Know-how database/FAQ

Your questions - our answers!

CO2 Sensor

What kind of measurement principle is used in BCP-CO2 sensors?

The sensor contains an infrared (IR) source of radiation, a detector and the evaluation electronics. The IR light beam is reflected by the measurement adapter filled with gas and the light which is weakened by the analysis gas is measured by the detector.

Does the sensor show interferences with other gases?

No, the BCP-CO2 doesn´t show any interference.

O2 Sensor

BlueSens offers two different measurement principles for oxygen. What is the difference between them?

With an appropriate calibration electrochemical oxygen sensors can be applied for the entire measurement range from 0 to 100 vol.%. Sensors with ZrO2 (zirconium dioxide) are characterized by a very noiseless signal, but are restricted to a measurement range.

Attention! The BCP-O2 with ZrO2 must not be used with flammable or explosive gas mixtures.

Can the O2 sensor be used under anaerobic conditions?

BCP-O2 always needs a minimum concentration of oxygen for that the sensor element will not be damaged. The minimum usually is equal to the smallest value within the measurement range (meaning 0.1 vol.% with a measurement range up to 25 vol.% O2 and 1 vol.% O2 with a measurement range up to 50 vol.% O2). This minimum amount of oxygen must be ensured during the whole measurement.

Do not use the BCP-O2 in processes without oxygen! For measurements without oxygen we recommend to use the BCP-O2ec

 

What do I have to consider for storing the sensors?

Both sensors must be stored at 0 to 60 °C. In addition to that the following sensor specific specifications have to be taken into account:

  • BCP-O2: During storage relative humidity is not allowed to be more than 75% (non condensing)
  • BCP-O2ec: During storage relative humidity must be between 5 und 100% (non- condensing)

 

CH4 Sensor

What kind of measurement principle is used in BCP-CH4 sensors?

The sensor contains an infrared (IR) source of radiation, a detector and the evaluation electronics. The IR light beam is reflected by the gas filled measurement adapter and the light which is weakened by the analyses gas is measured by the detector.

Does the sensor show interferences with other gases?

Due to the NDIR measurement principle the BCP-CH4 exhibits an interference with other hydrocarbons. In addition to that an interference with CO2 exists as a result of the small distance between the reference wavelength and the CO2 absorption band. The deviation is dependent from the measurement specifications of the sensor as well as the gas composition. For biogas measurements BCP-CH4 is subjected to a special calibration to minimize the interference with CO2.

Is the BCP-CH4 sensor allowed to be used as a safety device?

No, like all other sensors BCP-CH4 is not allowed to be used as a safety device or gas warning device. Furthermore it is not allowed to be applied in explosive surroundings.

H2 Sensor

What kind of measurement principle do BCP-H2 sensors use?

BCP-H2 sensors use the principle of thermal conductivity. The measuring cell is pre-heated to 60 °C.

In which gas mixtures can H2 be measured?

The BCP-H2 is a gas sensor for the measurement of hydrogen gas concentrations in binary gas mixtures. Usually CO2 or N2 are used as co-gases. In case you are using another gas mixture, please

contact our sales team

Does an interference with other gases exist?

Due to the measurement principle the BCP-H2 sensor is non-specific for H2 and is interfering when used in non-binary and non-specific gas mixtures. Therefore please always specify the gas in which you´d like to measure H2.

EtOH Sensor

What kind of measurement principle do BCP-EtOH sensors use?

The sensor contains an infrared (IR) source of radiation, a detector and the evaluation electronics. The IR light beam is reflected by the gas filled measurement adapter and the light which is weakened by the analyses gas is measured by the detector.

Is it possible to determine an alcohol concentration in a liquid phase using the BCP-EtOH?

Provided that head space and medium are held on the same temperature constantly measurement of EtOH in the liquid phase is possible. The sensor may then be factory calibrated so that instead of the gas phase the concentration in the liquid can be determined.

Are there interferences with other gases?

Yes, due to the NDIR measurement principle the BCP-EtOH shows interferences to other carbonhydrates.

CO Sensor

What kind of measurement principle do the BCP-CO sensors use?

The sensor contains an infrared (IR) source of radiation, a detector and the evaluation electronics. The IR light beam is reflected by the gas filled measurement adapter and the light which is weakened by the analyses gas is measured by the detector.

