Mass Flow Online - Model Mass-View - MV-191-HE -Mass Flow Meter

Pre-installed ranges
Ranges: Flow range (relative Air)

• Range 1: 20 mln/min .. 200 mln/min (sccm)
• Range 2: 20 mln/min .. 100 mln/min (sccm)
• Range 3: 20 mln/min .. 50 mln/min (sccm)

Pre-installed gas
Gas: min. range .. max. range

• He Helium: 20 .. 200 mln/min (sccm)

• Clear indication in:
  
  • actual flow rate (bar graph and value)
  • desired flow units
  • type of gas
  • totalised flow
• Bright, wide-angle OLED display
• Free of parallax error
• Virtually independent of temperature and pressure variations
• Low pressure drop
• Wide flow ranges
• Fast response
• High accuracy
• Electronic output:
  
  • Analog (0 .. 5 Vdc)
  • RS-232 interface (with FLOWBUS)
  • Modbus-RTU/ASCII interface
• Configurable password protection
• Alarm and counter functions
• Relays
• Multi Gas / Multi Range
• 4 Pre-installed gases
• Digitally calibrated
• Free software tools

• MASS-VIEW flow meter
• packing box
• 9.17.054 Short form manual
• (optional) fittings
• (optional) power supply
• (optional) Battery Pack

Please note:
Our mass flow meters are sold without fittings and without powersupply, please use the `Complementary products` tab to order additional accessories. For your convenience, we also have our flow ranges in other flow units.

Measurement / control system    

• Flow range: 20 mln/min _ 200 mln/min (seem) Mass flow units In/min and SLM refer to normal operating conditions, i.e. 0°C (32T-) and 1013 mbar (14.7 psi)
• Accuracy: ± 2% RD for flow > 50% of max. capacity ± (1% RD + 0.5% FS) on lower flows Technical specifications are based on Air at maximum FS
• Repeatability: < 0.2% FS typical
• Operating pressure: 0.. 10bar(g)/0.. 150psi(g)
• Pressure coefficient: 0.2%/ bar typical at Air
• Standard calibration gas: Helium He
• Rangeablllty: up to 1:10
• Response time (sensor): (t63%) 2 seconds
• Operating temperature: 0..50°C(32..122°F)
• Temperature coefficient: Zero: <0.1%FS/°C, Span: <0-2%RD/°C
• Leak Integrity, outboard: <1 x 10-9 mbar |/s He
• Attitude sensitivity: < 0.1% FS

Mechanical parts

• Material (wetted parts): Meter: aluminium, Viton® (FPM)
• Test pressure: 21 bar (a) / 300 psi (a)
• Process connections: G 1/4" BSPP female, (compression fittings optional)
• Seals: Viton®, PTFE
• Weight: 0.7 kg
• Ingress protection: IP-40

Electrical properties

• Power supply: +15 … 24 Vdc (+/- 10%)
• Max. power consumption: approx. 135 mA / 2W
• Analog output: 0 .. 5 Vdc
• EMC: EU declaration
• Digital Communication: RS232 / RS485 (Modbus-RTU/ASCII)
• Min. And max. Relay contacts: switching current 0.5 A, 24 Vdc, one side grounded (0 Vdc power)
• Electrical connection: 8-pin RJ-45 modular jack

The fields of application for MASS-VIEW^® mass flow meters are diverse:

• Burner Control (furnace construction)
• Welding (welding gas monitoring)
• Leak measurements (quality, environment)
• Coating (equipment construction)
• Regulation of gaseous atmospheres (biotechnology)
• Measurements of gas consumption (hospitals)
• Test equipment (production maintenance)
• Local preparation of a gas mixture
• Flow rate monitoring (laboratories)
• Cutting (steel sheets)
• Cost centre billing
• Analytical equipment
• Aeration / sparging (food products, ice cream / edible oils
• Blanketing (food)
• Fermentation (food, biotechnology, pharma)