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Dwyer GFC-1103 | Gas Mass Flow Controller | 0-50 mL/m N2, 1/4" Fitting, Aluminium
Rated 0-50 mL/m for an equivalent nitrogen flow at 70°F and 760 mm Hg, the Dwyer GFC-1103 gas mass flow controller has a 1/4" compression fitting and a straight tube sensor with restrictor element.
- 0-50 mL/m range with 1/4" compression fitting; wetted parts: anodised aluminium, brass, 316 SS, fluoroelastomer O-rings
- Rated accuracy ±1% FS; max pressure 1000 psig (68.9 bar)
- 3-1/2 digit LCD readout, 90° tilt; linear 0-5 VDC and 4-20 mA outputs
- ±0.25% of FS repeatability; operating temperature 0 to 50°C; ±12 VDC supply
- Specifications
- Features
- Downloads
| Part Number | GFC-1103 |
| Brand | Dwyer |
| Flow Range | 0-50 mL/m (N2 at 21°C, 760 mm Hg) |
| Process Connection | 1/4" compression |
| Wetted Materials | Anodised aluminium, brass, 316 SS, fluoroelastomer O-rings |
| Accuracy | ±1% FS |
| Max Pressure | 1000 psig (68.9 bar) |
| Repeatability | ±0.25% FS |
| Response Time | 2 s to ±2% of actual flow |
| Display | 3-1/2 digit, 90° tiltable |
| Output | 0-5 VDC and 4-20 mA |
| Power Supply | ±12 VDC |
| Operating Temperature | 32 to 122°F (0 to 50°C) |
| Approvals | CE |
- Delivers excellent repeatability and precision.
- Temperature and pressure changes almost never have an impact on flow rates.
- Uses PID electronics and an electromagnetic valve to compare measured sensor signal set to flow rates in order to maintain continuous control.
- Local potentiometers or an analog signal with a voltage between 0 and 5 VDC or 4 and 20 mA can be used to remotely alter set points.
- Measured gas flow is shown on a 3-1/2 digit, 90° tiltable LCD readout in engineering units.
- When totalization is needed, it can be utilized in conjunction with the Series GFT2 Flow Totalizer.
- Includes a traceable NIST certificate.
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