BlueSens YeastForce Manuel utilisateur

Rev 220301 003

Operating manual

Betriebsanleitung

Rev 220301 003

OPERATING MANUAL

Content

1ABOUT THIS DOCUMENT ..............................................................................................3

Purpose.................................................................................................................................... 3

Target group............................................................................................................................. 3

Symbols in use......................................................................................................................... 3

2FOR YOUR SAFETY........................................................................................................4

In general ................................................................................................................................. 4

Authorized personnel ............................................................................................................... 4

Proper and intended usage...................................................................................................... 4

Warning against misuse........................................................................................................... 5

General safety instructions....................................................................................................... 5

CE conformity........................................................................................................................... 5

3PRODUCT DESCRIPTION ..............................................................................................6

The sensor ............................................................................................................................... 6

Converting to a standardized gas ............................................................................................ 6

Accessories.............................................................................................................................. 7

Required laboratory materials.................................................................................................. 8

4INSTALLATION................................................................................................................9

General instructions ................................................................................................................. 9

Attaching the filter adapter ....................................................................................................... 9

5ELECTRICAL CONNECTION ........................................................................................10

In general ............................................................................................................................... 10

USB - RS232 cable wrap-around........................................................................................... 10

RS232 connection to the PC.................................................................................................. 10

6YEASTFORCE MONITOR .............................................................................................12

Installing the software............................................................................................................. 12

Connecting the sensors ......................................................................................................... 14

Search for heads:................................................................................................................... 14

CO2sensor: single-point calibration....................................................................................... 16

Volume inspection.................................................................................................................. 19

Preparing a measurement...................................................................................................... 22

Starting a measurement......................................................................................................... 26

7APPENDIX.....................................................................................................................28

Technical data........................................................................................................................ 28

Warranty................................................................................................................................. 28

Service and Support............................................................................................................... 28

Proper disposal ...................................................................................................................... 29

Imprint .................................................................................................................................... 29

8CE-CONFORMITY.........................................................................................................30

9FCC-CONFORMITY.......................................................................................................31

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OPERATING MANUAL

1 About this document

Purpose

This operating manual provides you with all the information you need to

quickly commission and safely operate the YeastForce. Please read this op-

erating manual before you start the initial commissioning. Keep this operating

manual in a safe place for future reference.

Target group

This operating manual is intended for trained specialist personnel. The con-

tents of this manual must be provided to and implemented by the trained

personnel.

Symbols in use

Danger!

This symbol indicates a possibly dangerous situation. Failure to

comply with these safety instructions may result in personal in-

jury.

Caution!

This symbol indicates a situation, which could result in damage

to equipment or other property.

Note!

This symbol indicates additional helpful information.

1 Sequence of actions

Sequential numbering indicates successive steps.

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OPERATING MANUAL

2 For your safety

In general

The YeastForce was inspected before it left the factory and was in an oper-

ationally ready condition.

Please read this operating manual carefully before installing and commis-

sioning the device. The operating manual contains safety instructions that

must be followed to ensure safe operation.

The contents of this manual correspond to the status as of November 2020;

they may be changed without prior notice. We reserve the right to make tech-

nical changes in the course of further developments.

The accuracy of the information in this manual has been carefully checked.

Nevertheless, the BlueSens gas sensor GmbH assumes no liability for con-

sequences arising from any errors in the description and illustrations. The

General Terms and Conditions of BlueSens Gas Sensor GmbH apply.

This device must never be operated under conditions that do not conform to

its specifications and information specified on the ratings plate.

Maintenance and repair may only be carried out by properly trained, compe-

tent personnel who are familiar with the associated risks and warranty provi-

sions.

Authorized personnel

The operations described in this operating manual may only be carried out

by trained specialist personnel who have been authorized by the facility op-

erator. For safety and warranty reasons, any further intervention or repairs

to this device may only be carried out by personnel from BlueSens gas sen-

sor GmbH.

Proper and intended usage

The YeastForce, as described in the Technical Specifications, is a device

for measuring volumetric flows in the specified flow range and under the

specified conditions. It is used to monitor metabolic procedures within bio-

logical processes. The YeastForce measuring device may only be used in

well-ventilated rooms.

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OPERATING MANUAL

Danger!

This measuring device has no ATEX approval and may only be used

in well-ventilated rooms.

Warning against misuse

The YeastForce may not be used as a safety component for monitoring in

facilities; it must not be used in explosive zones.

General safety instructions

This device may pose application-specific hazards if it is used improperly.

Danger!

Incorrect installation or configuration may result in an explosion.

Check all connections for leaks after the installation is finished.

CE conformity

The YeastForce complies with the EMC Directive (2014/30/EU) using the

harmonized standards EN 55011, EN 61326-1.

The Low Voltage Directive (2014/35/EU) does not apply because no voltage

higher than 24 V is used.

See the last pages of this manual for the CE and the FCC certificate.

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OPERATING MANUAL

3 Product description

The sensor

The YeastForce consists of a sensor top section [A]

(with sensors for pressure, CO2concentration and

temperature) and a lower section consisting of a jar

[B] with one bracket [C].

