Vögtlin - Model Red-y Compact Series - Battery Powered Digital Mass Flow Meters and Regulators for Gases
From Mass Flow Meters & Controllers
The red-y compact series mass flow meters are characterized by powerful technology, intelligent functions and innovative design. The 2015 generation instrument offers a new level of ease of use: compact design with battery power, backlit touch display and extended alarm function.
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Features:
- Touch Technology
The touch display offers intuitive navigation. The many variables that make the unit flexible are easily accessible. Automatic display adjustment thanks to position sensor mass flow meters red-y compact series – Automatic display alignment - Independent Operation
The red-y compact mass flow meters are powered with a standard AA battery.
Optional 24 Vdc and Micro-USB power supply available - USB Enabled
The red-y compact measurements instruments can be powered with any common Micro-USB power supply (DIN62684). Device updates can be performed using the USB interface - High Accuracy & Dynamics
The devices offer high accuracy and a wide dynamic range:
Accuracy up to ± 1% of full scale (depending on application/measuring range)
Turndown ratio 1 : 100 - Extended Alarm Functions
The red-y compact 2 series provides 3 configurable alarms. The following triggers are available:
Low alarm, high alarm, window alarm and totalizer alarm
The alarms can be configured with different parameters:
Normally open, normally closed, hysteresis, auto/manual/remote reset, delay and alarm duration
Technical datasheet alarm module red-y compact 2 series - MEMS Sensor
The MEMS semiconductor chip is the centerpiece of the thermal mass flow meter.
Analog-digital conversion takes place in the sensor - Totalizer
In addition to the actual flow, the total consumption is displayed. Ideal for gas consumption measurements - 1 Device – Multiple Gases
One red-y compact measuring device can be used for up to 3 different gases or gas mixtures - Wide Choice of Flow Units
Choose between a large number of standardized and normalized flow units of the Imperial, US customary and SI measuring systems (with user adjustable reference conditions). The units are selectable from the integrated menu both for the actual flow and the totalized flow - Password Protection
To avoid unauthorised change of settings, the menu of the new red-y compact can be locked with a password - High-precision Valve
In the red-y compact regulator / all-in versions with manual valves, high-precision needle valves are used. These valves allow fine adjustment of the flow rate - Pressure & Temperature compensated
In contrast to variable area flow meters, the digital mass flow devices are insensitive to pressure and temperature changes - 3-Year Warranty
High-quality components ensure long and trouble-free operation (does not apply to calibration, options and accessories)
Technical Data:
- Measuring Ranges
- Full scale freely selectable
- Body 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 ratio : Eco: 1 : 50
- Special: 1 : 100
- 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 : < 1% of measured value / year
- Power supply Meter & Regulator : Standard 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-in : External power +8…30 Vdc (power consumption max. 300mA) or
- Micro-USB power supply (DIN 62684)
- Operation pressure : 0.2 – 11 bara (3 – 160 psia)
- Temperature (environment/gas) : 0 – 50°C (32 – 122°F)
- Body Materials : Anodized aluminium, optional stainless steel electropolished
- Seals : FKM, 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 :
- Display : Touch display (128×64 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 (64 SLPM)
- G½” (BSPP* female) up to 450 ln/min (480 SLPM)
- *British Standard Pipe Parallel
- Inlet section : None required
- Mounting orientation : Any position (consult manufacturer above 5 bar or vertical mounting)
- Connection cable : For external power supply and alarm module: 2 m (6.5 ft) with loose ends
- Safety :
- Test pressure : 16 bara (240 psia)
- Leak rate : < 1 x 10-6 mbar l/s He
- Environmental protection : IP50 (conforms to NEMA 1)
- EMC : EN 61326-1
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