Pressure

Do BlueSens BCP sensors show pressure dependency?

Yes, like most of the sensors also BlueSens sensors are dependent on pressure. But BlueSens sensors always include pressure compensation. To ensure that the pressure compensation is set to the right ranges, pressure conditions are requested during tendering phase. Working range is between 0.8 and 3 bar (absolute). This means that at an ambient pressure of 1 bar the sensor may be operated at 0.2 bar under pressure and 0.3 bar over pressure.

Where is pressure been measured in BlueSens BCP sensors?

To meet the requirements of your process best, BlueSens offers different solutions. Depending on the construction form of your sensor pressure can be measured central in the multiplexer or at the BCP sensor. For closed systems we additionally offer an external pressure sensor with which you can measure the pressure in your system.

In which pressure range do BlueSens BCP sensors work?

Depending on the construction type as well as the configuration the working range is between 0.8 und 1.3 bar (absolute) or 0.8 and 2 bar (absolute).

Can sensors be upgraded retrospectively with a pressure sensor?

Yes, it´s possible to upgrade BCP sensors in aluminum housing. To do so the sensor must be refurbished and calibrated in the factory in Herten.

Temperature

Are BlueSens sensors temperature dependent?

BlueSens sensors are temperature compensated in the specified temperature range and thus are not dependent on temperature.

What happens when I use BlueSens sensors outside of the specified temperature range?

Your BlueSens sensors will actively try to regulate to a pre-defined temperature. If you leave the temperature range of the sensor this regulation cannot be ensured anymore so the indicated value can deviate.

Humidity

Is it possible to meaure in the liquid phase?

No, Bluesens sensors measure in gas phase exclusively. In exceptional cases e.g. Ethanol it is possible to conclude to the concentration in the liquid phase.

What happens when there is liquid in the pipe?

Basically liquid in the pipe should be avoided. Sensors are protected against penetrating liquids for a short time via hydrophobic filters.

Does humidity harm the sensor?

No, the sensors are heated (as long as they are connected to power supply) to avoid condensation.

How does humidity influence the signal?

Our sensors are calibrated on dry certified gases so for humid gases they will show lower values than for dry gases. This is called the dilution effect which can only be influenced by the temperature. You will find a detailed calculation for humidity compensation in our manuals.

Volume flow / flow rate

Are BlueSens sensors are to determine the gas volume being produced?

No, but we can offer you an appropriate measurement solution for that. Please contact our sales team for further information.

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Are BlueSens sensors dependent on flow/volume flow?

No, BlueSens sensors work in diffusion mode which means gas diffuses into the measuring cell where it is detected.

Electric connection

How can BlueSens sensors be connected to a process control unit?

BCP sensors are delivered with an 8-pin M12 plug. Within the scope of delivery you find a fitting M12 plug which you can configure due to your requirements. The sensor can be approached via the serial PS-232 protocol directly. Alternatively output via 4-20 mA analog is possible.

How can the sensors be connected to a PC?

We offer a direct connection via serial RS-232 USB cable with its own power supply. As an alternative you can connect up to 12 sensors via a BACcom Mulitplexer Box using TCP/IP or RS-232. Our sales team will be happy to ask your detail questions.

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Is it possible to retrofit the 4-20 mA output?

Yes, that is possible. Therefor the sensor has to be re-engineered and re-calibrated in our factory in Herten. Our service team will be happy to advise you.

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What is wrong, when the sensor analog only outputs 2.3 mA?

This error usually occurs only when the sensor has not been pre-heated. Please wait one hour after connecting the sensor to the power supply. Afterwards it should work as usual. Should there be no signal between 4 and 20 mA after heating, please contact our service team.

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Maintenance

How often do BlueSens BCP sensors have to be maintained?

Because detector elements as well as IR-light sources have a limited life time BlueSens sensors should be maintained in the factory in Herten annually. Please also consider our convenient Blue4Care program to preserve the high measuring quality of your sensors.

How often do I have to change filters and sealings of my sensors?

The filters and sealing in your sensors stand out for high durability and will be changed during annual maintenance. In addition to that you should check filters and sealings after damage and with every one point calibration for contaminations and change them if necessary. You will find an illustrated instruction in you manual.

What accessories are needed for maintenance?

For maintenance of your sensors we only need the sensor and - if existing - the external pressure sensor. Cable, flow adapters or further accessories only have to be sent, if they have to be checked, cleaned or repaired.

