Parr-instrument 6755 Manual do Utilizador Página 1

593M6755Solution CalorimeterOperating Instruction ManualFor models produced after November 2010

3OperationParr Instrument Company8CHAPTER 3OperationMenu SystemAll confi gurations and operations are handled by a menu-driven system operated from the

Operation67553www.parrinst.com9Note: Changes to the program are made by use of the menu structure. Any of these items can be individually entered at

3OperationParr Instrument Company10Sample SizeThe rotating sample cell will hold up to 20 ml of liquid sample or a solid sample weighing up to one gra

Operation67553www.parrinst.com11Emptying the CalorimeterStop the calorimeter motor, raise the cover carefully and wipe any excess liquid from the part

4Menu DescriptionsParr Instrument Company12CHAPTER 4Menu DescriptionsNote: Keys which make global changes to the setup of the calorimeter contain a Y

Menu Descriptions67554www.parrinst.com13Temperature Plot Setup MenuEnable Bucket: Toggles ON/OFF.Bucket Autoscale: Toggles ON/OFF.Enable Jacket: To

4Menu DescriptionsParr Instrument Company14Operating Controls MenuMethod of Operation: Offers an operating mode of either combustion or solution. In

Menu Descriptions67554www.parrinst.com15Date & Time SettingsDate: Displays current date and accesses the sub-menu on which the date is set (YY/MM

4Menu DescriptionsParr Instrument Company16Data Entry Controls Menu Auto Sample ID Controls: Accesses sub-menu for controlling the automatic assignme

Menu Descriptions67554www.parrinst.com17Communication Controls MenuAccesses sub-menus which set the communications protocols for the printer and balan

Table of ContentsPreface Scope — 1Related Instructions — 1Customer Service — 1Explanation of Symbols — 2Safety Information — 3Intended Usage — 3Genera

4Menu DescriptionsParr Instrument Company18Balance Port Settings » Number of Data Bits. Standard options for data bits. Toggles between 7 and 8. » Par

Menu Descriptions67554www.parrinst.com19File Management MenuFile Management MenuRun Data File Manager: This key activates the File Manager. The File

4Menu DescriptionsParr Instrument Company20Diagnostics MenuProvides the user with the means to test many of the components and subsystems of the Calor

Menu Descriptions67554www.parrinst.com21Data Log Format: Toggles between Text Format and Data Format (csv). Data is either logged with the supportin

5CalculationsParr Instrument Company22CHAPTER 5CalculationsStandardizationA sample of tris (hydroxymethyl) aminomethane, commonly called TRIS, is furn

Calculations67555www.parrinst.com23Calculating the Energy ChangeThe energy change, Q, measured in this calorimeter is calculated by multiplying the ne

5CalculationsParr Instrument Company24Figure 3Exothermic ReactionExample - Exothermic ReactionProblem: Determine the change in enthalpy for solid sodi

Calculations67555www.parrinst.com25Figure 4Endothermic ReactionExample - Endothermic ReactionProblem: Determine the heat of solution of solid potassiu

6ReportsParr Instrument Company26CHAPTER 6Reports The 6772 Calorimetric Thermom-eter can transmit its stored test data in either of two ways. The Au

Memory Management67557www.parrinst.com27CHAPTER 7Memory Management The 6772 Calorimetric Thermometer will hold data for 1000 tests in its memory. Th

Preface6755www.parrinst.com1PREFACE ScopeThis manual contains instructions for installing and operating the Parr 6755 Solution Calorimeter. For ease

8Accessory ConnectionsParr Instrument Company28CHAPTER 8Accessory ConnectionsCommunication ConnectionThere is a USB connection on the rear of the 6772

Accessory Connections67558www.parrinst.com29Bar Code PortThe use of barcodes in the laboratory has become a highly accurate, rapid and inexpensive way

8Accessory ConnectionsParr Instrument Company30The following screenshot illustrates the contents of the Calorimetric Thermometer data directory as pre

Accessory Connections67558www.parrinst.com31The Calorimetric Thermometer offers a web server service. Test reports can be viewed with a web browser us

8Accessory ConnectionsParr Instrument Company32Clicking on the Confi g tab displays some of the confi guration options available in the 6772. Changes m

Accessory Connections67558www.parrinst.com33Clicking on the Run Data tab displays a list of reports currently in the instrument memory. Clicking on a

8Accessory ConnectionsParr Instrument Company34 Clicking on System Info will bring up the Software and Hardware Info screen from the 6772.

Accessory Connections67558www.parrinst.com35Clicking on the LCD Snapshot Page will bring up an image of the current display on the 6772. Note that th

8Accessory ConnectionsParr Instrument Company36Clicking on Documentation will provide links to the manual and other helpful documents. Note: a conne

Accessory Connections67558www.parrinst.com37Remote Operation (Optional)The 6772 can be operated remotely via PC over a network with the purchase of th

PrefaceParr Instrument Company2Explanation of SymbolsI On PositionO Off Position~ Alternating CurrentThis CAUTION symbol may be present on the Product

9MaintenanceParr Instrument Company38CHAPTER 9MaintenanceExamine the rotating cell periodically for leaks by closing the cell and submerging the empty

Troubleshooting675510www.parrinst.com39CHAPTER 10TroubleshootingError ListThe calorimeter will run a number of diagnostic checks upon itself and will

11Technical ServiceParr Instrument Company40CHAPTER 11Technical ServiceContact UsTechnical Service DepartmentShould you need assistance in the operati

Parts List675512www.parrinst.com41CHAPTER 12Parts ListsParts for the 6755 Solution CalorimeterPart Number DescriptionA338CEB Stirrer Drive Motor Assem

13DrawingsParr Instrument Company42CHAPTER 13DrawingsExternal Parts View of 6755 Solution Calorimeter

Drawings675513www.parrinst.com43Internal Parts View of 6755 Solution Calorimeter

13DrawingsParr Instrument Company44USB PORTJ8J10P6P8J1A2165ETRANSITIONA1821EJ19J2A2164E BACKLIGHT CONTROL CABLE ASSYBOARD TOPIN #1SPEAKERJ5J6PIN #1LCD

Drawings675513www.parrinst.com45Internal Parts View of 6772 Calorimetric ThermometerASSY2X TN1140HL2X 379E2BRACKET, CAPACITOR911E FILTERINTERFERENCE,

13DrawingsParr Instrument Company46Internal Parts View of 6772 Calorimetric ThermometerNote: 1262DD Capacitor Bracket and 897E Capacitor not shown for

Drawings675513www.parrinst.com47(SEE NOTE)DATA LABEL95FBACK VIEW2X SA1332RP066-32 X 3/8 RHMS PHILLIPS6-32 X 3/8 RHMS PHILLIPSBACK PANEL (REF)327C2SA13

Preface6755www.parrinst.com3Safety InformationTo avoid electrical shock, always:1. Use a properly grounded electrical outlet of correct voltage and c

14Default SettingsParr Instrument Company48Calorimeter OperationStirrer OFFOperating ControlsMethod of Operation SolutionLCD Backlight Timeout(s) 120

Revision 07/08/13

1InstallationParr Instrument Company4CHAPTER 1InstallationThe 6755 Solution Calorimeter requires approximately 4 square feet of work space on a sturdy

Installation67551www.parrinst.com5Figure 1NOTE: CONNECT UNTERMINATED 493E WITH 328HC BRACKET TO THE MOTOR OUTPUT RECEPTACLE SECURING IT USING THE SA1

2Quick StartParr Instrument Company6CHAPTER 2Quick Start Before starting to use the calorimeter for the fi rst time, it is recommended that the user p

www.parrinst.com7Notes 6755