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MASS-VIEW®
High-Tech replacement for VA meter

General

The new MASS-VIEW® flow meter series are a digital alternative to the conventional VA meters (variable area meters) or purge meters. The MASS-VIEW® flow meter series incorporates a digital bar graph of actual gas flow, which is, thanks to the OLED (organic light emitting diode) technology, clearly visible from all angles, as well as indicating flow units, gas type and totalised figures. In addition to the flow meters for flow monitoring applications, flow regulators and controllers are equipped with an in-built needle valve for manual control of the gas flow. As an extra feature, the flow controller is equipped with a pressure compensation membrane, eliminating the effects of upstream pressure variations.

The MASS-VIEW® series operates on the principle of direct thermal mass flow measurement, for gas flow ranges from:

lowest range 0-0,2 ln/min up to highest range 0-500 ln/min*

* ln/min equals SLM at 0°C and 1 atm(STP)

It offers a standard accuracy rating of ± 2%RD if the flow is higher than 50% of it’s maximum full scale and ±(1%RD + 0.5%FS) on lower flows, handling pressures up to 10 barg (150 psi). Power consumption is low and mechanical process connections are fitted for straightforward VA meter replacement. The MASS-VIEW®incorporates the latest OLED technology, which gives a brighter readout than LCDs, can be viewed from virtually any angle and has fast signal response times. Alarm settings and the selection of a pre-installed gas or pre-set range are accessed via a user-friendly menu, using a 4-way navigation button mounted on the front plate. An analog output signal enables data logging against various parameters and full accountability of gas flow, such as for shared ring main applications.

  • Features
  • Online shop
  • Flow Meters
  • Flow Regulators

Features

  • Clear indication in: 
    - actual flow rate (bar graph and value) 
    - desired flow units 
    - type of gas
    - totalized flow
  • Bright, wide-angle OLED display
  • Free of parallax errors
  • Virtually independent of pressure and temperature variations
  • Low pressure drop
  • Wide flow ranges
  • Fast response
  • High accuracy
  • Alarm and counter functions (2 alarm contacts available on meters)
  • Analog (0..5 Vdc) and digital communication (Modbus-RTU/ASCII, RS-232 interface)
  • Configurable password protection
  • 10 pre-installed gases available (Air, N2, O2, Ar, CO, CO2, CH4, C3H8, C4H10, N2O) or H2 or He
  • 4 selectable ranges (100%, 50%, 25% and 10% of maximum full scale range)
  • Digitally calibrated

Online shop

For more information, please visit the
shop of Massflow ONLINE :

MASS-VIEW Mass Flow Meters

MASS-VIEW Mass Flow Regulators

         To order MASS-VIEW series online
         please use this link:

         Order MASS-VIEW® series online

Flow capacities

Vooraf ingestelde gassen

MV-101

MV-102

MV-104

MV-106

MV-108

Air, N2, O2, CO2, CO and N2O 10 .. 200 mln/min 20 .. 2000 mln/min 0.04 .. 20 ln/min 0.4 .. 200 ln/min 1 .. 500 ln/min
Ar niet beschikbaar 40 .. 4000 mln/min 0.08 .. 40 ln/min 0.8 .. 400 ln/min 2 .. 1000 ln/min
CH4, C3H8 and C4H10 niet beschikbaar 10 .. 1000 mln/min 0.02 .. 10 ln/min 0.2 .. 100 ln/min 0.5 .. 250 ln/min

Helium

Flow ranges

MV-191-HE 20 .. 200 mln/min
MV-192-HE 50 .. 2000 mln/min
MV-194-HE 0.1 .. 20 ln/min
MV-196-HE 0.2 .. 100 ln/min

Waterstof

Flow ranges

MV-191-H2 20 .. 200 mln/min
MV-192-H2 50 .. 1000 mln/min
MV-194-H2 0.1 .. 10 ln/min
MV-196-H2 0.2 .. 100 ln/min

Flow capacities

Vooraf ingestelde gassen

MV-301 

MV-302

MV-304

MV-306

MV-308

Air, N2, O2, CO2, CO and N2O 10 .. 200 mln/min 20 .. 2000 mln/min 0.04 .. 20 ln/min 0.4 .. 200 ln/min 1 .. 500 ln/min
Ar not available 40 .. 4000 mln/min 0.08 .. 40 ln/min 0.8 .. 400 ln/min 2 .. 1000 ln/min
CH4, C3H8 and C4H10 not available 10 .. 1000 mln/min 0.02 .. 10 ln/min 0.2 .. 100 ln/min 0.5 .. 250 ln/min

Helium

Flow ranges

MV-391-HE 20 .. 200 mln/min
MV-392-HE 50 .. 2000 mln/min
MV-394-HE 0.1 .. 20 ln/min
MV-396-HE 0.2 .. 100 ln/min

Waterstof

Flow ranges

MV-391-H2 20 .. 200 mln/min
MV-392-H2 50 .. 1000 mln/min
MV-394-H2 0.1 .. 10 ln/min
MV-396-H2 0.2 .. 100 ln/min
MASS-VIEW
Mass Flow Meter
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