Technical data red-y compact series

 Instrument types

 compact meter GCM

 Mass Flow Meter

 compact regulator GCR 

 Mass Flow Meter with manual Valve

 compact G½" (GCM or GCR versions) 

 For 1/2" size with manual valve, 

 the valve is flange mounted

 Measuring ranges

 (full scale freely selectable)

 Type

 Process connection

 GCX-A

 GCX-B

 GCX-C

 GCX-D

 from 0 ... 5 mln/min*                      to 0 ... 600 mln/min

 from 0 ... 600 mln/min                    to 0 ... 6000 mln/min

 from 0 ... 6 ln/min                           to 0 ... 60 ln/min

 from 0 ... 60 ln/min                         to 0 ... 450 ln/min

 *regulator 0 to 25 mln/min

 G¼"

 G¼"

 G¼"

 G½"

 Performance data

 Media (real gas calibration)

 Air, O2*, N2*, He, Ar, CO2, H2, CH4, C3H8 (other gases and gas mixtures on request) 

 *O2 & N2 are calibrated with air

 Accuracy (air & equivalents)

 Eco:          ± 2.0% of full scale; ranges > 200 ln/min ± 3.0% of full scale

 Eco plus:  ± 2.0% of full scale; ranges > 200 ln/min ± 3.0% of full scale 

 Special:    ± 1.0% of full scale up to 50 ln/min

 Turndown ratio

 Eco:      1 : 50                    /            Eco plus and special: 1 :      100 (not available below 0-10 mln/min)

 Response time

 Max. 300 msec (depending on filter settings)

 Flow update by sensor

 40 msec (battery mode 500 msec)

 Display update

 240 msec (battery mode 500 msec)

 Repeatability

 ± 0.5% of full scale

 Longterm stability

 0.1 % of full scale per year, if clean gas is used

 Power supply Meter GCM & Regulator GCR

 Standard AA battery (lifetime depending on operation) or 

 Micro-USB power supply (DIN 62684) 

 Option: External power 15...30 VDC

 Operation pressure

 0.2 – 11 bar a

 Temperature (environment/gas)

 0 – 50°C

 Materials

 Anodized aluminium, optional stainless steel electropolished

 Seals

 FKM, optional EPDM (FDA)

 Pressure sensitivity

 < 0.2% / bar of reading (typical N2)

 Temperature sensitivity

 < 0.025% FS measuring range type / °C

 Warm-up time

 < 1 sec. for full accuracy

 Integration

 Display

 Touch display (128x64 px) with automatic position adjustment (position sensor) 

 Backlighted only with external power supply (Micro-USB or 24 VDC)

 Process connection

 G¼" (BSPP* female) up to 60 ln/min, G½" (BSPP* female) up to 450 ln/min 

 *British Standard Pipe Parallel

 Inlet section

 No requirements

 Mounting orientation

 Any position, consult manufacturer above 5 bar or vertical mounting

 Safety

 Test pressure

 16 bar a

 Leak rate (external)

 < 1 x 10-6 mbar l/s He

 Environmental protection

 IP-50

 EMC

 EN 61326-1

 Options

 Panel mounting kit

 Flanged vacuum fittings

 Various inlet and outlet fittings