable calibration equipment. Equipped with the PowerPro™ Sensor, the CAL-V™ and Zero CAL-CHECK™ Calibration Validation tests, and HART or RS485 Modbus communication options. The Model FT3 is suitable for a wide variety of gas measurements including flare, vent, and other Oil & Gas or Industrial applications.
Fox Thermal FT4X
Fox Thermal FT4X comes equipped with an advanced intrinsic Data Logger for advanced record-keeping and data retention. Data logging is commonly used in applications such as flare and waste gas monitoring, gas studies, gas royalties and allocation, and gas flow research. Offering you the flexibility to reprogram the gas composition at the push of a button, rotate the housing as needed for tight installations, and configure meter settings from advanced software, the Fox Thermal Model FT4X thermal mass flow meter and temperature transmitter can be used in a large variety of Oil & Gas, Industrial, and Wastewater gas flow measurement applications.