ATEX Rated Flow Monitors from Blancett

Introducing the new B3100 ATEX rated flow monitors from US manufacturer Blancett. This explosion proof flow monitor features advanced application options with user-friendly “thru-glass” operation which allows for the use of finger proximity detection buttons. Available now from Bell Flow Systems Ltd.

ATEX Rated Flow Monitors - B3100 Flow Meter Display

The unit supports data logging, remote data access and programming – without the need to open the enclosure. Thus ensuring application integrity in demanding installations. The B3100 is “explosion-proof” in accordance with ATEX, IECEx, FM and CSA c-us.

The programming software allows for easy remote configuration of the B3100 flow monitor. The unit can process the frequency output from a flow meter to calculate flow rate and accumulated total. The B3100 can also store an optional 16-point linearization table of the flow curve (with interpolation) for improved accuracy.

A rugged one-inch NPT threaded port is provided for direct flow meter mounting. The flow monitor has a large backlit LED display, which shows flow rate, total and measuring units in addition to a flow rate-indicating graphic. Both hourly flow totals and settings which are logged in an archive. Each log contains flow rate, flow total, accumulated total plus a time and date stamp. The data is also tagged with a log number for accountability and quality control. Logged data can be viewed through the display or via Modbus RTU Communications or free PC software options. Interval logs are available both by minute or hourly increments, with daily and event logs also provided. The flow monitor’s PC based programming software also enables log data to be downloaded as a .csv file.

The B3100’s remote programming facility is a key product feature, which allows for full configuration of the flow monitor. The software automatically detects the monitor and downloads the stored data. Configurations for multiple units can be saved on a PC, and configuration data can be changed and easily uploaded back to the monitor.

Why use ATEX rated flow monitors?

The B3100 is an ATEX rated flow monitor. As a result, it is suitable for use in a range of explosive atmospheres. ATEX derives its name from the French title of the 94/9/EC directive: Appareils destinés à être utilisés en ATmosphères EXplosibles. Suitable applications which require ATEX rated flow monitors would include within paint spraying facilities, fuel handling plants and distilleries. Additionally, the B3100 can be used in dusty or other hazardous particle-heavy atmospheres.

For more information on the Blancett B3100 and other ATEX rated flow meter models, please visit our website or contact the Bell Flow Systems Sales team

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Commercial Fuel Flow Meters

Weights and Measures Approved!

Bell Flow Systems now offer the TS Series of oval gear positive displacement flow meters from Tuthill USA. Commercial fuel flow meters ideal for use in any environment. The TS series boasts the high accuracy and performance necessary for custody transfer duty. Now available via Bell Flow Systems in the UK.

Commercial Fuel Flow Meters

The UK National Weights and Measures Laboratory has EEC Pattern approved these meters for custody transfer applications. As a result, the TS Series is suitable for commercial use in bulk measurement of a wide range of fuels. These commercial fuel transfer meters are able to handle the pressure, whilst maintaining their accuracy. This is due to the use of two inter meshing oval gears. Subsequently, this reduces metal-to-metal contact – in addition to requiring fewer seals. The result is a low differential pressure and less slippage. The TS range of bulk flow meters and tanker meters are impressively hard wearing and durable, thanks to this patented wave form gear design.

Commercial Fuel Flow Meters – The Ideal Choice

The TS Series is well suited for use in commercial fuel process and transfer, in addition to high speed batching and loading. It also has its uses for the purpose of fuel tanker metering and for stationary dispensing. Combination with a mechanical or electronic batch register, ticket printer and solenoid batching options as well as air eliminators and in-line filters is also possible. Thus making it possible to build an application specific system that delivers performance, accuracy, and easy maintenance. Ultimately making the TS Series an ideal commercial fuel flow meter choice.

The aluminium TS Series comes in a selection of sizes ranging from DN25 to DN80. These bulk fuel meters are highly precise and are available in a wide range of configurations. Different temperatures, viscosity, chemical compatibility and application specific requirements can all be specified. Tuthill fuel meters are also available with either mechanical or electronic registers.

They are able to measure high volume transfers within a 0.3% tolerance band, allowing them to be assembled to suit the most demanding operational requirements. This ensures they are suitable for use in a range of commercial applications. For example; diesel, oil and aviation fuel, petrochemical plants, agricultural and also industrial chemical processing.

