OHAUS CKW-55 Instruction Manual Download Page 2

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Summary of Contents for CKW-55

Page 1: ...CKW 55 Indicator and CKW Series Scale Instruction Manual T ...

Page 2: ......

Page 3: ...ed Model Type CKW 55 CKW3R55 CKW6R55 CKW15L55 CKW30L55 EC Marking EC Directive Applicable Standards EU 73 23 EEC Low Voltage 89 336 EEC Electromagnetic compatibility EN45501 1992 1 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 the instrument 90 384 EEC Non Automat...

Page 4: ...rence to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is conne...

Page 5: ...Turning Indicator On Off EN 12 3 4 1 Turning On EN 12 3 4 2 Turning Off EN 12 3 4 3 Stabilization EN 12 3 5 Application Modes EN 13 3 5 1 Weighing EN 13 Zero Operation EN 13 Basic Weighing EN 13 Manual Tare EN 13 Preset Tare EN 13 Auto Tare EN 14 Auto Tare Accept EN 14 Displaying Gross Net Tare EN 14 Changing Units of Measure EN 14 Printing Data EN 14 Accumulation Operation EN 15 3 5 2 Checkweighi...

Page 6: ...EN 33 3 6 6 I O Menu EN 35 3 6 7 GMP Data Menu EN 36 3 6 8 Lockout Menu EN 37 3 6 9 Hardware Lockswitch EN 38 4 CARE AND MAINTENANCE EN 39 4 1 Calibration EN 39 4 1 1 Span Calibration EN 39 4 1 2 Linearity Calibration EN 40 4 1 3 Calibration Test EN 41 4 1 4 Geographical Adjustment Factor EN 42 4 1 5 GMP Calibration Printout EN 44 4 2 Cleaning EN 45 4 3 Troubleshooting EN 45 4 4 Service informatio...

Page 7: ...onnections EN 53 A 2 Jumper Positions EN 54 A 3 Interface Connections EN 54 A 3 1 Connecting RS232 Interface Cable EN 54 A 3 2 Connecting External Input Device Not supplied EN 54 APPENDIX B LEGAL FOR TRADE EN 55 B 1 Setup Procedure EN 55 B 2 Locking Metrological Parameters EN 55 B 3 Verification EN 56 B 4 Sealing EN 56 APPENDIX C CKW INDICATOR MOUNTING EN 59 APPENDIX D SERIAL COMMUNICATION EN 61 D...

Page 8: ...itle Page 3 1 Indicator EN 8 3 2 Scale EN 8 3 3 Control Panel EN 9 4 1 RTC Battery Removal Installation EN 46 5 1 CKW Series Scale EN 48 5 2 CKW 55 Indicator Table Mount Position EN 49 5 3 CKW 55 Indicator Wall Mount Position EN 49 A 1 Cable Entry Identification EN 53 A 2 Printed Circuit Board Connections EN 53 A 3 Open and Shorted Jumpers EN 54 B 1 Inside the Indicator Cover EN 55 B 2 Internal Wi...

Page 9: ... way table wall mount bracket included Indicator only configuration Supports up to four 350 ohm analog load cells High contrast 0 8 20 mm high 6 digit 7 segment LED weight display with adjustable brightness Configurable 3 color 24 segment LED over accept under checkweigh indication with audible signal Numeric keypad and 7 function membrane switch operation with optional function lockouts One butto...

Page 10: ...water or other liquids Do not drop heavy loads on the platform Service should only be performed by authorized personnel This equipment is supplied with a grounded power cable Use only with a compatible grounded power outlet 1 3 Safety Precautions For safe and dependable operation of this equipment please comply with the following safety precautions Before making connections to the Relay terminals ...

Page 11: ...the AC power cord into a properly grounded power outlet The CKW Indicator utilizes a universal switching power supply that operates from 100 to 240 VAC 50 to 60 Hz 2 3 2 Battery Power Optional equipment The scale can be operated on the internal rechargeable battery when AC power is not available The scale will automatically switch to battery operation if there is a power failure or the power cord ...

