Mass Flow Online - Model Mass-View- MV-394-H2 -Mass Flow Regulator

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

• Range 1: 0.1 ln/min .. 10 ln/min (SLM)
• Range 2: 0.1 ln/min .. 5 ln/min (SLM)
• Range 3: 0.1 ln/min .. 2 ln/min (SLM)
• Range 4: 0.1 ln/min .. 1 ln/min (SLM)

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

• H2 Hydrogen: 0.1 .. 10 ln/min (SLM)

• 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
• High resolution needle valve
• 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 power supply, please use the `Accessories` tab to order additional accessories. For your convenience, we also have our flow ranges in other flow units.

Measurement/control system:

• Flow range: 0.1 In/min - 20 In/min (SLM) Mass flow units In/min and SLM refer to normal operating conditions, i.e. 0°C (32°F) 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 ... 10 bar(g)/0 ... 150 psi(g)
• Pressure coefficient: 0.2% / bar typical at Air
• Standard calibration gas: Hydrogen H2
• Rangeablllty: up to 1:100
• 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: tested < 2 x 10-9 mbar l/s He
• Attitude sensitivity: < 0,1 % FS

Mechanical parts:

• Material (wetted parts): Meter: aluminium, Viton* (FPM) Needle Valve: SS316, Viton, PTFE
• Process connections: 61/4" BSPP female (compression fittings optional)
• Seals: Viton*. PTFE
• Weight: 0.7 kg
• Ingress protection: IP40

Electrical properties:

• Power supply: +1S...24Vdc(+/-10%)
• Max. power consumption: approx. 135 mA
• Output: 0..5Vdc
• EMC: EU declaration
• Digital Communication: RS232 / RS485 (Modbus-RTU/ASCII)
• Min. And max. Relay contacts: switching current OS A, 24 Vdc one side grounded (0 Vdc power)
• Electrical connection: 8-pin RJ-45 modular jack