Parr Instrument 6772, Operating Instructions Manual

Page 1: ...Operating Instruction Manual 591M 6772 Calorimetric Thermometer Operating Instruction Manual For models produced after November 2010...

Page 2: ...4 1 Control Keys 4 1 Programming 4 2 Default Settings 4 2 Performing an analysis 4 2 Manual Test Sequencing 4 3 Automatic Test Sequencing 4 5 MENU DESCRIPTIONS 5 1 Main Menu 5 1 Calorimeter Operation...

Page 3: ...MANAGEMENT 8 1 MAINTENANCE 9 1 TROUBLESHOOTING 10 1 Error List 10 1 TECHNICAL SERVICE 11 1 Contact Us 11 1 Return for Repair 11 1 PARTS LIST 12 1 Principal Assemblies in 6772 Calorimetric Thermometer...

Page 4: ...itional instructions concerning the installation and operation of various component parts and peripheral items used with the 6772 Calorimetric Thermometer should be made a part of these instructions A...

Page 5: ...duct literature for more information Protective Earth PE terminal Provided for connection of the Protective Earth green or green yellow supply system conductor Safety Information To avoid electrical s...

Page 6: ...m relative humidity of 80 non condensing Installation Category II overvoltage in accordance with IEC 664 Pollution degree 2 in accordance with IEC 664 Altitude Limit 2 000 meters Storage 25 C and 65 C...

Page 7: ...arate earth ground wire to the controller chassis Turn the power switch to the on position After a short time the Parr logo will appear on the LCD display followed by a running description of the inst...

Page 8: ...ignition unit for automatically firing the bomb in the 1341 calorimeter The ignition leads to the thermometer need to be connected to the red and black terminals marked Ignition on the back of the the...

Page 9: ...ntrols Menu The default parameters for the 6772 Calorimetric Thermometer are set up for use with the Parr 1758 Printer Balance Connections The 6772 Calorimetric Thermometer supports input from the mul...

Page 10: ...ld must contain g_ for the Calorimetric Thermometer to accept a mass The balance should be configured to transmit data upon receipt of the following command string ESC P CR LF Note The automatic data...

Page 11: ...lorimetric Thermometer The network DHCP Dynamic Host Configuration Protocol server provides this address shortly after the Calorimetric Thermometer is turned on The address can be seen on the Software...

Page 12: ...screenshot illustrates the contents of the Calorimetric Thermometer data directory as presented by a web browser You can drag and drop or copy and paste test data files with the csv suffix from the w...

Page 13: ...ter offers a web server service Test reports can be viewed with a web browser using a URL of the following form http 192 168 0 125 Where 192 168 0 125 is the IP address of the Calorimetric Thermometer...

Page 14: ...Calorimetric Thermometer Instruction Manual 2 8 Clicking on the Config tab displays some of the configuration options available in the 6772 Changes made on this page will change the settings in the 6...

Page 15: ...imetric Thermometer Instruction Manual 2 9 Clicking on the Run Data tab displays a list of reports currently in the instrument memory Clicking on any given report will provide a display similar to the...

Page 16: ...6772 Calorimetric Thermometer Instruction Manual 2 10 Clicking on System Info will bring up the Software and Hardware Info screen from the 6772...

Page 17: ...1 Clicking on the LCD Snapshot Page will bring up an image of the current display on the 6772 Note that this is a picture only To operate the 6772 from a PC a Remote Feature Key must be installed Plea...

Page 18: ...lorimetric Thermometer Instruction Manual 2 12 Clicking on Documentation will provide links to the manual and other helpful documents Note a connection to the Internet is required to access the docume...

Page 19: ...e proper energy equivalent for each set must be used when calculating the heat of combustion 4 Fill the calorimeter bucket by first taring the dry bucket on a solution or trip balance then add 2000 0...

Page 20: ...lift the head out of the cylinder and examine the interior of the bomb for soot or other evidence of incomplete combustion If such evidence is found the test will have to be discarded Otherwise wash...

Page 21: ...ing the key on the screen brings up a sub menu with a key pad or similar screen for entering the required value Some keys lead to multiple choices Always clear the current value before entering a new...

Page 22: ...nd on the corresponding parameter group help pages These default settings remain in effect until changed by the user Should the user ever wish to return to the factory default settings go to the Progr...

Page 23: ...ied in the manner used at the conclusion of a test This serves to wet all sealing parts as well as leaving the bomb with the same amount of residual water which will exist in all subsequent testing Th...