Page 12: ...ED SERVICE PERSONNEL RISK OF EXPLOSION CAN OCCUR IF REPLACED WITH THE WRONG TYPE OR CONNECTED IMPROPERLY Dispose of the battery according to local laws and regulations T Figure 3 1 Indicator Figure 3 2 Scale 1 2 3 4 5 4 1 6 7 8 9 10 Item Description 1 Adjusting Knob 2 I O Ports 3 Control Panel 4 Indicator Case 5 AC Power Input 6 Table Wall Bracket 7 Column 8 Level Indicator 9 Weighing Platform 10 ...

Page 13: ...3 3 Control Panel TABLE 3 1 PARTS AND CONTROLS Cont Item Description 11 Weight Display 12 Checkweigh Bar Graph 13 Capacity Label Window 14 Numeric Keypad 15 C clear button 16 22 Control Buttons See Table 3 2 23 Weighing Units Brutto Gross Net Tare Preset Tare Indicators 24 Stable Indicator 25 Center of Zero Indicator ...

Page 14: ...Menu Enters menu mode Back Moves backwards through upper and medium level menus Backs out of lower level menus and settings TARE Performs tare operation Saves pre set tare after numeric entry Exits the present mode and returns directly to the weighing mode LIBRARY With Library mode on initiates library view entry edit sequence Save With Library mode on saves library data and loads to active weighi...

Page 15: ...3 Reset No Yes Checkweigh Off On Library Off On Set Point Input Range Variance Beeper Signal Off Accept Under Over Under Over Display Signal Off Accept Under Over Under Over Graph Increment Scaled Auto User Graph Display Segment Bar Block End I O Sec 3 6 6 Reset No Yes External Input Off Tare Zero Print Units GNT Accumula tion Start Stop Tare Start Stop Input Beep Off On Relay Output Type Sequence...

Page 16: ...and middle level menus Backs out of a list of selectable items to the previous middle level menu Exit Exits from menu directly to the active weighing mode 3 4 Turning Indicator On Off 3 4 1 Turning On With the scale off press the ON ZERO Off button The Indicator performs a display test momentarily indicating model option and status information and then goes into the active weighing mode 3 4 2 Turn...

Page 17: ...the scale platform example 0 5 kg Press the TARE button The container weight is tared The display will show 0 kg Net weight kg lb g oz B G Net Tare PT kg lb g oz B G Net Tare PT kg lb g oz B G Net Tare PT kg lb g oz B G Net Tare PT To clear the Tare value empty the scale platform the display will show the tare weight as a negative value Press the TARE button Display will show 0 kg Gross weight Pre...

Page 18: ...d pressing the G N T Menu button successively displays the Tare the Gross and the Net weights After a few seconds the scale automatically reverts to displaying the NET weight Changing Units of Measure Press and hold the PRINT Units button until the desired measuring unit appears Only measuring units enabled in the Readout Unit Menu will be displayed refer to Section 3 6 2 Printing Data Printing th...

Page 19: ...isplay sequence At the end of the display sequence CLEAR is displayed and returns to active weighing mode Notes 1 If a value exceeds the size of the 6 digit display the number will first be displayed in reduced decimal places after this the g and lb oz units may be changed to kg and lb units If the value still exceeds the display digits Err will be displayed The correct value with the original wei...

Page 20: ...indication features are easily configurable and can be turned on or off to suit most user preferences Bar Graph segments illuminate according to the following conditions Under yellow weight is below preset minimum value Accept green weight is equal or within preset target range Over red weight exceeds preset maximum value NOTE The checkweigh TARGET button and menu settings can be locked to resist ...

Page 21: ... display flashes the last maximum range value entered Use the numeric keypad to enter a new Maximum range value or press C to clear Press TARGET to accept the entry The display will freeze momentarily to confirm the entry END appears momentarily to confirm end of checkweigh entry sequence The Indicator returns to active checkweighing mode NOTES 1 Values entered can be from 1d to Full Scale capacit...

Page 22: ...Note Variance values are absolute no negative value allowed Press TARGET to accept the entry The calculated value 3 000 4 kg 1 kg will freeze momentarily to confirm the entry VAR OV flashes momentarily to indicate the parameter to be entered next Variance Over The last Green and the first Red Bar Graph segments are lit during entry The display flashes the last Maximum Variance value entered If a d...

