Related Manuals for SCP SCIENCE DigiPREP 500
Summary of Contents for SCP SCIENCE DigiPREP 500
- Page 1 DigiPREP 500 Distillation System User Manual www.scpscience.com Providing Innovative Solutions to Analytical Chemists...
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Page 2: Safety Warnings
The maximum allowable humidity is 80%. The maximum allowable room temperature is 50 °C. Please read this operating manual carefully before starting to use your new DigiPREP 500 steam distillation sys- tem! The manual introduces you to the use of the system with clear and simple guidance. -
Page 3: Table Of Contents
Contents Scope of Delivery ..............................5 Parts List Use of the DigiPREP 500 in Chemical Analyses ..................... 5 Operating Conditions Rear view of the DigiPREP 500 ..........................6 Installing the DigiPREP 500 ............................8 Placement of the steam distillation apparatus... - Page 4 Changing the Viton Stopper ........................... 30 Changing the inside of the Device ......................... 30 Changing the Steam Tubing ........................... 31 Emptying the Steam Generator Adapting the DigiPREP 500 to your personal requirements ................34 Choosing the language Configuring the level sensor Setting the time...
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Page 5: Scope Of Delivery
Immediately on receipt, check the contents of the deli- very for absence of damage and completeness. The DigiPREP 500 is an effective automatic distillation A claim for damage in transport, which is evident on the system for use in various applications. Principally, in the outside of the packing, must be immediately submitted steam distillation of Kjeldahl ammonia solutions. -
Page 6: Rear View Of The Digiprep 500
- steam outlet RS232-1 Titration Unit RS232-2 / Titr.Unit Parallel-Printer Fig. 3 Level Detectors Power Fig. 2 Figure. 1: DigiPREP 500– rear view DigiPREP Distillation 500 SCP SCIENCE Version 1.0... - Page 7 Rear view of the DigiPREP 500 Rear view of the DigiPREP 500 Fig. 1: Overview of the rear side Air vent Overpressure steam release Steam generator overflow outlet Steam generator drain Excessive temperature circuit breaker Cooling water inlet with filter Fig.
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Page 8: Installing The Digiprep 500
Installing the DigiPREP 500 Emplacing the steam distillation system ‰ While installing the DigiPREP 500, be sure to adhere to all building codes pertaining to plumbing and to Place the system on the bench top. waste water disposal regulations. Unpack the accessory parts. -
Page 9: Electrical Connections
Connect the titrator connection cable to the appropri- insert the PP tube into the container for sample waste ate port of the DigiPREP 500: Depending on the type discharge. of titrator, it will fit into the RS 232 socket (3.4) or the Connect the 8/12 PVC tube segment to the connection 25-pin socket (3.6). -
Page 10: Filling The Steam Generator
Leave the suction lance in the beaker; this way you can check if the device is working properly. X Fill the beaker with distilled water. X Insert the titration vessel. X Perform some distillations to make sure the device is working properly. DigiPREP Distillation 500 SCP SCIENCE Version 1.0... -
Page 11: Front View Of The Digiprep 500
4.30 4.31 4.32 4.29 4.28 4.27 4.26 4.25 4.24 4.10 4.11 4.23 4.12 4.13 4.14 4.22 4.21 4.20 4.15 4.18 4.19 4.17 4.16 Figure 4: DigiPREP 500– Front view DigiPREP Distillation 500 SCP SCIENCE Version 1.0... - Page 12 Front view Front view of the DigiPREP 500 Figure 4: Diagram legend Operating control unit: Chemical-resistant 4.17 Distillate level sensors (the 2nd is hidden plastic foil behind the stirrer) Liquid crystal display (LCD) 4.18 Protection vessel for pH electrode Control knob 4.19...
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Page 13: Provide The Cooling Water Supply
Open the water tap. Switching the DigiPREP 500 on Turn the power on by switching the MAIN SWITCH (3.15) on the front of the DigiPREP 500 to the position “I“. The electrical power switch of the DigiPREP 500 fulfills two functions. It serves to turn the system on... -
Page 14: Distilling With The Digiprep 500
/ stop – Operating control unit Your DigiPREP 500 steam distillation system is pro- grammed and operated easily with a single knob. The principle remains in all cases the same: Turning the knob enables you to choose an option. The option is recognized by being highlighted with green text on a black background. -
Page 15: Modifying A Distillation Program
By pressing on the knob you will then enter the pro- Prog.Number gramming options of that selected program number. Reac.time If you are working with the DigiPREP 500 for the first time, then leave the program number selection on 01. Power Pump delivery rates depend on the position of the... - Page 16 Titration will go to this pH if DrainTitr AutoEndPt is off. Not all titrators allow endpoint set- H3BO3 ting from the DigiPREP 500. With <<== ==>> some titrators the endpoint must be set on the titrator itself. DigiPREP Distillation 500 SCP SCIENCE Version 1.0...