Click here to view the full range of fuel flow meters from Tuthill.


Flow Meter Guide

Not sure which flow meter is right for your project? Try out new Flow Meter Guide

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How Do You Calculate Ship Fuel Consumption?

The Importance of Calculating Ship Fuel Consumption

Fuel is an expensive commodity, as we all know. Knowing the fuel consumption of vehicles is essential for minimising costs and increasing efficiency. Calculating ship fuel consumption, especially on longer journeys, becomes even more critical. With this data, ships can form better strategies towards achieving maximum fuel efficiency.

At Bell Flow Systems, we supply a wide range of fuel control and measurement products. Fuel consumption solutions for various applications forms a significant part of the range. This includes fuel generators, larger vehicles and in this case; for ships.

Recently we were asked to supply a fuel consumption system on an ex Navy vessel. The Spirit of Samsø was originally known as Y303, a Barsø class vessel belonging to the Danish Navy. Innovative marine engineers, NAVA. are currently re purposing The Spirit of Samsø in to a luxury yacht.   They required a monitoring system installing, in order to measure the fuel consumption of the vessel.

Measuring ship fuel consumption

HDMS Samso Y303 by Ove Jensen

As with a lot of fuel systems, the engine consisted of a supply and return to and from the fuel tank. As such, the system required two flow meters. One to measure the fuel supplying the engine, and one to also measure the fuel flow back to the tank. With all flow metering applications, selecting the correct size meter is crucial. This is to ensure accurate measurements. This is particularly relevant with fuel measurement.

With our expert understanding of fuel flow, we took in to account the engine whilst idle and also when at full capacity. It was also important to ensure that the meter did not reduce the pressure too much so as to starve the engine of fuel. With this is mind, we were able to correctly calculate appropriate sized meters for the job.

The Installation

For this installation, we used Macnaught MX series oval gear meters. Oval gear meters offer a high turndown ratio and a low pressure drop, making them ideal for fuel consumption applications. Their high resolution digital output and high accuracy also lends itself to being a first choice solution. These are paired with a Fluidwell F116 differential flow computer. This meter gives visualisation of the fuel flow rate and total volume of both the flow and return to and from the engine. The computer also handles the flow calculations to clearly show both the current and total fuel consumption.

With this simple solution installed, fuel consumption monitoring is more efficient and ultimately the overall running costs for the vessel decrease.

Products used in this installation were the Macnaught series of fuel and oil meters and Fluidwell F116 flow displays.

Calculating Ship Fuel Consumption

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High Viscosity Glucose Flow Measurement

Challenging High Viscosity Glucose Flow Measurement in Soda Manufacturing

Bell Flow Systems was approached regarding a rather challenging task of glucose flow measurement. A production line specialist needed a solution for controlling the glucose flow measurement in a newly built processing plant for a large, UK based soft drinks manufacturer.

The glucose was to be pumped through stainless steel dairy pipes and heated to a temperature of 45⁰C. Thus producing a viscosity of 5000 centipoise. Due to the kind of product being manufactured, it was essential to have hygienic connections. The application also specified the installation of digital batch controllers. This was in order to allow operator control of the production process. These dual stage batch controllers offer intelligent over-run correction and two-stage valve closure for accuracy and repeatability.

The system would accurately dispense the exact quantity of glucose for the user-specified mixture each time. This was critical so that the recipe for the soda remained the same and the taste didn’t vary from batch to batch. Due to this high working viscosity, it was determined that a positive displacement flow meter was required.

Glucose Flow Measurement


Macnaught oval gear meters for glucose flow measurement

Bell Flow Systems offered one of the Macnaught oval gear type positive displacement meters. This particular range of meters are constructed from food grade stainless steel. Thus making the meter suitable for hygienic application. High viscosity stainless steel rotors allow for measuring viscosities over 100,00 centipoise. Hygienic tri-clamp connections, FDA approval, and locally mounted IP67 rated batch controllers completed the selection.

The oval gear meter principle ensures that there is flexibility of installation. Because there are no straight lengths of pipe needed before or after the meter, they can be installed vertically or horizontally. Additionally, these meters create an exceptionally low pressure drop – which was critical to the application.

