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Ohaus Discovery Balances
Instruction Manual

80104130.indd 1

2011/11/25 9:07:56

Summary of Contents for Discovery Balances

Page 1: ...Ohaus Discovery Balances Instruction Manual...

Page 2: ......

Page 3: ...c compatibility For non automatic weighing instruments used in an Article 1 2 a application additional metrological marking according to Annex IV of Council directive 90 384 EEC must be attached to th...

Page 4: ...lectrical and Electronic Equipment WEEE this device may not be disposed of in domestic waste This also applies to countries outside the EU per their specific requirements Please dispose of this produc...

Page 5: ...3 Using the Button Control Functions EN 10 3 3 1 Setting the Balance to Zero EN 10 3 3 2 Taring EN 10 3 3 3 Changing Units of Measure EN 10 3 3 4 Changing Application Modes EN 10 3 3 5 Printing Data...

Page 6: ...3 7 11 Reset EN 38 3 7 12 Lockout EN 39 3 7 13 End EN 39 3 8 Sealing Access to the Balance Settings EN 40 3 9 Printing Data EN 40 4 MAINTENANCE EN 41 4 1 Calibration EN 41 4 2 Cleaning EN 41 4 3 Trou...

Page 7: ...overy balances include many application modes Weighing Parts Counting Animal Weighing Check Weighing Percent Weighing Totalization Density G N T Pipette Calibration High Point Statistics Other Standar...

Page 8: ...own in the illustration 2 Place the In Use cover on the front panel of the balance 2 3 Selecting the Location Locate the balance on a firm steady surface Avoid locations with excessive air currents vi...

Page 9: ...OFF is displayed then release the button 2 6 Initial Calibration When the balance is first installed and when it is moved to another location it must be calibrated to ensure accurate weighing results...

Page 10: ...EN 6 Ohaus Discovery...

Page 11: ...E 3 1 DISCOVERY CONTROL FUNCTIONS 1 Level Bubble 2 Pan 3 Wind Ring 4 Tare Buttons 5 On Zero Off Button 6 Print Unit Button 7 Function Mode Button 8 Calibrate Menu Button 9 Weigh Below Cover and Screw...

Page 12: ...ary 7 Segment Display 2 Brackets 3 Units of Measurement 4 Memory Indicator 5 Pieces Indicator 6 Secondary 14 Segment Display 7 Gross Indicator 8 Brutto Indicator 9 Tare Indicator 10 Preset Tare Indica...

Page 13: ...s depen dent on the applica tion mode Cal Initiates calibration function Secondary Function Off Turns balance off Unit Change weighing unit Press and hold will scroll through units Mode Change applica...

Page 14: ...the container is removed from the pan Preset Tare A preset tare may be entered by using a computer connected to the COM 1 Connector To enter a Preset Tare send the xT command to the bal ance where x...

Page 15: ...at 4LF Form Feed List End Print UNIT 3 7 6 mg g ct oz ozt GN dwt m t HK t SG t TW Custom End Unit MODE 3 7 5 Weighing Parts Counting Percent Weighing Check Weighing Animal Weighing GNT Totalize High P...

Page 16: ...e secondary display 14 Segment Calibration blinking Note When the secondary display is blinking press Yes to accept Press No or Back or view another selection SELECT THE SUB MENU Press the No button t...

Page 17: ...eighed on the pan to display the weight The example displays a 200 gram weight in grams unit of measure Establish an Average Piece Weight APW Each time a new type of part is counted the nominal weight...

Page 18: ...hed reference weight Refer to Section 3 7 5 to enable Percent Weighing Press and hold Mode button until MODE PERCENT is displayed To Establish a Reference Weight PERCENT is displayed with CLEAR REF bl...

Page 19: ...mented by pressing the No button or decremented by pressing the Back button When the desired value is displayed press the Yes button to accept the value and proceed to the next digit When all digits...

Page 20: ...5 sec Medium 10 sec High 15 sec The secondary display shows BUSY This Animal Filter setting is configured in the Mode menu when Animal Weighing is turned On Automatic Mode Place subject on the pan the...

Page 21: ...The secondary display indicates the total accumulated weight Add the next item and press the Function button The display shown indicates a cumulative weight of 70 grams Remove item from pan and repeat...

Page 22: ...e density table for water at temperatures between 10 C and 30 C is included in the balance software Review this entire section before attempting density measurements When making density measurements t...

Page 23: ...A A B Q0 The balance allows direct determination of the buoyancy P P A B and consequently the above formula can be simplified Q A P Q0 Q Density of the solid A Weight of the solid in air B Weight of...

Page 24: ...mperature has a greater effect with liquids and causes density changes in the order of magnitude 0 I to 1 per C This effect is already apparent in the third decimal place of the result To obtain accur...

Page 25: ...es the density of the liquid and is displayed in grams cc See illustrations below for placement of the sinker When the sinker is immersed in the liquid it must not come into contact with the bottom of...

Page 26: ...MODE DENSITY appears DENSITY CHG PARAM is displayed Press the Yes button TEMP 20 00 C blinking is displayed Measure the temperature of the water with a precision thermometer and enter the temperature...

Page 27: ...displays the result in grams per centimeter g cc D Density of Solid using Auxilary Liquid The following menu items should be turned on SOLID AUXILIARY Press and hold Function button until MODE DENSITY...

