Product Overview
The Brooks Instrument GF-120C-EXJX0965 is a high-precision industrial mass flow controller engineered for accurate measurement and regulation of gas flow in demanding process environments. Utilizing a thermal mass flow sensing principle combined with an integrated closed-loop control valve, this instrument delivers stable, repeatable flow control independent of temperature and pressure fluctuations. The GF-120C series is a proven workhorse in semiconductor, analytical, and industrial gas delivery systems, providing reliable performance where precise gas metering is critical to process quality and safety.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Mass Flow Controller (Sensor & Automation) |
| Model Designation | GF-120C-EXJX0965 |
| Manufacturer | Brooks Instrument |
| Operating Pressure | Standard Industrial Grade (Up to rated bar) |
| Mounting & Connection | Standard ISO / Manufacturer Interface |
| Sensing Principle | Thermal Mass Flow Measurement |
| Control Valve | Integrated Closed-Loop Proportional Valve |
| Output Signal | Analog / Digital (Model Dependent) |
Engineering Features & Advantages
- Precision Performance: Thermal mass flow sensing delivers accurate, repeatable gas flow control unaffected by temperature or pressure variations, ensuring process consistency.
- Integrated Closed-Loop Control: Onboard proportional control valve and feedback circuitry maintain setpoint accuracy under dynamic process conditions.
- Industrial Reliability: Built for continuous operation under severe industrial conditions with robust construction and stable long-term drift characteristics.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards for drop-in integration into existing gas delivery panels.
Typical Industrial Applications
Semiconductor wafer fabrication and thin-film deposition processes, analytical laboratory instrumentation and gas chromatography, industrial gas blending and delivery systems, and precision process control in pharmaceutical and chemical manufacturing.
PRODUCT IMAGES


BROOKS INSTRUMENT GF-120C-EXJX0965 Mass Flow Controller
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine BROOKS INSTRUMENT GF-120C-EXJX0965 Mass Flow Controller. This USA-made precision instrument features a thermal mass flow sensing design, delivering accurate, repeatable gas flow control for critical industrial processes.