Portable Mass flow controller for locations without line power supply

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Battery Powered MASS-VIEW
Mass Flow controller - Gas
Measure Direct Mass Flow
Stand-alone applications
Power supply:
Battery Powered
± 2% RD for flow > 50% of max. cap.; lower flows: ± (1% RD + 0.5% FS)
analog: 0 .. 5 Vdc, digital: RS232 / RS485
Supply Ability
Supply Ability:
Shipment: United Parcel Services (UPS)
Packaging & Delivery
Lead Time :
Fully stocked, despatch will be within 2 days.
Video Description
Product Description
Portable battery powered mass flow meter
The MASS-VIEW® series provides modern, novel and economical alternative to variable area meters (VA meters), also known as purge meters. The rechargeable Battery Pack enables you to take the MASS-VIEW series as a portable mass flow controller for remote locations where line power is not available. It provides the ability to power up and operate your flow controller continuous for 24 hours on a single charge which takes around 4 till 6 hours. The high capacity battery can be recharged even more than 800 times and is protected by a casing of high strength plastic.

Features of using the Battery Powered Flow Controller
1. No line power supply needed anymore;
2. Long operation time (24 hours);
4. recharging takes around 4 till 6 hours;
5. long life cycle over 800 times;
6. Built-in safety circuit against over-charge;
7. Battery protected by high strength plastic.

Technical Specifications
± 2% RD for flow > 50% of max. capacity                               ± (1% RD + 0.5% FS) on lower flows
< 0.2% FS typical
Standard calibration gas
Air, other gases are converted using our Fluidat® conversion model which will introduce extra inaccuracy
up to 1:100
Operating pressure
0 .. 10 bar(g) / 0 .. 150 psi(g)
Pressure coefficient
0.2% / bar typical at Air
Operating temperature
0 .. 50°C (32 .. 122°F)
Temperature coefficient
Zero: <0.1%FS/°C, Span: <0.2%RD/°C
Attidude sensitivity
< 0.1% FS
Response time (t63%)
2 s
Min. delta-P
1 bar(d)
Max. delta-P
7 bar (d)
Control accuracy
Less than 0,5-1% RD/bar
Notes:                                                                                                                                                                                                        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
Overview flowranges for each model and gas
Pre-installed Gases
Air, N2, O2, CO2, CO and N2O
20-200 mln/min
20-2000 mln/min
0.2-20 ln/min
0.5-50 ln/min
Not available
40-4000 mln/min
0.4-20 ln/min
Not available
CH4, C3H8 and C4H10
not available
10-1000 mln/min
0.1-10 ln/min
not available
Materials (wetted parts)
Meter: Aluminium, Viton                                                           Needle Valve: SS316, Viton, PTFE                                           Controller: membrane Fiber-reinforced nitrile 
Gas connections (in/out)
G 1/4" BSPP female
Electrical connection
8-pin RJ-45 modular jack
Analog: 0 .. 5 Vdc                                                                        Digital: RS232 / RS485 (Modbus-RTU/ASCII)
Required supply voltage
15 .. 24 Vdc (± 10%)
Power consumption
Approx. 135 mA
Min. and max. relay contracts
Switching current 0.5 A, 24 Vdc                                              One side grounded (0 Vdc power)
Battery properties
Battery technology
73 Wh
CE declaration
6900 mAH
Voltage output
24V (applicable for the MASS-VIEW
Test pressure
21 bar (a) / 300 psi (a)
Ingress protection
Leak integrity (outboard)
< 1 x 10-9 mbar l/s He
CE declaration


The fields of application for our mass flow
meters are diverse:
- Burner Control (furnace construction)
- Welding (welding gas monitoring)
- Leak measurements (quality, environment)
- Coating (equipment construction)

- Regulation of gaseous atmospheres
- Measurements of gas consumption
- 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)

Display menu

The 4-way button with center push gives access to a user-friendly menu, e.g. for zero function, for selection of pre-installed gases in pre-installed ranges, setting of engineering units, alarm functions (minimum/maximum/counter limit) and counter functions. Password protection is provided to prevent unauthorizes changes. Above overview of the MASS-VIEW® menu functions illustrates the great versatility of this product line.

