Brooks Instrument GF125C Thermal Mass Flow Controller
The Brooks Instrument GF125C Thermal Mass Flow Controller is a high-performance device engineered for precise and reliable gas flow measurement and control. Specifically configured for Argon (Ar) gas with a maximum flow range of 100 SCCM, this GF Series controller delivers exceptional precision with a 1% setpoint accuracy. It features a rapid response time of 300.00 milliseconds and utilizes a Normally Closed (NC) valve to ensure optimal safety and operational efficiency. Designed for seamless integration, the GF125C is equipped with a D-sub connector interface, a dedicated diagnostic port, and clear status and network LED indicators. Manufactured to exacting standards, it operates under reference conditions of 0°C and 760 Torr, and is fully RoHS and CE compliant, making it an ideal solution for demanding semiconductor, vacuum, and industrial gas delivery systems.
Technical Specifications:
- Brand: Brooks Instrument
- Model: GF125C (GF Series)
- Configured Gas: Argon (Ar)
- Flow Range: 100 SCCM
- Response Time: 300.00 milliseconds
- Valve Type: Normally Closed (NC)
- Accuracy: 1% Setpoint
- Reference Conditions: 0°C, 760 Torr
- Test Pressure: N2 at 35 Psig
- Interface: D-sub connector with diagnostic port, status, and network indicators
- Certifications: RoHS and CE Compliant

| Brand | Brooks Instrument |
|---|---|
| Model | GF125C |
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On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
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Brooks Instrument GF125C Thermal Mass Flow Controller
Optimize your gas delivery systems with the Brooks Instrument GF125C Thermal Mass Flow Controller. Configured for Argon (Ar) at 100 SCCM, this precision instrument features a rapid 300ms response time, a Normally Closed (NC) valve, and 1% setpoint accuracy. RoHS and CE certified, it is the perfect solution for reliable and accurate gas control in semiconductor and industrial applications.

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