For more information on the products used please visit our oval gear flow section, or contact the Bell Flow Systems Sales team

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New Dynasonics TFX-500w Ultrasonic Clamp-on Flow Meter

Bell Flow Systems now offering the New Dynasonics TFX-500w Ultrasonic Clamp-on Flow Meter.

The Dynasonics TFX-500W launched at the recent Hanover Messe exhibition in Germany by US manufacturer Badger Meter. The new Dynasonics line product is a versatile, cost-effective solution for measuring water flow in industrial applications.

Dynasonics TFX-500w

Providing an economical solution for measuring water flow bi-directionally in a variety of applications. This new model is remarkably easy to install – thanks to its clamp-on design. As a result, there is no requirement to tap or cut the pipe. Simply attach the meters sensors to the outer structure of the pipework to complete the installation. This makes the TFX-500w ideal for existing projects, as retrofitting to existing systems is simple and quickly completed, removing the requirement for any system shut down time. Furthermore, there is no loss of pressure as a result of the non-invasive design of this ultrasonic flow meter. The TFX-500w is capable of measuring flow rate, velocity and water flow with precision and accuracy. Finally, a large and user friendly display screen completes the design.

The TFX-500w is available in sizes 1/2 inch to 10 inch, and can function in a temperature range of -40 to 70 °C. It is capable of measuring flow from 0.38 to 37,000 L/min. Data communications options include Modbus RTU and BACnet MS/TP. It also supports full integration with the Badger Meter BEACON® and AquaCUE® Advanced Metering Analytics (AMA) cloud-based software suites. The front panel buttons control the programming of the TFX-500w, or alternative by programming it via USB cable using SoloCUE® configuration software.

Thanks to its flexible range of sizing and temperature handling abilities, the TFX-500w is an extremely versatile flow meter. The Dynasonics TFX-500w is well suited to a range of applications. Typical examples include water systems, wastewater effluent, agricultural irrigation and industrial discharge.

Further information on the Dynasonics TFX-500w

Contact us at Bell Flow Systems for more information or view the product page for the Dynasonics TFX-500w Ultrasonic Clamp-On Flow Meter.

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Revolutionary Oval Gear Flow Meter Ranges

Marking a revolution in positive displacement flow measurement technology. The latest MX-Series oval gear flow meters range from Macnaught is now available in the UK, exclusively from Bell Flow Systems.

Oval gear meters are widely recognised as one of the most versatile flow measurement solutions. With their ability to accurately meter a broad range of low to high viscosity fluids, without the need for flow conditioning. Based on over 40 years manufacturing experience, Macnaught has taken the proven benefits of oval gear and combined them with a revolutionary modular design and cutting edge production techniques. As a result, the MX-Series is a reliable, high performance flow meter range with exceptional accuracy, repeatability and durability.

Oval Gear Flow Meter - Exploded Diagram

Output modules common to all MX-Series models to be connected or removed in seconds, thanks to the M-Lock mounting system, unique to Macnaught. Therefore, these oval gear flow meters can be removed without having to disassemble the meter or remove it from service. A simple quarter turn is all that’s required to easily change pulse modules or to replace with an LCD Screen. In conclusion, providing a major benefit to users with a large installed meter base.
Reed switch and Hall Effect Sensor are standard outputs, with high temperature, intrinsically safe and analogue options. Completing the line up, is a comprehensive range of M-Lock compatible rate, total and batching displays with outputs, ATEX options and remote mount versions.

The Benefits of the Macnaught Oval Gear Flow Meters

Macnaught Oval Gear Flow Meter Range

The MX-Series model range covers from DN8 ¼” up to DN100 4″ with flow rates from 0.5LPH to 1200LPM at up to 138bar. To ensure dimensional stability, each meter body is individually CNC machined from solid stainless steel or aluminium billet. The aluminium bodies being black anodised to prevent corrosion with high water content fluids. Standard seals are Viton and Teflon. Oval gear rotors are precision engineered in PPS, aluminium or stainless steel to exacting tolerances. High temperature 150c and high viscosity +1000cPs versions are available. As a result, standard accuracy is better than 0.5% with the option of 0.25% accuracy with 3 point calibration and repeatability of 0.03%.