Page 28: ...dary display Press the Yes button TEMP 20 00 C is displayed Enter the water temperature from a precision thermometer then press the Yes button WEIGHT 00 00000 is displayed Enter the weight of the poro...

Page 29: ...on SAMPLE SIZE 3 is displayed Pressing the No button increments the sample size and pressing the Back button decrements the sample size When the desired number of samples has been set press the Yes bu...

Page 30: ...ber of samples set in the Menu Using the No Back and Yes buttons enter the desired sample size in this case 5 was used then press the Yes button UNDER SAMPLE 1 is displayed Place sample 1 on the pan e...

Page 31: ...ill show the weight of the subject with a countdown period then the weight of the subject with HOLD is dis played Press the Function button the weight of the subject is displayed with CLEAR PAN Remove...

Page 32: ...the following parameters can be set liquid barometric pressure etc Press and hold Mode button until MODE PIPETTE is shown Press the Yes button MODE SET MANUAL is displayed You can select either AUTO o...

Page 33: ...o these practices will result in incorrect results 0 0000 g SAMPLE 1 blinking is displayed Place the receptacle container on the pan and press the Tare button Place the first sample in the container S...

Page 34: ...Hook Installed Weigh Below Hook Table Support Weigh Below Protective Cover 3 7 Balance Settings 3 7 1 Menu Setup Pressing the Menu button allows access to the menus shown below Each menu contains addi...

Page 35: ...etween 25 and 100 of the balance s capacity Cal Test Calibration test allows the stored calibration data to be tested against the current mass being used for the test Cal Adj AutoCal allows adjustment...

Page 36: ...e begins to calibrate Press Exit to abort calibration When internal calibration is finished the balance returns to the cur rently selected mode Automatic internal calibration is a feature included wit...

Page 37: ...il MENU CALIBRATE is displayed Press Yes to enter calibration Press No until CAL TEST is displayed Press Yes and follow the screen instructions Place the specified weight on the pan After a short peri...

Page 38: ...the internal calibration and verification procedures To perform a calibration adjustment press the Cal button and release it when MENU CALIBRATE is displayed Press Yes to enter the Calibration sub me...

Page 39: ...enu Press the No button to return to the LEGAL TRADE menu item 3 7 4 Readout Auto Zero Allows setting the balance auto zero level setting Off 5 1 2 or 5 divisions Balance maintains zero until threshol...

Page 40: ...nce to the Unit sub menu Press No to return to Weigh 3 7 6 Unit The Unit sub menu is used to turn measuring units On or Off Defining Custom Unit Set Custom to ON in the Unit menu to enable and define...

Page 41: ...is played value when stability is achieved An additional setting must be made to determine if only stable non zero values will be printed load setting or if stable zero and non zero values will be pri...

Page 42: ...ID On Off Project ID On Off Difference On Off Name On Off End GLP Prt End GLP Print Press the Yes button to advance to the reset sub menu Press the No button to return to Time 3 7 11 Reset RESET Setu...

Page 43: ...tion Menu Setup Set On to lock the Setup Menu Readout Set On to lock the Readout Menu Mode Set On to lock the Mode Menu Unit Set On to lock the Unit Menu Print Set On to lock the Print Menu RS232 Set...

Page 44: ...d hold the recessed Lock Switch until a weight is displayed Sealing the Balance Lock Switch Access Location Rear of Balance 3 9 Printing Data Printing data to an external computer or printer requires...

Page 45: ...enu lock off LFT set to on Turn LFT off Unstable weight reading Eliminate vibration and drafts Cannot change Menu settings Submenu locked Unlock sub menu LFT set to on Turn LFT off Error 7 0 Unstable...

Page 46: ...ent For Service assistance or technical support in the United States call toll free 1 800 672 7722 between 8 00 AM and 5 00 PM EST An Ohaus product service spe cialist will be available to provide ass...

Page 47: ...power supply Storage temperature range 10 C to 70 C Voltage fluctuations 15 10 Power AC adapter To national standard as per list in Section 4 5 Balance power input 12 VAC 50 60Hz 1 0A Materials Base H...

Page 48: ...Integral Weigh Below Hook selectable Enviromental Settings Leveling indicator Tare Range To Capacity by Subtraction Stabilization Time s 4 8 12 5 Sensitivity Drift 10 30 C 2ppm C Operating Temperature...

Page 49: ...is equipped with an RS232 interface Connecting the balance to a computer enables you to operate the balance from the com puter as well as receive data such as displayed weight 5 4 1 Commands Commands...

Page 50: ...eighing Under Limit PTIME Print current time PDATE Print current date xAW Set AW Mode x A Automatic x S Semi Automatic x M Manual Command Function 5 4 1 Commands Cont 5 4 2 Connections RS232 Interface...

Page 51: ...been damaged by accident or misuse exposed to radioactive or corrosive materials has foreign material penetrating to the inside of the product or as a result of service or modification by other than O...

Page 52: ...ion 7 Campus Drive Suite 310 Parsippany NJ 07054 USA Tel 973 377 9000 Fax 973 944 7177 With offices worldwide www ohaus com P N 80104130 C 2011 Ohaus Corporation all rights reserved Printed in Switzer...

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