Mass Flow Meter or Regulator for low flows

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$702.51 - $771.32 / Pieces | 1 Piece/Pieces (Min. Order)
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Mass flow meters and mass flow regulators
± 2% RD for flow > 50% of max. cap.; lower flows ± (1% RD + 0.5% FS)
analog: 0 .. 5 Vdc; digital: RS232 / RS485 (Modbus-RTU/ASCII)
Packaging & Delivery
Lead Time :
Shipment in two business days
Company Information

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Mass Flow ONLINE BV is the online shop of Bronkhorst High-Tech BV. Bronkhorst High-Tech BV, established in 1981, offers the most extensive product range of high quality thermal mass flow meters and controllers in the market. Numerous styles of both standard and bespoke instruments can be offered for applications in laboratory, industrial and hazardous areas. Bronkhorst High-Tech features innovative solutions and excellent, round the clock support, due to their world-wide network of distributors and service centres.

Complementary to the distributor network, Mass Flow ONLINE BV is a webshop for cost effective, high quality mass flow metering and control instruments, not requiring customer specific advice or a quotation. All relevant information can be found online. Customers are able to directly order and pay online. Ordered instruments are normally shipped within two working days. Selecting and buying online saves time and is cost-efficient.

Our Product Types:

Our Product Types:
1. Mass Flow Meters for Gas,
2. Mass Flow Regulators for Gas,
3. Fuel Flow Meters,
4. Electromagnetic Flow Meters for Liquid,

5. Ultrasonic Flow Meters for Liquid,


6. Vortex Flow Meters for Liquid,
7. Accesories,

8. Service and Repair.


Product Description


Mass Flow Meters and Regulators for Gas

The MASS-VIEW® series operate on the principle of direct thermal mass flow measurement. A major advantage of using this type of sensor is that the instruments measure direct mass flow, without the need for temperature and pressure correction.



1. Clear indication in:
    -actual flow rate (bar graph and value)
    -desired flow units
    -type of gas
    -totalised flow
2. Bright, wide-angle OLED display
3. Free of parallax error
4. Virtually independent of temperature and pressure variations
5. Low pressure drop
6. Wide flow ranges
7. Fast response
8. High accuracy
9. Electronic output:
    - Analog (0 .. 5 Vdc)
    - RS-232 interface (with FLOWBUS)
    - Modbus-RTU/ASCII interface
10. Configurable password protection
11. Alarm and counter functions
12. Relays
13. Multi Gas / Multi Range
14. 10 Pre-installed gases
15. Digitally calibrated
16. Free software tools


1. Burner Control (furnace construction)
2. Welding (welding gas monitoring)
3. Leak measurements (quality, environment)
4. Coating (equipment construction)
5. Regulation of gaseous atmospheres (biotechnology)
6. Measurements of gas consumption (hospitals)
7. Test equipment (production maintenance)
8. Local preparation of a gas mixture
9. Flow rate monitoring (laboratories)
10. Cutting (steel sheets)
11. Cost centre billing
12. Analytical equipment
13. Aeration / sparging (food products, ice cream / edible oils
14. Blanketing (food)
15. Fermentation (food, biotechnology, pharma)

Technical Specifications:


Accuracy± 2% RD for flow > 50% of max. capacity
± (1% RD + 0.5% FS) on lower flows
Repeatability< 0.2% FS typical
Pre-installed gases

Air, N2, O2, CO2, CO, N2O, Ar, CH4, C3H8 and C4H10

Air, N2, O2, CO (models MV-101, MV-301)

Standard calibration gasAir, other gases are converted using our Fluidat® conversion model which will introduce extra inaccuracy
Rangeabilityup to 1:100
Operating pressure0 .. 10 bar(g) / 0 .. 150 psi(g)
Pressure coefficient0.2% / bar typical at Air
Operating temperature0 .. 50°C (32 .. 122°F)
Temperature coefficientZero: <0.1%FS/°C, Span: <0.2%RD/°C
Attidude sensitivity< 0.1% FS
Response time (t63%) 2 s


1. Mass flow units ln/min and SLM refer to normal operating conditions, i.e. 0°C (32°F) and 1013 mbar (14.7 psi)
2. Technical specifications are based on Air at maximum FS
3. All specifications subject to change without notice


Materials (wetted parts)Meter: aluminium, Viton
Needle Valve: SS316, Viton, PTFE
Gas connections (in/out)G 1/4" BSPP female


Electrical connection8-pin RJ-45 modular jack
Outputanalog: 0 .. 5 Vdc
digital: RS232 / RS485 (Modbus-RTU/ASCII)
Required supply voltage15 .. 24 Vdc (± 10%)
Power consumptionapprox. 135 mA
Min. and max. relay contractsswitching current 0.5 A, 24 Vdc
one side grounded (0 Vdc power)


Test pressure21 bar (a) / 300 psi (a)
Ingress protectionIP-50
Leak integrity (outboard)< 1 x 10-9 mbar l/s He
EMCCE declaration

Electrical Connection:


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