Products Show
Packing & Delivery
Scoop of delivery
The Battery powered flow controller is now Officially available worldwide and can be ordered at www.massflow-online.nl easily. For your convenience it is possible to modify the Package and make it a well suited solution for your specifically application. the complete offering includes:

1. Power supply cable, please choose a specifically type of power plug for your application;
2. Charger adapter;
3. MASS-VIEW Battery Pack;
4. Cable for 24V output to MASS-VIEW;
5. MASS-VIEW model, please choose your specifically type of MASS-VIEW for your application. 

Orders are shipped from Monday through Friday. Weekend delivery is not available. Products will be sold from stock, unless otherwise stated in the purchasing process. You will be notified when an item is not in stock which will introduce a delay in the delivery time. We do not partially ship orders so when one required item is in stock but another is on a non stock lead time then you should split the order. Once your product(s) has shipped, you will receive a shipment notification via email from our shipper United Parcel Services (UPS). In this email, you will find the tracking number of the shipment.

Delivery Details : ships in 1 - 2 days                                                                                                                                                              Shipping Weight : depends on formation of package

Our Company

Head office

Production process

Our warehouse

Our team

Our Service

Customer benefits

- High quality products
- Clear competitive pricing
- Fast delivery
- 24 / 7 open for business
- Highly efficient purchase channel including order tracking
- Easy product selection and ordering
- After Sales Service
- Repair Service & Replacements
- Calibration Service
- Field & Maintenance Service
- Modernisation Service
- Remote Support Service

Our Certifications

Calibration certificate

The Bronkhorst Calibration Centre is accredited by the Dutch Accreditation Council (RvA) under registration number K 127. Herewith is certified that our laboratory’s Quality Assurance system, calibration methods and technical competences have been inspected and audited and meet all necessary requirements.

Quality Management System certificate

Bureau Veritas Certification declares that the Quality Management
System of Bronkhorst High-Tech B.V. organisation has been audited
and found to be in accordance with the requirements of the
managment system standards.


Q: Calibration interval

A: Mass flow instruments, in fact all process instruments, experience wear from the conditions of the process in which they are installed. Temperature, electronic component tolerance shift, contamination build up over time (even very slight), plus other factors will all contribute to affecting the accuracy of an instrument.
Your instruments should regularly undergo, at a minimum, a calibration check if not a recalibration. But how often? Because the nature of each application is different (conditions, running time, etc.) a calibration can last three years or three months.
Bronkhorst® instruments do not have specified due dates for calibration. Bronkhorst® suggests that our instruments be calibrated every year. However based on the application conditions, and perhaps company quality procedures, each customer must determine when they need to send in an instrument for recalibration.
Properly calibrated instruments will be more accurate, more reliable, help ensure consistency, and help improve production yields.

Q: What communication possibilities can be used with MASS-VIEW?

A: MASS-VIEW® has two communication options:
– FLOWBUS over RS-232
– MODBus RTU or ASCII over RS-485
There is no FLOWBUS over RS-485 communication possible.
FLOWBUS over RS-232 is mostly used to communicate directly to a PC (running FLOWDDE + FLOWPLOT). RS-232 is a point-to-point connection.
MODBus RTU or ASCII is mostly used when a fieldbus is used to connect several instruments to one bus.

Q: Does the counter remember its value when the instrument is powered off?

A: Every few seconds, the MASS-VIEW® writes the countervalue to a non-volatile memory to be sure no data is lost after a powerfailure.

Q: From which measurement value does the counter start to count?

A: The counter function will start counting a measured value when the instrument measures a value of 2% or higher of its capacity. Below 2% nothing is counted.

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