Calibration

How often do BlueSens sensors have to be calibrated?

About once per month you should perform a one-point calibration and once per year within the scope of annual maintenance.

What is a one point calibration and how do I perform it?

The one point calibration developed by BlueSens is an easy method to minimize drift effects and obtain exact analysis results over long time periods.

If you are using your sensor continuously you should perform an one-point calibration once per month. If you are using non-continuously you should perform that one-point calibration before each fermentation run. For one point calibration you have to pre-heat your sensor for at least one hour where at you should expose it to the right calibration gas.

Your manual tells you which gas you should use for that. Then you can start the calibration procedure. Due to the fact that there are different ways to perform the calibration which depend on the type of sensor you have please read the manual for details.

If you have further questions or need help please contact our service team.

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Mechanical Connection

Can BlueSens sensors be mounted on every fermenter types and sizes?

Yes, BlueSens sensors can mechanically be mounted to all types and sizes of fermenters. We offer various connections. Either directly via TriClamp, 1 1/4" hose nozzle or for smaller fermenters using flow adapters. You just need to tell us the inner diameter using soft tubes or the outer diameter when using hard tubes or metal pipes.

Communication

Which protocol are BlueSens sensors using to communicate?

BCP sensors communicate using the RS-232 protocol. Our service can provide you with a list commands.

The sensor doesn´t give any values or reports „Wait while heating “?

This error usually occurs when the sensor has not been pre-heated. Please wait one hour after you have connected the sensor to the power supply. Afterwards it should work as usual.

CO2 Sensor

On which measuring principle is the CO2 channel based?

The CO2 sensor consists of an IR light source, a detector and the reflection measuring cell. The infrared light source is reflected by a gas-filled measuring adapter and the light weakened by the analyte gas is measured by the detector.

Does the CO2 channel show cross sensitivities to other gases?

No, the CO2 channel has no cross sensitivities in normal fermentation processes.

On which measuring principle is the CO2 channel based?

The CO2 sensor consists of an IR light source, a detector and the reflection measuring cell. The infrared light source is reflected by a gas-filled measuring adapter and the light weakened by the analyte gas is measured by the detector.

O2 Sensor

What is the difference between the two different oxygen measuring principles?

The BlueInOne Ferm is based on a ZrO2 (Zirconiadioxide) sensing element, like a Lambda probe in cars. This technique shows a very low noise signal and is well proven for microbial fermentation processes. It needs a minimum oxygen (see minimum value of measuring range) and could detect oxygen up to 50 vol.% in dry and wet gases gases. Unfortunately it could not be used in flammable or explosive gas mixtures.

The BlueInOne Cell is based on a galvanic measuring cell that could be used from 0 to 100 vol.% O2. It needs a little bit humidity to not get dry. The BlueInOne Cell is adapted to cell culture and anaerobic processes.

 

How do I have to store the BlueInOne?

Both sensor types should be stored at 0 – 60 °C in a clean environment.

  • BlueInOne Ferm: relative humidity lower than 75% (dry is the best)
  • BlueInOne Cell: relative humidity between 5 and 99% (not condensing)

Humidity

Is it possible to measure CO2 and O2 in liquid phase with BlueInOnes?

No, BlueInOnes could only be used to measure gas concentration in gas phase.

What happens if liquid/water is in the gas pipe?

In general this should be avoided, but the sensor elements are protected with hydrophobic filters.

Does humidity damage the sensors during use?

No, as long as the BlueInOne is connected to power, it is heated to avoid condensation in the measuring chambers.

What is the influence of humidity on the signal?

BlueInOnes are equipped with a humidity measurement. That means the signals of CO2 and O2 are humidity compensated.

Pressure

What is the influence of pressure on the signal?

BlueInOnes are equipped with a pressure measurement. That means the signals of CO2 and O2 are pressure compensated.

What is the pressure range the BlueInOne could be used in?

It could be used between 0.8 and 1.3 bar (absolute). This means at an atmospheric pressure of approximately 1 bar, the sensor could be used at 0.2 bar negative pressure and 0.3 bar positive pressure.

Temperature

What is the influence of temperature on the signal?

BlueInOnes have an internal temperature measurement and all signals are temperature compensated.

What happens if BlueInOnes are not used within the specified temperature range?

