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Tandem Gas Analyzer

 

The Tandem CO2 and O2 gas analyser has been used by scientists and engineers for over a decade to understand the cells in their fermenters and bioreactors in more detail. Other gas analysis equipment, such as a mass spectrometer, may help you get the O2 and CO2 conentrations, however, the Tandem has been specifically designed for the fermentation industry and for ease of integration. We understand the equipment you already use, and how to benefit quickly from installing a new sensor. We can provide application examples, practical help and simple step by step guides for you, whether you run one or two 50ml mini-fermenters or a facility with multiple 100m3 manufacturing bioreactors. The Tandem has already been installed on all these equipment ranges, and on almost all manufacturers' models, meaning you have the benefit of a flexible and portable analyser. The accuracy and precision of the sensors inside the analyser are designed for fermentation processes and their process control equipment.

PRODUCT INFORMATION

TANDEM BROCHURE

Download a pdf file:

  • Greater understanding of your cells and processes

  • Physiological state measurement on-line

  • Scale-up and scale-down predictions

  • Batch variation studies: feature analysis

  • Metabolic flux analysis and mass-balance calculations

TANDEM MANUAL

Download a pdf file:

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The Tandem Standard CO2 and O2 Gas Analyzer does not have a local display and therefore requires an external PC or control system to display and calibrate the dual 4-20mA and 0-10V outputs.

 

The Tandem Gas Analyzer is incredible value and offers you all these benefits:

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  • Accurate fed-batch control

  • Repeatable event decisions: induction, infection, harvesting etc.

  • Batch variation studies: anomaly analysis

Increase the reliability and repeatability of your processes

  • Metabolic activity based feeding

  • Repeatable event decisions: induction, infection, harvesting etc.

Automate your processes

  • On-line information, allows real-time calculation of RQ, CER, OUR, growth rate, KLa etc.

  • 0-10V and 4-20mA, with RS232 on PRO & Multiplex

  • Integrates to any reactor size (250ml – 100m3)

Dedicated, continuous, standard signals for all your reactors

General Operating Specifications

Feature

CO2

O2

Measurement Principle

Infrared Absorption

Electrochemical

Range

Standard

Medium

High

 

Resolution

 

Accuracy

 

Drift

 

Operating Temperature

 

Temp. Compensation

 

T90 Response Rate

 

0-5%

0-10%

0-20%

 

0.01%

 

+-2% of full scale

 

<0.05% / month full scale

 

0 - 45°C

 

Included

 

<50 secs

 

0-30%

0-50%

0-100%

 

0.01%

 

+-2% of full scale

 

<0.05% / month full scale

 

0 - 45°C

 

Included

 

<10 secs

 

SIGNAL CABLES

REPLACEMENT PARTS

SL-BW-3m

Bare wires, signal cable for Tandem and PRO. 10ft/3m

 

SL-BraunBC-3m

Sartorius signal cable, (Biostat B&C 15pin D) for TGA and PRO. 10ft/3m

 

Please be sure to order a cable for each gas analyzer you buy. If you unsure of which cable you require please do not hesitate to contact us

Multiplexed Tandem Replacement Oxygen Sensor

 

Replacement Carbon Dioxide Sensor, all models (range CO2-X e.g. X=10%)

 

Service and repair of CO2 sensor, where possible

 

Replacement / Upgrade of electronics board in older style Tandems

 

 

SERVICE OPTIONS

Standard Tandem service, including recalibration test, no parts included

 

Tandem PRO service, including recalibration test, no parts included

 

Multiplexed Tandem service, including recalibration test, no parts included

 

 

 

CONTACT US FOR MORE INFO

Please choose your gas range:

Gas Range Part Numbers

O2 0-30%, CO2 0-10%

 

O2 0-50%, CO2 0-10%  

 

O2 0-100%, CO2 0-10%

 

O2 0-30%, CO2 0-20%

 

O2 0-50%, CO2 0-20%

 

O2 0-100%, CO2 0-20%

TGA-30-10

 

TGA-50-10

 

TGA-100-10

 

TGA-30-20

 

TGA-50-20

 

TGA-100-20

SL-BW-3m

 

SL-BW-9m

 

SL-BraunBC-3m

 

SL-BraunBC-9m

 

SL-DCU-T-3m

 

SL-DCU-T-9m

Tandem PRO Bare wires, signal cable for Tandem and PRO (10ft/3m)

                               

Tandem Bare wires, signal cable for Tandem and PRO (29.5ft/9m)

                           

Tandem Sartorius signal cable, (Biostat B&C 15pin D) for TGA and PRO (10ft/3m)

   

Tandem Sartorius signal cable, (Biostat B&C 15pin D) for TGA and PRO (29.5ft/9m)

 

Tandem Sartorius signal cable, (DCU Tower 5pin O - 10ft/3m)

                                   

Tandem Sartorius signal cable, (DCU Tower 5pin O - 29.5ft/9m)  

 

TGA Wire options

Cable Configurations & Part Numbers

TGA Wire options