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Page 17: Distilling
The maximum allowable room temperature is 50 °C. (Re)filling the reagent lines Before you use your DigiPREP 500 for the first time, or after long period of not using, the delivery pumps and tubing should be filled with the respective reagent, replacing any air or distilled water in the lines. -
Page 18: Performing The (Re)Filling
Following the initialization, the main menu appears: Push the PTFE steam delivery tube into its retaining notch (4.21). By repeatedly pressing <<== you will return to the main PROGRAM menu. START OPTIONS The menu selection Start is highlighted. DigiPREP Distillation 500 SCP SCIENCE Version 1.0... -
Page 19: Starting The Test Run
Press the knob to end the distillation. Now select DRAINSAMPLE. Hold the knob until there is no more water in the sample vessel. Select Drain Titr.Cell. Hold the knob until there is no more water in the titration cell. DigiPREP Distillation 500 SCP SCIENCE Version 1.0... -
Page 20: Switching The Titrator On
Starting the automatic distillation Caution! Sample vessel is hot! During the distillation and for a short time thereafter, do not touch any parts of the distillation system behind the plexiglass door. DigiPREP Distillation 500 SCP SCIENCE Version 1.0... -
Page 21: Ending The Automatic Distillation
Ending the automatic distillation Manual distillation with the DigiPREP 500 Caution! Sample vessel is hot! Glass can break and cause injury! In work- After distillation do not touch the sample ing with glass components, observe all vessel by hand. Use the crucible tongs or a appropriate safety precautions. -
Page 22: Performing A Manual Distillation
The introduction of steam is started by short pressing the knob. Steam will continue to flow into the sample vessel until the knob is pressed again. Press the knob (3.3) briefly to start the distillation. DigiPREP Distillation 500 SCP SCIENCE Version 1.0... -
Page 23: Ending The Manual Distillation
Caution! Sample vessel is hot! After distillation do not touch the sample vessel by hand. Use the crucible tongs or a suitable kind of protection. Depress the quick-release fastener and remove the sample vessel. DigiPREP Distillation 500 SCP SCIENCE Version 1.0... -
Page 24: Before Shutting The Digiprep 500 Down
Maintenance Before shutting the DigiPREP Rinsing 500 down The following display appears: If you have finished working with the DigiPREP 500, please keep the following points in mind: Manual entry — Sodium hydroxide and, to a lesser extent, boric Device acid attacks the pumps and tubing. -
Page 25: Maintenance
Hold the knob until no more water flows into the titration vessel. X Switch the DigiPREP 500 on. While the steam gene- The H pump and delivery lines have now been rator is heating up, continue preparations. -
Page 26: Checking The Reagents Pumps
Checking the Reagents Pumps The steam distiller DigiPREP 500 dispenses reagents into the sample vessel and into the titration vessel auto- matically: z Dilution water into the sample vessel z Sodium hydroxide into the sample vessel z Boric acid into the titration vessel. -
Page 27: Checking The Boric Acid Pump
X Pour distilled water into the vessel and rinse the lines with it. To rinse thoroughly, use at least 300 ml water; empty the sample vessel when it is full, re-insert it and continue rinsing. Knurled screws Upper maintenance door DigiPREP Distillation 500 SCP SCIENCE Version 1.0... -
Page 28: Cleaning The Distillation Head
X Secure the glassware with one hand against toppling, and unscrew the other mounting bracket ... then press the black button down and push the rear-side hose out DigiPREP Distillation 500 SCP SCIENCE Version 1.0... - Page 29 Now you can clean the distillation head and the con- denser separately. To assemble the glassware again, reverse the steps described here..then press the black button down and push the rear-side hose out 3 - 4 cm DigiPREP Distillation 500 SCP SCIENCE Version 1.0...
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Page 30: Changing The Viton Stopper
A Maintenance Set including several other spare parts is available. Ask SCP SCIENCE customer service for more information. Changing the Viton Stopper If the Viton stopper gets fissured or otherwise faulty, it must be replaced. -
Page 31: Changing The Steam Tubing
The squeeze valves act by squeezing one hose and releasing the other one. In home position, the frontside hose is free. If the black button is pressed, the frontside hose is squeezed and the rearside one becomes free. DigiPREP Distillation 500 SCP SCIENCE Version 1.0... - Page 32 X Pressing the button of the squeeze valve, push a short piece of Novoprene hose into the rearside slot. X Fix the rear panel again, leading the PTFE outlet tube through the boring. DigiPREP Distillation 500 SCP SCIENCE Version 1.0...
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Page 33: Emptying The Steam Generator
In this case it will help to install an active-charcoal filter downstream the ion exchange cartridge. Ask SCP SCIENCE for such a filter. For refilling the steam generator, proceed as described on page 10. -
Page 34: Adapting The Digiprep 500 To Your Personal Requirements
After changing the Titration unit entry, switch the These languages are available: DigiPREP 500 off and on again. The new entry will not D = German take effect before the DigiPREP 500 is switched on GB = English again. -
Page 35: Troubleshooting
MANUAL ENTRY, but the protective door is open; or you have opened the pro- tective door during a distillation. Close the protective door, and press the control knob. Distillation will continue. DigiPREP Distillation 500 SCP SCIENCE Version 1.0... - Page 36 Using the MAIN SWITCH (3.15), turn the steam distilla- Press the operating control knob to acknowledge the tion system off. error message. The DigiPREP 500 display will return to the main menu. In the event that you are not using the canister set: Select Options and then Manual Entry.
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Page 37: Overwiew: Menus And Displays Of The Digiprep 500
Menus and displays DigiPREP Distillation 500 SCP SCIENCE Version 1.0... - Page 38 SERVICE DEPARTMENT Within North America Tel: 1-800-361-6820 (Toll free) Fax: 1-800-253-5549 (Toll free) Outside North America Tel: +1 (514) 457-0701 Fax: +1 (514) 457-4499 France Tel: +33 (0) 1 69 18 71 17 Fax: +33 (0) 1 60 92 05 67 Germany Tel: +49 (0) 8342-89560-61 Fax: +49 (0) 8342-89560-69...
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