MV-401 Mass Flow Controller
Mass Flow Controller for gases with pressure compensation and integrated display
- Direct thermal mass flow measurement
- High accuracy
- 4 pre-installed gases
- Bright, graphical OLED display
- Digital or analog output; alarm and counter functions
- High precision needle valve with pressure compensation
Valve
0 .. 50°C
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 gases
| Gases | min. range .. max. range |
|---|---|
| Air, N2, O2 and CO | 20 .. 200 mln/min (sccm) |
Features of MV-401 Mass Flow Controller
- 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
- Membrane operated valve
- High resolution needle valve
- Digitally calibrated
- Free software tools
Scope of delivery
- MASS-VIEW flow controller
- packing box
- 9.17.054 Short form manual
- (optional) fittings
- (optional) power supply
- (optional) Battery Pack
Technical specifications
Measurement / control system
Flow range
20 mln/min .. 200 mln/min (sccm)
Mass flow units ln/min and SLM refer to normal operating conditions, i.e. 0°C (32°F) and 1013 mbar (14.7 psi)
Mass flow units ln/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
± (1% RD + 0.5% FS) on lower flows
Technical specifications are based on Air at maximum FS
Repeatability
< 0.2% FS typical
Turndown ratio
up to 1:100
Temperature rating
0 … 50 (32 … 122°F)
Operating pressure
0 … 10 bar(g) / 0 … 150 psi(g)
Pressure coefficient
0.2% / bar typical at Air
Pre-installed gases
Air, N2, O2, CO
Standard calibration gas
Air, other gases are converted using our Fluidat® conversion model which will introduce extra inaccuracy
Rangeability
up to 1:100
Response time (sensor)
(t63%) 2 seconds
Temperature coefficient
Zero: <0.1%FS/°C, Span: <0.2%RD/°C
Leak integrity, outboard
tested < 2 x 10-9 mbar l/s
Attitude sensitivity
< 0,1 % FS
Mechanical parts
Material (wetted parts)
Meter: aluminium, Viton (FPM)
Needle Valve: Fluorosint, Brass, Buna N
Controller: membrane Fiber-reinforced nitrile
Needle Valve: Fluorosint, Brass, Buna N
Controller: membrane Fiber-reinforced nitrile
Test pressure
21 bar(a) / 300 psi(a)
Min. ΔP
1 bar(d)
Max. ΔP
7 bar (d)
Process connections
G 1/4" BSPP female
(compression fittings optional)
(compression fittings optional)
Seals
Viton®, PTFE, Fluorosint®, Buna N;
Controller membrane: fiber-reinforced nitrile
Controller membrane: fiber-reinforced nitrile
Weight
1,4 kg
Ingress protection
IP40
Control Accuracy
< 0,5-1% Rd/bar
Electrical properties
Power supply
+15 … 24 Vdc (+/- 10%)
Max. power consumption
approx 135 mA
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)
one side grounded (0 Vdc power)
Electrical connection
8-pin RJ-45 modular jack
Product details
Downloads
Brochure & Certificate
Dimensional drawing
Stepfile
Applications
The fields of application for MASS-VIEW® mass flow controllers 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)
Frequently Asked Questions
- Is there a pressure drop chart of the MV-400 series controller available?
- Accuracy & Repeatability Flow meters
- Menu options on display
- How to connect several MASS-VIEWs (5, 6, 7) to a RS-485 bus system?
- Is MASS-VIEW compatible with Oxygen (degreased)?
- How to connect MASS-VIEW® using RS-232 to a computer?
- What is Aeration?
- What do ln/min, Is/min, slm and sccm stand for?
- What is the purpose and operation of FlowDDE?
- Which flow units are available to select?
More questions on our FAQ page