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| Products > Gas Flow > Mass Flow Meters & Controllers > red-y compact series | ||||
Mass Flow Meters 'red-y compact series' |
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| INSTRUMENT CHARACTERISTICS | ||||
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– Thermal
mass measurement principle – Measuring-, regulation- and alarmfunction – Insensitive to pressure and temperature changes – High accuracy and turndown ratio – Battery power (2 years of autonomy) or 24 Vdc – Totalizer – Extremely compact unit – CMOS sensor technology – No moving parts – Resistant to pressure bumps – On-the-spot direct reading, including bar graph – Real gas calibration – High precision needle valve – 3-year warranty (except battery) |
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| More Information: | ||||
| » Instrument
Types » Technical Overview » Online Quotation » Applications & Solutions |
» Rotameter
or Mass Flow Meter? » Documentation, Downloads » Contact |
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| INSTRUMENT TYPES | ||||
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red-y
compact meter GCM Thermal mass flow meter |
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red-y
compact regulator GCR Thermal mass flow meter with manual valve |
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red-y
compact switch GCS Thermal mass flow meter with alarm functions |
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red-y
compact all-in GCA Thermal mass flow meter with manual valve & alarm functions |
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OEM
version For customer-specific requirements |
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Panel
mounting kit Panel mounting kits for IP-50 and IP-65 protection |
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| TECHNICAL OVERVIEW | ||||
| Performance data | Media | Air, O2,
N2, He, Ar, CO2, H2, CH4, C3H8, SF6 Other gases and gasmixtures on request (real gas calibration or conversion factors) |
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| Accuracy | ± 1.0% of full scale; G1/2" ± 2.0% of full scale | |||
| Turndown ratio | 1 : 50 | |||
| Response time | 500 ms (accuracy better than 99%) | |||
| Power supply |
Meter & Regulator: Lithium battery (Lifetime about 2 years with consistent flow) Option: External supply + 24 Vdc ± 10% Switch & All-in: External supply + 24 Vdc ± 10% |
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| Pressure | Up to 11 bar a | |||
| Temperature | 0 – 50°C | |||
| Materials | Aluminium, optional stainless steel electropolished | |||
| Seals | FKM, optional EPDM | |||
| Measuring Ranges | Type | Full Scale | Connection | |
| Full scale freely selectable | A3 | 100 mln/min | G1/4" | |
| A4 | 200 mln/min | G1/4" | ||
| A5 | 500 mln/min | G1/4" | ||
| B3 | 1000 mln/min | G1/2" | ||
| B4 | 2000 mln/min | G1/4" | ||
| B5 | 5000 mln/min | G1/4" | ||
| C3 | 10 ln/min | G1/4" | ||
| C4 | 20 ln/min | G1/4" | ||
| C5 | 50 ln/min | G1/4" | ||
| D3 | 100 ln/min | G1/2" | ||
| D4 | 300 ln/min | G1/2" | ||
| Integration | Display | 6-digit LCD in engineering units and bar graph | ||
| Process connection | G¼“ female less than 50 ln/min, G½“ female less than 300 ln/min | |||
| Inlet section | None required | |||
| Mounting orientation | Any orientation (horizontal only above 5 bar) | |||
| Front plate dimensions | 48x96 mm (DIN-Standard) | |||
| Safety | Test pressure | 16 bar a | ||
| Leak rate | < 1 x 10-8 mbar l/s He | |||
| Environ. protection | IP-50, but front plate IP-65 if panel mounted | |||
| EMC | EN 50081, EN 50082 | |||
| Optional Flow switch | Settings | |||
| Function | Min. or max. alarm | |||
| Threshold | Between 0 and FS freely adjustable, normally open or closed | |||
| Fail-safe mode | Can be activated | |||
| Alarm delay | Adjustable 0 – 180 s | |||
| Alarm hysteresi | Freely adjustable | |||
| Alarm suppression | Can be activated | |||
| Alarm reset | Automatic or manual | |||
| Contact | Floating changeover contact (24 V, 1 A) | |||
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| DOWNLOADS | ||||
| Document | File/Size | |||
| Data Sheet red-y compact series | PDF/550kB | |||
| » Flow Solutions and Applications | ||||
| » More Downloads: www.red-y.com | ||||
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| Vögtlin Instruments AG – flow technology – Phone +41 61 756 63 00 – Last Update: 02.10.2007 | ||||