Battery Powered Digital Mass Flow Meters and Regulators for Gases

Battery Powered Digital Mass Flow Meters and Regulators for Gases

Technical Specifications red-y compact series



MEASURING RANGES
Full scale freely selectableBody Size ¼” from 0 … 25 mln/min to 0 … 60 ln/min (from 0 … 27 SCCM to 0 … 64 SLPM)
Body Size ½” from 0 … 60 ln/min to 0 … 450 ln/min (from 0 … 65 SLPM to 0 … 480 SLPM)
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 (200 SLPM) ± 3.0% of full scale
Special: ± 1.0% of full scale up to 50 ln/min (50 SLPM)
Turndown ratioEco: 1 : 50
Special: 1 : 100
Response timeMax. 300 msec (depending on filter settings)
Flow update by sensor40 msec (battery mode 500 msec)
Display update240 msec (battery mode 500 msec)
Repeatability± 0.5% of full scale
Longterm stability< 1% of measured value / year
Power supply Meter & RegulatorStandard AA battery (lifetime in months depending on operation) or
Micro-USB power supply (DIN 62684)
Option: External power +8…30 Vdc (power consumption max. 120mA)
Power supply Switch & All-inExternal power +8…30 Vdc (power consumption max. 300mA) or
Micro-USB power supply (DIN 62684)
Operation pressure0.2 – 11 bara (3 – 160 psia)
Temperature (environment/gas)0 – 50°C (32 – 122°F)
Body MaterialsAnodized aluminium, optional stainless steel electropolished
SealsFKM, optional EPDM (FDA)
Pressure sensitivity< 0.2% / bar (<0.014% / psi) of reading (typical N2)
Temperature sensitivity< 0.025% FS measuring range type per 1°C (<0.012% FS per 1°F)
Warm-up time< 1 sec. for full accuracy
INTEGRATION & INSTALLATION
DisplayTouch display (128×64 px) with automatic position adjustment (position sensor)
Backlighted only with external power supply (Micro-USB or 24 Vdc)
Process connectionG¼” (BSPP* female) up to 60 ln/min (64 SLPM)
G½” (BSPP* female) up to 450 ln/min (480 SLPM)
*British Standard Pipe Parallel
Inlet sectionNone required
Mounting orientationAny position (consult manufacturer above 5 bar or vertical mounting)
Connection cableFor external power supply and alarm module: 2 m (6.5 ft) with loose ends
SAFETY
Test pressure16 bara (240 psia)
Leak rate< 1 x 10-6 mbar l/s He
Environmental protectionIP50  (conforms to NEMA 1)
EMCEN 61326-1

Product variations

Product nr. Type Material Body Size Max Flow Estimate
REDY-M-A GCM Anodized aluminium 1/4" 60 In/min (64 SLPM)
REDY-M-S GCM Stainless steel electropolished 1/4" 60 In/min (64 SLPM)
REDY-S-A GCS Anodized aluminium 1/4" 60 In/min (64 SLPM)
REDY-S-S GCS Stainless steel electropolished 1/4" 60 In/min (64 SLPM)
REDY-R-A GCR Anodized aluminium 1/4" 60 In/min (64 SLPM)
REDY-R-S GCR Stainless steel electropolished 1/4" 60 In/min (64 SLPM)
REDY-A-A GCA Anodized aluminium 1/4" 60 In/min (64 SLPM)
REDY-A-S GCA Stainless steel electropolished 1/4" 60 In/min (64 SLPM)
REDY-1/2-A 1/2" Anodized aluminium 1/2" 450 In/min (480 SLPM)
REDY-1/2-S 1/2" Stainless steel electropolished 1/2" 450 In/min (480 SLPM)

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