GFM 671 thermal mass flow meter by Aalborg Instruments
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The Aalborg Instruments GFM 671 is a thermal mass flow meter designed for accurate gas measurement, utilizing pressure- and temperature-compensated measuring systems. It features a sensor measuring device made of aluminum, with media wetted parts consisting of aluminum, brass, stainless steel (316 SS), and Viton o-rings. The unit offers measuring ranges from 0 - 300 l/min to 0 - 500 l/min based on nitrogen at 20°C and 1 bar absolute, with a maximum measuring range of 0 - 500 SLPM. It includes a 3 1/2 digit swivel LCD flow meter mounted directly on the device, providing linear output signals of 4-20 mA and 0-5 VDC. The GFM 671 operates at a max operating pressure of 34.5 bar overpressure and a medium temperature range from 0°C to +50°C. It requires a power supply of 12 - 26 Vdc (200 mA) and connects via 2 x 1/2" cutting ring screwing. Please specify the measuring range and gas type.
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Where can I buy GFM 671 by Aalborg Instruments in the USA?
You can purchase GFM 671 by Aalborg Instruments from PAOParts LLC. We serve customers across the USA, offering competitive prices and reliable service.
What is the price of the GFM 671?
Price and availability are quoted per request. Send the part number and the quantity you need through our quote request form and you will receive a written offer by e-mail.
Who is the official distributor or seller of Aalborg Instruments in the United States?
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How can I access GFM 671 catalogs, user manuals, technical documents, and PDFs?
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Do you provide technical support for GFM 671?
While we do not offer direct technical support, we can assist you in contacting the manufacturer to ensure you receive the support you need.
Characteristics
| Manufacturer | Aalborg Instruments |
|---|---|
| Part number | GFM 671 |
| Inner Code | 4287927 |
Technical specification
| Product type | Thermal Mass Flow Meter |
|---|---|
| Sensor measuring device | aluminum |
| Medium temperature range | 0°C to +50°C |
| Max. operating pressure | 34.5 bar overpressure |
| Power supply | 12 - 26 Vdc (200 mA) |
| Measuring range ratio | 1:100 |
| Standard conditions (N) | 20°C and 1 bar abs. |
| Display | 3 1/2 digit swivel LCD flow meter |
| Accuracy | +/- 1.5% of measuring range endvalue at 15°C to 25°C and 0.35 bar to 4.1 bar abs., otherwise +/- 3% of the measuring range endvalue |
| Reproducibility | +/- 0.25% of final value |
| Response time | 2 seconds at 25% to 100% |
| Media wetted parts | aluminum, brass, stainless steel (316 SS) and Viton o-rings |
| Process connection | 2 x 1/2" cutting ring screwing |
| Measuring ranges | 0 - 300 l/min to 0 - 500 l/min |
| Output signal | 4.. 20 mA and 0.. 5 VDC linear |
| Medium | N2 gas |