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  Products > Gas Flow > Mass Flow Meters & Controllers > red-y compact series
         
 

Mass Flow Meters 'red-y compact series'

         
  INSTRUMENT CHARACTERISTICS
  Mass Flow Meters red-y compact all-in – 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)
  More Information:
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  INSTRUMENT TYPES
  Mass Flow Meters red-y compact meter red-y compact meter GCM
Thermal mass flow meter
  Mass Flow Meters with Manual Valve red-y compact regulator GCR
Thermal mass flow meter with manual valve
  Mass Flow Meters red-y compact switch red-y compact switch GCS
Thermal mass flow meter with alarm functions
  Mass Flow Meters red-y compact all-in red-y compact all-in GCA
Thermal mass flow meter with manual valve & alarm functions
  Mass Flow Meters for OEM OEM version
For customer-specific requirements
  Panel mounting Kit Panel mounting kit
Panel mounting kits for IP-50 and IP-65 protection
   
 
  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)
    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%
    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)
   
 
  DOWNLOADS
  Document File/Size
  Data Sheet red-y compact series PDF/550kB
   
  » Flow Solutions and Applications  
  » More Downloads: www.red-y.com  
   
 
  Vögtlin Instruments AG – flow technology – Phone +41 61 756 63 00 – Last Update: 02.10.2007