BlueInOnes are heated to a fixed and controlled temperature. Out of the specified temperature range this temperature control is not guaranteed, so the measuring results could differ.

Volume flow / Flow rate

Is it possible to measure the gas flow with BlueInOnes?

No, BlueInOnes measure only gas concentration.

Are BlueInOnes depending on gas flows?

No, BlueInOnes are working in diffusion mode that means the gas diffuses into the measuring chamber.

Electric connection

Are BlueInOnes CE conform?

Yes, BlueInOnes are conform to EMV guidelines (89/336/EWG, 92/31/EWG und 93/68/EWG) with the following applied harmonized standards EN50081–1, EN61000 und EN61326-1:2013. The low voltage guidelines (72/73/EWG and 93/68/EWG) are not applicable, because all used voltages are below 24V. BlueInOnes are also conform to the American FCC guideline FCC part15B.

By which means can a BlueInOne be connected to a process control system?

The BlueInOne has two M12 ports. Port A provides power supply input and serial communication (via RS-232 and RS-485). Port B provides two 4 – 20 mA analog output signals. One for the CO2 and one for the O2 channel.

By which means can a BlueInOne connected to a PC?

The sensor is connected either via RS-232 or RS-485 via a USB connector cable. If aRS-485 connection is applied daisy-chaining of sensors is possible. We can also provide Modbus TCP connectors for BlueInOne Sensors.

What is the situation, when the sensor provides only an output of 2,3 mA on one or both analog channels?

This is an error code, which usually indicates that the sensor is still heating up. Please check if the yellow LED light is on, as soon as the yellow light is off and the green LED light on, the sensor should work fine. This takes up to one hour. If the sensor provides a signal below 4 mA after heating, please contact our service team.

Maintenance

How often do BlueSens BCP sensors have to be maintained?

Because detector elements as well as IR-light sources have a limited life time BlueSens sensors should be maintained in the factory in Herten annually. Please also consider our convenient Blue4Care program to preserve the high measuring quality of your sensors.

How often do I have to change filters and sealings of my sensors?

The filters and sealing in your sensors stand out for high durability and will be changed during annual maintenance. In addition to that you should check filters and sealings after damage and with every one point calibration for contaminations and change them if necessary. You will find an illustrated instruction in you manual.

What accessories are needed for maintenance?

For maintenance of your sensors we only need the sensor and - if existing - the external pressure sensor. Cable, flow adapters or further accessories only have to be sent, if they have to be checked, cleaned or repaired.

Calibration

After which time a calibration of BlueSens sensors is recommended?

A one-point calibration is recommended once in a month. The regular factory maintenance is recommended every two years or when 9000 operating hours are expired.

What does one-point calibration mean? How is it done?

BlueSens provides an easy procedure to minimize drift effects, to ensure ongoing high accuracy and precision for our sensors.

If the sensor is used continuously the sensor should be calibrated once in a month, otherwise we recommend a calibration before fermentation.

To start a one-point calibration the sensors must be powered for at least an hour so that the sensor is heated up. In the meantime the sensor should be exposed to the calibration gas stated on the sensors data sheet. After the heating process the calibration process is executed via the BlueVis software or by simultaneous pressing both bottons on the BlueInOne for at least 5 seconds. The calibration process is accompanied by the green LED light which is flashing. After the sensor switched back to steady green the sensor is ready for use again.

For further support please contact our service team

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Mechanical Connection

Can a BlueInOne connected to fermenters of varying type and size?

Yes, we offer different types of connections in form of various flow adapters that can connected to Fermenters of all sizes and types. Our sales team gladly offers additional information.

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Communication

Which communication protocols are compatible with the BlueSens BlueInOne?

The BlueInOne is able to communicate over RS-232 and RS-485. The sensor also offers analog output in a 4 – 20 mA range. For a list of commands and registers, please contact our service team.

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The sensor displays no measurements (respectively only 2.3 mA) or sends the error code “wait while heating”?

Usually this means that the sensor is still heating and thus not measuring properly. Please wait until the yellow light is off and the green light gets on (This may take up to an hour, after the sensor is connected to power). After this the sensor should work as usual. If you still don’t receive the expected measurements, please contact our service team.

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What can I do with BlueVIS?