Page 24: ...rculating the water that surrounds the combustion bomb Turn on the data logger accessed via the Diagnostics page in order to periodically record the bucket or calorimeter temperature This begins the c...

Page 25: ...r that surrounds the combustion bomb The thermometer will prompt for sample ID number a bomb ID number 1 4 and the mass of the sample in grams This begins the calorimetric pre period After the thermom...

Page 26: ...wire card can be used to obtain this value directly Titrate the bomb washings with a standard sodium carbonate solution using methyl orange red or purple indicator A 0 0709N sodium carbonate solution...

Page 27: ...Key Press the Start key to begin any Determination or Standardization run Report Press the Report key to begin the reporting process Help Press the Help key on any screen to display the explanation t...

Page 28: ...emperature Plot Setup Menu which has many keys that permit the user to fully customize both the x time axis and the scaling of the y axis Temperature Plot Setup Menu Enable Bucket Toggles ON OFF Bucke...

Page 29: ...s Menu Method of Operation Offers an operating mode of either combustion or solution In the combustion calorimetry mode the instrument menu structure is streamlined in order to remove items that are o...

Page 30: ...seconds entered Pressing any key will automatically turn the back lighting ON A setting of 0 will keep the backlight ON at all times LCD Backlight Intensity This key accesses a sub menu with a slide c...

Page 31: ...the spike Program Information and Control Menu Date Time Settings Access the sub menu on which Date Time are set Date Displays current date and accesses the sub menu on which the date is set YY MM DD...

Page 32: ...program in the instrument be corrupted for any reason Save User Default Settings Used to record the setup to the memory once the user has configured the instrument to their operating requirements Note...

Page 33: ...ding with testing A setting of zero disables this check Heat of Combustion of Standard Displays the heat of combustion in calories per gram for the material used to standardize the Calorimetric Thermo...

Page 34: ...one bomb and bucket is installed in the calorimeter at a time a spare may be used for servicing and for more rapid turn around The respective EE values for each bomb can be stored in memory Note For r...

Page 35: ...calibration factor for a given calorimeter ID or bomb head If an EE value is manually entered it is necessary to turn the Protect EE Value ON in order to prevent this value from being overwritten by...

Page 36: ...t Standardization Correction Fixed Fuse Correction Press this key on the LEFT side to toggle ON or OFF the fixed fuse correction for standardization runs Press it on the RIGHT side to access the Fixed...

Page 37: ...tions for the Acid Correction Fixed HNO3 Calculated HNO3 Entered Total Entered HNO3 Fixed Total These options are discussed further in Section 6 Calculations Fixed Sulfur Correction Press this key on...

Page 38: ...If another system is to be used this must be turned OFF and the sulfur multiplier set accordingly Sulfur Multiplier Values entered by the user to be used for the sulfur correction are multiplied by th...

Page 39: ...e controller will prompt for a Bomb ID 1 4 when a test is started Weight Entry Mode This key steps through the options for entering sample weights either manually through the touch screen network or t...

Page 40: ...e Automatic Sample ID is set to ON Press this key to access a sub menu for entering a numeric increment Auto Sample ID Increment Establishes the increment between sample numbers used when the Automati...

Page 41: ...to set the column width of the printer to either 40 or 80 columns Select 40 when the 1758 Printer is used Automatic Reporting Toggles the automatic reporting ON OFF When ON preliminary reports will be...

Page 42: ...d Balance Port Accesses sub menu Balance Port Communications Balance Type Toggles through the available balance templates Balance Port Device This key displays a screen which allows the user to specif...

Page 43: ...a display buffer This function can be used to determine the data format from an unknown balance type The display buffer is 40 characters in length The balance must be forced to issue at least 40 char...

Page 44: ...ribute will sort the file list by that attribute Successive touches will toggle between an ascending and descending sort Select This key is used to begin the file selection process The up down and pag...

Page 45: ...ture drift corrections Blackout B Parameters These parameters establish suitable blackout criteria for the post period of the testing sequence Test Ignition Circuit Activates the ignition circuit A vo...

Page 46: ...transferred to another computer for post processing graphing etc The log file can be transferred to another computer via FTP Delete Data Log File When this key is pressed the contents of the data log...

Page 47: ...ess this key to display its I O Diagnostics sub menu which allows the user to manipulate digital outputs for troubleshooting Not all functions are available with the 6772 The I O Diagnostics screen is...

Page 48: ...particularly for liquid samples The 6772 Calorimetric Thermometer can automatically compensate for the addition of spiking materials to these samples The calculations are modified in these cases as fo...

