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Datasheet MV-192-HE

MASS-VIEW® MV-192-HE

Helium Flow Meter with integrated display

  • Direct thermal mass flow measurement
  • High accuracy
  • Bright, graphical OLED display
  • Digital or analog output
  • Alarm and counter functions
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MASS-VIEW®MV-192-HE

Helium Mass Flow Meters with integrated display

MASS-VIEW® model MV-192-HE Direct Thermal Mass Flow Meters (MFMs) are suited for precise measurement of flow ranges between 50…200 mln/min and 50…2000 mln/min helium at operating pressures up to 10 bar(g). The MFM has an integrated graphical OLED display, clearly visible at wide angles, which allows reading of actual flow (value and a bar graph), total flow and type of gas.

The display features easy set up via a user-friendly menu, using a 4-way navigation push button. Features & functions include a variety of alarm and counter functions, an analog output signal, digital interfaces and two relay contacts.

The MASS-VIEW® series provides modern, novel and economical alternative to variable area meters (VA meters), also known as purge meters. Unlike conventional VA meters these new flow meters measure mass flow instead of volume flow.

Technical specifications

Measurement / control system
Flow range (intermediate ranges available)min. 50…200 mln/min
max. 50…2000 mln/min
(based on helium)
Accuracy (incl. linearity) (based on actual calibration)± 2% Rd for flow > 50% of max. capacity;
± (1% Rd + 0,5% FS) on lower flows
Repeatability< 0,2 % FS typical
Turndown ratioup to 1 : 20
Operating pressure0 … 10 bar(g) / 0 … 150 psi(g)
Pressure coefficient± 0,2% Rd/bar typical at Air
Standard calibration gasHelium
Response time (sensor)2 sec.
Operating temperature0 … 50 °C (32 ... 122°F)
Temperature coefficientZero: <0,1% FS/°C, Span: <0,2% Rd/°C
Leak integrity, outboardtested < 2 x 10-9 mbar l/s He
Attitude sensitivity< 0,1 % FS
Mechanical parts
Material (wetted parts)Aluminium
Test pressure21 bar(a) / 300 psi(a)
Process connectionsG 1/4” BSPP female thread
(compression fittings optional)
SealsViton®
Weight0,7 kg
Ingress protectionIP40
Electrical properties
Power supply+15 … 24 Vdc (+/- 10%)
Max. power consumptionapprox. 135 mA
Analog output0 … 5 Vdc
Digital communicationRS232 / RS485 (Modbus RTU/ASCII)
Min. and max. relay contactsswitching current 0,5 A, 24 Vdc
one side grounded (0 Vdc power)
Electrical connection8-pin RJ-45 modular jack
Electrical connection
Control valve options
External actuator options to be connected to the controller
Certification for hazardous areas
Approvals / certificates

Technical specifications subject to change without notice.

For dimensional drawings and hook-up diagrams please visit the product page on our website

Downloads

Brochures
MASS-VIEW Brochure
Manuals
Manual MASS-VIEW
Quick installation guide
Hook-up diagrams
Hook-up diagrams
Modbus-RTU ASCII, RS-232 interface
Dimensional drawing
Dimensional drawing MV-1XX and MV-3XX
Download as PDF

Bronkhorst High-Tech designs and manufactures innovative instruments and subsystems for low-flow measurement and control for use in laboratories, machinery and industry. Driven by a strong sense of sustainability and with many years of experience, we offer an extensive range of (mass) flow meters and controllers for gases and liquids, based on thermal, Coriolis and ultrasonic measuring principles. Our global sales and service network provides local support in more than 40 countries. Discover Bronkhorst®!