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22910 East Appleway Avenue, Suite 4, Liberty Lake, WA  99019-8606 

Tel: (509) 624-

9290     •    Fax: (509) 624

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9488     •    E

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mail: [email protected]     •    Web: www.qnw.com

 

Instruction 
Manual      

 

 

 

qpod 2e

 

 

Temperature-Controlled Sample Compartment for Fiber 

Optic Spectroscopy

 

 

 

 

Summary of Contents for qpod 2e

Page 1: ...way Avenue Suite 4 Liberty Lake WA 99019 8606 Tel 509 624 9290 Fax 509 624 9488 E mail quantum qnw com Web www qnw com Instruction Manual qpod 2e Temperature Controlled Sample Compartment for Fiber Op...

Page 2: ...luded with Your Purchase 2 System Setup 3 Software Installation 4 Optics 4 System Operation 6 Error Conditions 7 Temperature Specifications 7 Other Specifications 7 Optical slits provided with the qpo...

Page 3: ...ter provides temperature control and variable speed magnetic stirring and holds optical slits for limiting light access to the cuvette as needed A dry gas purge may be used to minimize condensation wh...

Page 4: ...d gas on the side of the qpod 2e A flow of gas must be used to prevent condensation on the faces of the cuvette when working below the dew point temperature Set the dry gas flow rate to 50 200 cc min...

Page 5: ...ample to roughly double the amount of emitted light collected An imaging lens assembly contains two inch diameter 30 mm focal length broadband AR coated fused silica lenses The principal point of one...

Page 6: ...ding the black end piece screw the silver sleeve back into place 9 Insert the SMA connector and silver sleeve into the hole in the optical assembly For a first adjustment insert the assembly until the...

Page 7: ...ng the focus of the light This adjustment is most important at UV wavelengths Measurements can be made without these alignments However in the unaligned system the reference spectrum may change with t...

Page 8: ...rror message may not be returned immediately after the command containing the error was sent the text of the bad command is included bracketed by and Error 09 replies will be apparent only when the Sc...

Page 9: ...s 8 5 mm from the bottom surface of the cuvette Thus for some kinds of cuvettes it is necessary to specify this standard z height Lenses Collimating optics use a single 6 mm diameter 12 mm focal lengt...

Page 10: ...1 Sample holder is a four position turret with probe capability Assigned Identities ID 10 single cuvette holder 11 single cuvette holder with probe capability 12 high temperature single cuvette holder...

Page 11: ...the target temperature F1 TT Turn off automatic reporting of manual changes to the target temperature Instrument Status F1 IS What is the current instrument status F1 IS 0 S Response is four parameter...

Page 12: ...c probe temperature report F1 PA S 0 5 Automatically report probe temperature every increment of 0 5 degrees during a ramp Increment must be a positive value without sign in tenths between 0 1 and 9 9...

Page 13: ...Note For the higher ramp settings the observed rate may be lower than that calculated from RT and RS or it may be nonlinear over part of the temperature range because the maximum possible rate of heat...

Page 14: ...to send a long series of commands by loading a text file known as a controller script that can be easily generated in a text editor such as Windows Notepad 9 Provides a number of program specific scri...

Page 15: ...efined in the first line of the script see the example script in Appendix 3 where the second line sets INTERVAL to 0 6 seconds or 0 01 minutes WD This program command will cause the script to Wait for...

Page 16: ...of a script LCT or LCT Enable or Disable listing of Current Temperature replies during running of a script LPT or LPT Enable or Disable listing of Probe Temperature replies during running of a script...

Page 17: ...ata collected to that time CTD This command will clear the time temperature records In addition the time will be restarted at zero and a new record of time temperature will be started MSG message or M...

Page 18: ...rature periodically LTT Do not list target temperature returns in script window LCT Do not list current temperature returns in script window LPT Do not list probe temperature returns in script window...

Page 19: ...e reporting is already running BPT Turn off the computer beep each time a probe temperature report is received D 800 Wait 8 min to allow temperatures to stabilize Ramp back to 20 F1 RT S 25 Set Rampin...

Page 20: ...e intervals The second ramp from 40 to 45 degrees is slower 0 2 degrees min with the computer beeping every 0 5 degrees to provide more information over a critical range of temperatures The third ramp...

Page 21: ...re monitoring and parameter acquisition be done by the same program Lacking that then one would like to be able to acquire temperature and parameter data at the same time interval with both acquisitio...

Page 22: ...he temperature as a function of time Panel B shows the average absorbance as a function of time Panel C combines the data in A and B to show the change in the average absorbance as a function of tempe...

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