Page 49: ...turned OFF on the Thermochemical Corrections Menu then the user must manually enter the values at the prompt Final reports for each test can be obtained whenever the operator is prepared to enter any...

Page 50: ...user entered acid value to arrive at the number of milliequivalents of acid This value is normally the concentration normality of the base in equivalents per liter N Percent sulfur is the concentratio...

Page 51: ...969 rounds to 10 calories When the Acid Correction is set to Fixed HNO3 the value is considered a final value and the operator is not prompted for an acid value when reporting the results Entered HNO3...

Page 52: ...rogen the quantity of nitric acid formed during the combustion process is a function of the volume of the bomb the oxygen filling pressure and the quantity of energy released For the calculated nitric...

Page 53: ...7 Kcal must be applied for each gram of sulfur converted to sulfuric from sulfur dioxide This is based upon the heat of formation of sulfuric acid from sulfur dioxide under bomb conditions which is 72...

Page 54: ...on fuel technology Conversion to Net Heat of Combustion The calorific value obtained in a bomb calorimeter test represents the gross heat of combustion for the sample This is the heat produced when t...

Page 55: ...he stored results specified with the following two keys Run Data Type This key enables the operator to display only determination runs only standardization runs only solution runs or all runs Run Data...

Page 56: ...nvert preliminary reports to final reports Final reports can only be edited if Edit Final Reports on the Reporting Controls Menu is turned on To have the Net Heat of Combustion print as part of prelim...

Page 57: ...the DELETE key The controller will then ask the user to confirm that this file is to be deleted A series of files can be deleted by selecting the first file in the series and then the last file in th...

Page 58: ...ce fuses with same type and rating of fuse Main line protective fuses Rated Fast Act 15 Amp 250VAC Parr number 139E23 Fuse F1 Mains stirrer output fuse Rated Fast Act 1 Amp 250VAC time lag 5 x 20mm Pa...

Page 59: ...d wires have broken internal strands A Preperiod Timeout Has Occurred The calorimeter has failed to establish an acceptable initial temperature prior to firing the bomb within the time allowed Possibl...

Page 60: ...calorimeter controller keeps track of how many times the bomb has been fired When this count exceeds a preset limit usually 500 this message will be issued each time the bomb is used for a test Perfor...

Page 61: ...ENU key and then the HELP key When calling by phone it is helpful if the person is close to the instrument in order to implement any changes recommended by the Technical Service Department Return for...

Page 62: ...rd A2140E I O Board A2166E Cable I O to CPU USB A2167E Cable USB Peripheral 2147E Touchscreen LCD with Cable 1168E2 Thermistor Probe A719E Cordset 115V 1200EEE Corset 220V EU Plug 1889E Film Display P...

Page 63: ...6772 Calorimetric Thermometer Instruction Manual 13 1 DRAWINGS 6772 Schematic...

Page 64: ...6772 Calorimetric Thermometer Instruction Manual 13 2 Internal Parts View of 6772 Calorimetric Thermometer...

Page 65: ...6772 Calorimetric Thermometer Instruction Manual 13 3 Internal Parts View of 6772 Calorimetric Thermometer Note 1262DD Capacitor Bracket and 897E Capacitor not shown for clarity...

Page 66: ...meter Instruction Manual 13 4 Internal Parts View of 6772 Calorimetric Thermometer Back Panel of 6772 Calorimetric Thermometer 493E Plug with 3280HC Retainer installed to insulate from live circuits w...

Page 67: ...15 Acid Correction Fixed HNO3 10 0 Fixed Sulfur Correction ON 0 0 Determination Fixed Fuse Correction ON 15 Acid Correction Fixed HNO3 10 0 Fixed Sulfur Correction OFF 0 0 Calculate Net Heat of Combus...

Page 68: ...on 4 Transfer Time Out 10 Diagnostics Calorimetry Parameters Tolerance L Parameters Preperiod Tolerance L1 0 002 Mis Fire Tolerance L2 0 05 Dynamic Postperiod Tolerance L3 0 002 Eqlbrm Postperiod Tole...

Page 69: ...Setting Value Acid Correction STD Entered HNO3 13 Thermochemical Corrections Fixed Sulfur STD Off 7 Acid Correction DET Entered HNO3 13 Fixed Sulfur DET Off 7 Acid Multiplier 0 154 Sulfur Value is Pe...

Page 70: ...Revision 12 10 10 PARR INSTRUMENT COMPANY 211 Fifty Third Street Moline Illinois 61265 USA 309 762 7716 800 872 7720 Fax 309 762 9453 http www parrinst com parr parrinst com...