BlueVIS offers the possibility to run and control bioprocesses. It was very important for us to develop open software that allows connecting sensors, analyzers and other devices like agitators, mass-flow-controller, balances and pumps independent of brand/manufacturer. Visit our product page or contact our sales people for more information.

What are the minimum system requirements to run BlueVIS?

  • Intel I5 or higher
  • 8 GB Ram
  • 64 bit Windows (7, 8, 10)
  • 1 TB Hard disk space

Which devices are compatible / useable with BlueVIS?

A lot of devices are already “BlueVIS ready” and the umber will increase continuously. Next to special protocols BlueVIS comes with native RS232, RS485 and TCP interfaces. For devices that are not in the list below please contact our sales team for support.

Follwing devices are BlueVIS ready

Further devices could be connected with native and digital interfaces. In addition multiple analogue/digital adapters are available on the market.

Manufacturer

Device

Interface

HamiltonEasyFerm pH ARCRS485, Bluetooth
HamiltonVisiFerm, ARCRS485, Bluetooth
HamiltonDenCyteeRS485, PC-Box
BronkhorstMass flow controlerRS485
TraceC2 Glukose/LaktateTCP/IP
TraceP4 (Pump)TCP/IP
CATStirrerRS232
IsmatecReglo PumpRS232
Mettler ToledoInPro 5500iRS485
A&D CompanyBalanceRS232
UnknownYour deviceAsk us!

Communication with other software 

BlueVIS could deliver and receive data from the following systems / software

Manufacturer

Product

Interface

EppendorfDASware® controlOPC
SartoriusMFCSOPC
EppendorfBioCommand®OPC
MathWorksMATLABOPC
ExputecInCyghtData base
SiemensSiPatOPC
SecureCellLucullusOPC

Other possible with modification 

Is BlueVIS as 32bit version available?

Yes, we have a 32 bit version but with a few features less (e.g. graphic user interface GUI, no database). We recommend to use the 64 bit version. For further questions please contact our sales team.

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The measurement is interrupted from time to time and error messages like “Communication Lost” or “Timeout” occur?

Sometime the USB ports are deactivated by Windows (see manual). Please check the energy settings of Windows. Furthermore please check the USB cables and use an active USB-hub.

What can I do with BACVIS?

BACVIS is a predecessor of BlueVIS and was just made to log data from BlueSens sensors. If you have questions for the use of BACVIS please contact our service team.

A Sensor shows the value “comerr” and no data is shown?

This error could have two reasons:

  1.     Power supply was interrupted due to a not well connected cable. Please check all cables (Connection to BACCom) and power supplies. Please keep in mind to wait 60 minutes after power loss. Afterwards the sensor will show normal values.
  2.     If this doesn’t help maybe a defective sensor is the reason. Please get in contact with our service team.

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What can I do with FermVIS?

FermVIS is a predecessor of BlueVIS and was developed to monitor aerobic processes with our BCP sensors. In addition process parameters like CER, OUR or RQ are calculated for fermenters and shake flasks. If you have questions for the use of FermVIS please contact our service team.

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It is not possible to start a measurement.

Maybe there is not an O2 and a CO2 sensor for each fermenter available. Please connect these sensors to FermVIS and relate them to the corresponding fermenter.

A Sensor shows the value “comerr” and no data is shown?

This error could have two reasons:

  1.     Power supply was interrupted due to a not well connected cable. Please check all cables (Connection to BACCom) and power supplies. Please keep in mind to wait 60 minutes after power loss. Afterwards the sensor will show normal values.
  2.     If this doesn’t help maybe a defective sensor is the reason. Please get in contact with our service team.

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What can I do with BACCheck?

BACCheck was developed as a diagnosis tool for BlueSens sensors via RS232 connection with a PC. It is possible to perform a one point calibration. During this calibration the software collects also raw data and saves these to a file. In addition the software helps our service team to check sensor issues via remote access.

What happens with the created file?

BACCheck saves raw data in a file during one point calibration. This file could be send to our service team as an email for diagnosis if there is no remote access to the computer available. With these data our service team can analyse the sensor to find possible errors or malfunction very fast.

Calibration

How often do I have to calibrate BlueSens sensors?

It is recommended to perform a one point calibration once a month and a factory calibration during the annual maintenance.

What does „one point calibration“ mean? How is it done?

This calibration procedure was developed by BlueSens and calibrates your sensor without the need to calibrate it at a second point. This save gases and makes it much easier.