Oval Gear Flow Meters Diagram

The moving parts inside the meter body are limited to a pair of oval gear rotors. Subsequently, maintenance is minimal. The MX-Series can be quickly and easily disassembled, serviced and reassembled whilst still in the line – unlike more complicated technologies. Most importantly, without the need for special tools or training. Additionally, each meter is individually tested and calibrated before dispatch. Each MX-Series meter also has a full range of spare parts readily available. Finally, all MX-Series meters are backed with a 2 year factory warranty.

Lee Brogan is Product Manager at Bell Flow Systems. He said: “Having the flexibility to be able to change pulse and LCD modules quickly and easily is a major benefit for many users. Combined with Macnaught’s renowned quality, it makes MX-Series the ideal solution to many flow measurement problems. It is not often that an evolutionary change takes place. With further additions planned, MX-Series will continue to set the benchmark in oval gear flow measurement.”

View the full range of Macnaught oval gear flow meters.

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Ground Water Matters – IAH Ireland

Ground Water Matters IAH Ireland Tullamore

We are exhibiting at the 2018 IAH (Irish Group) Ground Water Matters annual conference in Tullamore, Ireland! Bell Flow are extremely pleased to be one of the 15 high-quality industry leaders exhibiting as part of the “Ground Water Matters: Science and Practice” annual conference. This years event is taking place at the Tullamore Court Hotel on 24th-25th April 2018.

Our expert here at Bell Flow on environmental monitoring and ground water monitoring systems is Edward Lang. Ed will be fronting the stand at IAH, demonstrating a range of the ground water monitoring products available from Bell Flow Systems. In addition to showcasing the range of ground water products, Ed will also be offering his expert advice on application.

IAH Ireland – Further Info

Since 1980, the IAH has been held in April of every year, in Tullamore, Ireland. Featuring themed presentations, quality exhibits and technical workshops, designed to benefit ground water professionals.
The IAH Groundwater Conference attracts the interests of a range of hydroscientists, hydrogeologists, environmental scientists, public health officials, local authorities and engineers. In addition to many other professionals with an interest in ground water monitoring.

Further information can be found on the IAH website
We look forward to seeing you!

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Ultrasonic Heat Meters – A New Choice

Introducing the Axis Industries Qalcosonic range of ultrasonic heat meters and cooling meters. The Qalcosonic Heat 1 and 2 are MID Class 2 Approved for Domestic Renewable Heat Incentive (RHI) and billing purposes. Permitting them for use in heating, cooling and hybrid applications. Available in meter sizes from DN15 to DN50, with BSP threaded and flanged connections. Qp values range from 0.6 to 15 m3/hr, with R100 dynamic range as standard (R250 optional). The use of ultrasonic technology means the meter has no mechanical moving parts, prolonging the life of the meter and ensuring long term flow measurement accuracy. The Heat 1 and 2 cover a wide range of energy metering applications, from residential buildings to larger companies and institutions.

Qalcosonic Heat 1 Ultrasonic Heat Meters

The meter benefits from pulse outputs and a range of optional communication modules; including MBus, Modbus, LON and RF868 (Wireless MBus). This makes it ideal for AMR applications and linking with existing management systems. The Qalcosonic Heat boasts IP67 rated protection on the flow sensor, which is standard when purchased with the cooling application option and also with glycol applications.

The Qalcosonic stores the energy readings for both heating and cooling in separate displays, automatically switching when the temperatures change. In addition to the energy readings, the meter is able to log hourly, daily and monthly values. This is extremely useful for monthly billing applications and monitoring of historical data.

The standard meter model is battery powered, with a 3.6V lithium battery. The promised battery life of 12 years minimum ensures that little maintenance is required. There are also options available for power modules for 12-42 V DC or 12-36 V AC – using the battery power as a back-up.

Qalcosonic Heat 2 Meters

Installation Options for Ultrasonic Heat Meters

Qalcosonic heat meters offer a choice of mounting for the calculator display. It can be mounted on the flow sensor – but if access to the meter is difficult then the display can simply be unclipped and mounted on a wall, DIN rail or on a panel. 1.5 meters of cable from both the flow sensor and temperature sensors is included as standard for the DN15 and DN20 sizes. For the larger models, 3 meters of cable is included. Furthermore, there is an additional option to choose cable lengths of up to 5 meters.