There are two connectors on the top of the

YeastForce. One connection is used for the power

supply and communications [D]. The other connec-

tion is used for the gas discharge [E]. A filter is in-

cluded for the gas discharge.

Figure 1



During operations, the filter must be mounted at the gas discharge outlet.

Otherwise, the pressure cannot be released from the sensor.

This would prevent the sensor from functioning correctly; dangerous over-

pressure could then occur.

To achieve the best measurement result, the

YeastForce should be operated in a bath of water at

a constant temperature while measuring. The water

level must not be higher than the glass jar.

Converting to a standardized gas

The YeastForce has sensors for pressure and tem-

perature. With the help of these measured values,

the internally calculated volume is normalized to the

standard conditions of 1013.25 mbar and 273.15 K

(0°C).

The calculation can be converted back to any labor-

atory conditions by using the general gas equation.

Since the number of particles in a closed system is

constant, the following formula applies:

𝑝 ∗ 𝑉

𝑇= 𝑐𝑜𝑛𝑠𝑡𝑎𝑛𝑡

where 𝑝 = 𝑃𝑟𝑒𝑠𝑠𝑢𝑟𝑒 [𝑚𝑏𝑎𝑟]

𝑉 = 𝑉𝑜𝑙𝑢𝑚𝑒 [𝑚𝑙]

𝑇 = 𝑇𝑒𝑚𝑝𝑒𝑟𝑎𝑡𝑢𝑟𝑒 [𝐾]

In the template settings of the YeastForce Monitor,

you can set the standard conditions for the tempera-

ture to easily compare it with other measuring meth-

ods according to user requirements.

Rev 220301 003

OPERATING MANUAL

Accessories

The following accessories are required for the ini-

tial commissioning of the YeastForce:

3.3.1 USB RS232 serial port adapter with

power supply connection

(Z-KA-00014)

With wrap-around (refer to chapter 5.2)

Figure 2. Connection from the PC (USB) to the

YeastForce (M12 / 8-pin)

3.3.2 12 V DC power supply

(Z-NT-00010)

Figure 3. 12 V DC power supply

3.3.3 Glass jar for the YeastForce

Standard empty volume of 562.5 ml (± 2

ml)

(Z-GF-00019)

Figure 4 Glass jar for the YeastForce

3.3.4 Bracket for the YeastForce

(Z-XX-00166)

Figure 5 Bracket

3.3.5 Filter adapter for the YeastForce gas

discharge

(Z-XX-00133)

Figure 6 Filter adapter

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OPERATING MANUAL

3.3.6 Piston pump for volume inspection (20

ml)

(Z-XX-00134)

Figure 7 Piston pump

3.3.7 Active USB hub

Optional

(K-00006)

Figure 8 Active USB hub

3.3.8 Seal ring

(Z-XX-00200)

Figure 9 Seal Ring

Required laboratory materials

3.4.1 Sodium hydroxide NaOH

For removing residual CO2during the single-point

calibration of the CO2sensor

Available from chemical specialty stores

3.4.2 Water bath

The sensor is calibrated to a temperature range of

15-40°C. Therefore the water bath may have a tem-

perature range of 25-40°C.

Water height: 5 –9 cm (maximum height of glass

jar)

The YeastForce must not be completely im-

mersed because it has a protection class of IP64!

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OPERATING MANUAL

4 Installation

General instructions

During delivery, the YeastForce has been shipped in

protective packaging. This packaging protects

against normal transport loads. Nevertheless, please

check before installation whether the device has

been damaged by improper transport or improper

storage. Safe operation is not possible if the device

is damaged. The device may not be installed or put

into operation if damage is detected.

Make sure that the specified operating conditions are

maintained at all times.

Installation should only be carried out under expert

guidance and in accordance with the relevant recog-

nized occupational safety regulations.

Attaching the filter adapter

Important!

If the sensor is supplied without a filter adapter on

the gas discharge, the filter adapter must be at-

tached to the gas discharge after unpacking the

YeastForce sensors.

Figure 10 Attaching the filter adapter

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OPERATING MANUAL

5 Electrical connection

In general

Caution!

Read the installation instructions carefully to

avoid damaging this device.

Proceed step by step.

Use only the original plugs, cables and power

supplies.

Never connect or disconnect the plug when

the device is connected to the power supply.

This device has no on/off switch. It starts op-

erating immediately after it is connected to the

power supply.

Incorrect operations may damage the device.

USB - RS232 cable wrap-around

To minimize the risk that the YeastForce cable

tangles with any other cables, the power supply

cable should be wrapped around the data cable. A

simple method is to wrap the power supply cable

around the data cable.

First, wrap the data cable around the M12 8-pin

connector. Continue until the power supply cable

is completely wrapped around the data cable.

Figure 11 Wrapping the cables

At the end, make a small loop and form the cable

into a knot. This prevents the power cable from un-

winding.

Figure 12 Knot the cables at the end

RS232 connection to the PC

The USB-to-RS232 cable (with power supply) is

first attached to the YeastForce using the M12 8-

pin adapter.

The plug of the power supply unit is then connected

to the power connection of the data cable and se-

cured so that it cannot slip out.

Figure 13

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