Unfortunately this procedure is confidential. It should be done every month if the sensor is used continuously, otherwise run the calibration before every fermentation. Therefore you have to heat your sensor for 60 minutes and apply the gas for calibration. Which gas you need is written in the specification sheet that comes with the sensor. In general there are multiple possibilities to do the calibration. Please check your manual for a detailed description.

If you have further questions please contact our service team.

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Repairs

How much does it cost to repair a sensor?

BlueSens sensors are very robust, so we normally just need to replace the used sensing elements and filters. If the sensor is really damaged (mechanical stress) we need to check this physically and prepare an individual quote.

Blue4Care

What is Blue4Care?

Maintenance and calibration on regular base are recommended to get always accurate measuring signals. This is will guarantee the quality of our products and of the produced data. As a special offer you can get a discount of up to 50% on the normal maintenance fee sending the sensor for maintenance every year. In addition we are extending the guarantee for another year.

For more information click here.

Remote Support

Is it possible to do remote support for BlueSens sensors?

To avoid huge cost and long waiting times for trouble shooting we offer error analysis via TeamViewer, a remote-software. As an alternative if you do not have internet access you can use our diagnosis software BACCheck to collect data offline and send the created file with an email to our service team.

What does remote support cost?

With the purchase of a BlueSens product you get automatically 30 minutes service time for free. If this is not sufficient, we prepare a quote for additional service time.

Additional effort like software installation, configuration of software and sensors is not included. In the case you like BlueSens to install software and do the configuration, please contact our service time, we gladly prepare an individual quote for you.

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On site service

Which kind of "on site service" does BlueSens offer?

In general our products are designed to ensure an easy installation and use by the end user himself. If this does not work we offer remote support.

Sometimes it makes sense that a BlueSens professional does installation on site. For this case please get in contact with our service or sales team. We will prepare a quote corresponding to your needs.

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Why do I need gas analysis in the case of aerobe bio-processes?

By observing aerobe processes by means of gas analysis a direct deduction can be made on the condition of the cultivation.
Thus, for instance, oxygen or substrate limitation can be recognised immediately. On the basis of the gas analysis growth rates [ µ] can also be calculated.

Can a process be controlled based on gas analysis?

Gas analysis is excellently suited to regulate bioprocesses as this analysis method is very resistant to failure. By using BlueSens sensors precise measurement values can be analysed directly in the exhaust line. Thereby parameters such as e.g. the oxygen uptake rate (OUR or OTR), carbon dioxide production rate (CER or CTR) and the resulting respiration quotient (RQ) can be calculated. Then, to prevent oxygen limitations, the gassing rate and the rotation speed of the fermenter agitator can be adjusted. By the well-directed substrate feed (based on the RQ) unwanted effects (e.g. Crabtree) can be prevented.

Why does BlueSens offer individual sensors and no central gas analyzers?

  • the individual sensors can be implemented more flexibly
  • BlueSens sensors can be integrated directly in pipes (exhaust gas line) and do not require gas treatment (e.g. cooling

Why does BlueSens not offer any gas multiplexers?

The idea of gas multiplexing is based on the fact that gas analysers are expensive, that measuring gas has to be dried and by no means may particles enter the analyser. The BlueSens sensors have been especially developed for processes with high water contents and pollution burden.

  • no exhaust gas cooler required
  • avoidance of long gas feed lines
  • no complex valve circuits required
  • additional software for the control of the valves and measured data collection superfluous
  • measurement conform with PAT
  • Regulation by large amount of available data possibl

What is the life expectancy for BlueSens sensors?

The life expectancy depends on the measuring principle.

  • based on their principle infrared sensors last for 2-3 years
  • in the case of electro-chemical sensors life expectancy for the O2 sensors is 900,000 vol.%h
  • Zirconium dioxide-sensors last, based on their principle, for approx. 15,000 operating hours

What measuring intervals are necessary and possible?

BlueSens sensors measure non-stop and every customer can decide at which measuring intervals he would like to get the measured values.

How can the data from the gas analyzing system be transferred to a computer or process control?

The transfer can be effected by means of a

  • power signal 4-20 mA
  • serial data transfer RS232
  • Ethernet TCP/IP
  • USB
  • RS485

How much do BlueSens sensors cost?

We gladly submit a quotation without engagement. Please contact our sales team.

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