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Dwyer GFC-1133 | Gas Mass Flow Controller | 0-50 LPM N2, 1/4" Fitting, Aluminium
The Dwyer GFC-1133 controls gas mass flow from 0-50 LPM, based on nitrogen at 21°C and 760 mm Hg, and connects through a 1/4" compression fitting. Sensing for the 0-50 LPM range uses a straight tube sensor and restrictor flow element.
- 0-50 LPM range with 1/4" compression fitting; wetted parts: anodised aluminium, brass, 316 SS, fluoroelastomer O-rings
- ±1% FS accuracy; pressure limit 1000 psig (68.9 bar)
- Tiltable (90°) 3-1/2 digit readout; analogue 0-5 VDC plus 4-20 mA
- Response time 2 seconds; ±0.25% FS repeatability; ±12 VDC power, 0-50°C operation
- Specifications
- Features
- Downloads
| Part Number | GFC-1133 |
| Brand | Dwyer |
| Flow Range | 0-50 LPM (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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