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CorSolutions PeriMicro, Руководство оператора

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CorSolutions  Version  V2.003 

Trouble Shooting: 

Air Bubbles.

  If air is pulled into the flow sensor, the pump will behave erratically.  Always ensure there is 

sufficient aqueous solvent in the reservoir and that the inlet tube is submerged in liquid.  Furthermore, when 
using the pump with a negative flow rate value (in an aspirate mode), ensure that air is not pulled into the 
flow sensor.  Degassing of the fluid supply is recommended if bubble formation is an issue.  Once air bubbles 
are introduced in to the system, purging of the pump is recommended.  

 

Small bubbles will be trapped in the Dampener/Bubble Trap tube located below the flow sensor on the 

pump front face plate.  These apical regions serve as a bubble trap to limit the bubbles entering the flow 
sensor.  The small trapped bubbles should not affect the performance of the pump. 

 

All major air bubbles should be removed from the system using the purge process.  If desired, small trapped 
bubbles may be removed from the system by using a plug of air.  This can be accomplished by removing the 
inlet tube from the liquid source for just a few seconds before returning the inlet tube to the liquid source.  
This will generate a plug of air that will sweep out the small trapped bubbles in the system. 

Dampener / Air Bubble 

Trapping Tube

IMPORTANT:  

If the pump is acting erratically where the motor spins back and forth with quick jerky movements, 
there is most likely an air bubble in the flow sensor portion of the system.  To rid the system of air 
bubbles, first try purging the flow sensor, and if the pump still behaves erratically, perform the 
entire purge process.

 

Содержание PeriMicro

Страница 1: ...ANUAL Congratulations on your purchase from CorSolutions Please read this Operator s Manual which explains proper operation of the fluid delivery pump Safety Warning Not approved or intended for human use Always wear protective eyewear when pump is in use Liquid Outlet Liquid Inlet Pump Rollers Flow Sensor ...

Страница 2: ... the flow rates will not be accurate 2 For proper operation 1 32 inch tubing must be attached to the flow sensor outlet This tubing is part of the dampening system and is needed for proper closed loop feedback for the flow control If a different outlet tubing type is desired please employ a union at the end of the 1 32 inch outlet tube to connect to the desired tubing type CorSolutions has adapter...

Страница 3: ... its contents to the computer hard drive Then click on the application CorSolutionsPump EXE and installation will begin Installation of the USB to Serial Driver For both LabVIEW and non LabVIEW computers Please note that the application requires Administrative Rights so that the communication port COM may be configured correctly for the pump Installing the USB to Serial Driver PC Requires Administ...

Страница 4: ...4 CorSolutions Version V2 003 6 Right click on the USB Serial Port COMx entry a drop down will appear 7 Click on the Port Settings tab at the top then click the Advanced button ...

Страница 5: ...n V2 003 8 The final dialog will appear 9 The Latency Timer msec setting is to be changed Click on it then select and change the value to 2 10 Click on the OK button and follow back through the dialogs clicking OK in turn 2 ...

Страница 6: ...ftware Start the software by clicking on the CorSolutions icon shown below A box similar to the one below will then open Then select Scan All Ports as indicated below A CorSolutions pump will be detected if present and will be indicated in the Device Found field ...

Страница 7: ...rder to avoid the scanning process Once a pump s is found select the Finished button at the bottom right of the screen If No Device on port occurs thus indicating there is no pump found check to see the communication cable is connected and that there is power to the pump The software will then open as indicated below for a single pump Left or two pumps right ...

Страница 8: ...nto a suitable vessel containing the aqueous based solution as shown here Next remove the fitting to the inlet side of the flow sensor as shown below This will relieve the backpressure in the system during the purge process Remove Inlet Line To Flow Sensor When Purging At high Flow Rates ...

Страница 9: ...sensor is disabled and the pump operates as a traditional peristaltic pump Enter a flow rate value of 500 and then click Set This will have the pump run at a fixed rate of 500 µL min Liquid will soon be observed exiting the Flow Sensor inlet fitting as shown below Allow for liquid to continue exiting until all major air bubbles are purged Purge Until Liquid Exits the tube and no air bubbles are ob...

Страница 10: ...nlet ensuring that the tubing is seated past the ferrule s end for the PeriNano PeriMicro pump models For the PeriMilli model insure the tube is flush with the bottom of the flat bottom ferrule The image below shows how the tubing needs to protrude from the fitting end in order to make a proper connection to the flow sensor ...

Страница 11: ...ds Once the flow sensor registers a value approaching the maximum for a given model the flow sensor will be filled PeriNano 7 microliters min PeriMicro 50 microliters min PeriMilli 1000 microliters min Click the Stop button to stop the flow of liquid And finally click the Purge Mode button to take the pump out of Purge Mode The flow control light will become illuminated ...

Страница 12: ...r to the motor is turned off In contrast setting the flow rate to 0 µL min keeps the pump in Flow Control Mode and the pump will continue to compensate to maintain a flow of 0 µL min The ability to maintain a flow rate of 0 µL min is useful when multiplexing more than one pump as the pump set to 0 µL min will compensate for changes in backpressure eliminating the possibility of back flow Timer The...

Страница 13: ...erview of the Waveform module Click Use Waveform Select the desired type of Wave Sine may the best type to start with since it has smooth transitions Amplitude is the min and max value centered around the Offset Offset is the target flow center value Don t Use the Duty parameter Example Period 30 Offset 1000 Amplitude 200 The Sine Wave will be generated over 30 seconds with the flow resulting in 8...

Страница 14: ...the Waveform Module The Waveform Configuration Window will open 1 Enter the values in the offset Amplitude and Period Field 2 Choose the Type of Waveform 3 Check the box Use Waveform 4 Select the OK Click Here Waveform Configuration Window ...

Страница 15: ...bble trap to limit the bubbles entering the flow sensor The small trapped bubbles should not affect the performance of the pump All major air bubbles should be removed from the system using the purge process If desired small trapped bubbles may be removed from the system by using a plug of air This can be accomplished by removing the inlet tube from the liquid source for just a few seconds before ...

Страница 16: ... pump s internal volume is too large or where the tubing is not chemically compatible with the fluids an optional loop injection kit is available See schematic and valve below With this configuration the sample solution may be loaded into a loop that resides between the pump and the microdevice Once loaded the pump may be used to displacement the sample from the loop to the microdevice This valve ...

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