Both horizontal and vertical installations are possible, and there are no requirements for straight runs before or after the meter. Direct immersion pocket sensors are also available for all sizes within the Qalcosonic range. For the smaller 15-20mm models, one of the temperature sensors is mounted in the meter body. Subsequently, this removes a portion of installation cost.

The full range of Qalcosonic ultrasonic heat meters can be found here.

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Do I need to compensate my water level data for barometric pressure?

One of the first questions we are asked when talking about our water level loggers is “why does my water level data need to be compensated for barometric pressure”

Firstly to explain this we need to look at the two components which vary the pressure being applied to the diaphragm of the pressure sensor, these are the water level and the barometric pressure.

Barometric pressure is the pressure applied by the atmosphere on to the ground around us. The level of barometric pressure is influenced by two main factors, these are Temperature change and Weather systems. Temperature change variation causes the density of air to change, thus varying barometric pressure, change also in humidity can be linked to barometric pressure change. This change in barometric pressure is also used by meteorologists to monitor and predict the changes we see in weather on a daily basis.
The change in barometric pressure is referred to as the diurnal shift. In some areas of the world the diurnal shift can be significant to causes variations of up to 0.30m per day.

What do I need to consider when monitoring water levels?

When conducting the measurement of water level, your product selection is often determined by the measurement period. For example if your measurement period is only for a short period, less than a day, the need to continually measure barometric pressure may not be required. Our Dipperlog Nano systems will always take a single barometric reading and use this for compensation. However if the location / conditions at site or the monitoring is for a long period of time we strongly recommend the use of Barlog sensor to compensate for barometric pressure. Alternatively a vented Dipperlog Nano can be used, as the sensor will provide automatic temperature compensation.

When downloading the data, we always recommend downloading the Barlog information first followed by the Dipperlog Nano pressure data to ensure all recorded readings can be compensated. If no Barlog is used a single value will be used from the initial setup of the sensor.

For more information or to discuss the compensation of water level data please feel free to contact us.

Remote Water Management

Remote Water Monitoring and Management

Remote Water Monitoring and Management in the Hebrides

A customer living in Norway had a remote water metering problem, so they approached Bell Flow Systems to provide a solution.

They owned a second home in the Hebridean Islands, which was left empty for long periods of time and only visited sporadically. The customer wanted to be able to view the properties water usage remotely from their home in Norway, and also set alarms to alert them of any peaks in the flow – which would indicate a potentially burst pipe or other water leak.

This would then enable them to call a local caretaker to come and assess the situation and prevent and further damage to the property or grounds, in addition to preventing a large water utility bill!


Badger Meter RCDL Nutating Disc Flow Meter

With these criteria in mind, Bell Flow offered a water meter and GSM data logging solution. Considering the relatively high possibility of freezing temperatures and frozen pipes, Bell Flow offered a Badger RCDL Meter with a pulsed output. The RCDL, which is the most popular domestic water meter in the USA, does not suffer frost damage if the water within the chamber freezes, like other types of meter might. The water within the RCDL can freeze and the meter will cease working but when the water thaws again, the meter will continue accurate water monitoring operation once more.


Along with this model of pulsed meter, the customer was also offered the Aqualink GSM Datalogger. The pulse output from the water meter would go into the Aqualink – which is fitted with a SIM card. The flow data is then captured by the Aqualink and sent to an on-line water monitoring portal with a secure customer log in.


Aqualink II GSM Remote Data Logger

Aqualink II GSM Remote Data Logger

This ensures that the customer can view his water usage anywhere that has internet access. The Aqualink also has the ability to set alarms, enabling the customer to set a warning alert by SMS for excessively high water usage.

This gave the customer peace of mind that he wouldn’t visit the house to find any unexpected water damage, or be surprised by unexpected high water bills.


For more information on water monitoring using the Aqualink GSM datalogger or the Badger RCDL meter, please visit our website or contact the Bell Flow Systems Sales Team at

Bell Flow Systems was established in 1997 with the emphasis being firmly placed on the provision of flow measurement solutions to industry. Bell Flow Systems have adapted and grown to meet new demands and challenges in an ever changing market place. They now build systems, manufacture display instrumentation and supply a range of products to the renewables market and the environmental market. Bell Flow Systems products and solutions can now be found across a broad spectrum of industries.

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