Page 23: ...ypad example 25 of the Accept Target value 4 kg to reach a desired Minimum value of 3 kg Note Variance values are absolute no negative value allowed Press TARGET to accept the entry The calculated value 3 000 4 kg 25 or 1 kg will freeze momentarily to confirm the entry VAR OV flashes momentarily to indicate the parameter to be entered next Variance Over The last Green and the first red bar graph s...

Page 24: ...rmine when the removed material is within the Target range Press the TARGET button and set the Under and Over values as a negative value This is done by entering the number first then pressing the button In this example Target range settings are Under 3 kg and Over 4 5 kg Place the item to be weighed on the scale platform The illustration indicates a sample of 5 25 kg Gross weight Tare the weight ...

Page 25: ... negative number Place the item representing the reference weight on the scale platform The illustration indicates1 kg Tare the reference sample Remove the reference sample from the platform weight In this example any weight that is 0 050 kg or more below 1 kg will display UNDER Place the item to be compared on the scale platform The illustration indicates that the sample is 0 020 kg above the 1 k...

Page 26: ...converts a 3 digit ASCII code to an alpha numeric character 4 During numeric value entry sequence short press toggles the displayed value between negative and positive C 1 Short press in numeric entry sequence clears one digit at a time A long Press during data entry erases all digits 2 While END is displayed a long press will erase the data in the selected library Exit Exits any Library function ...

Page 27: ...e to save the current entry and advance to the next parameter TARGET momentarily flashes Notes 1 is displayed if no previous data was specified for the respective parameters 2 Use the C button to clear previous data Enter the desired value example 4 kg using the numeric keys Press LIBRARY Save to save the current entry and advance to the next parameter VAR UN Variance Under Note Note Note Note Not...

Page 28: ...button while END is displayed While exiting to the weighing mode CANCEL is momentarily displayed Data entries are not saved and the original data are retained Loading an Existing Library to the Active Checkweigh Mode Press the LIBRARY Save button The last Library ID momentarily flashes followed by the part number or name assigned To advance to another Library ID repeatedly press the NEXT button un...

Page 29: ...Settings This section describes the settings available in each menu 3 6 1 Setup Menu Access this Menu to configure metrological parameters Reset This menu item is used to reset the Setup menu to the factory defaults Note Capacity and graduation settings are not reset Selections are No Yes Legal for trade This menu item is used to enable or disable Legal for trade compliant operation Selections are...

Page 30: ...is used to define the percentage of full capacity load that may be cleared by pressing the ON ZERO Off button Selections are 2 18 and 100 Note With LFT On Zero Range defaults to 2 Retain Zero Data This menu item is used to enable or disable Retain Zero Data function When set On indicator stores the current zero point and restores it on power up Selections are OFF On Auto Tare Selections are OFF Au...

Page 31: ... a 100 kg weight is displayed as 100 75 kg is displayed as 75 150 kg is displayed as 150 Stable Range This menu item is used to specify a tolerance limit to indicate a Stable condition Stable indicator turns on Selections are 0 5 1 2 5 scale divisions Averaging Level This menu item is used to specify how much filtering is used to compensate for vibration or excessive air currents Selections are Lo...

Page 32: ... Off Timer OFF END Represents the end of the menu 3 6 3 Mode Menu The Mode menu is used to configure parameters of the available application modes Reset This menu item is used to reset the Mode menu to factory defaults Selections are No Yes Checkweigh Mode This menu item is used to enable or disable the Checkweigh mode Selections are OFF On Library Mode This menu item is used to enable or disable ...

Page 33: ...es not sound when the pan is cleared Weight Display Signal This menu item is used to define the checkweigh conditions when the LED weight display flashes as a visual alert during checkweighing Selections are OFF OFF OFF OFF OFF LED weight display does not flash in any checkweigh condition Accept LED weight display flashes when the weighed value is within the Accept range corresponding to green LED...

Page 34: ...aph increment is set by the user via the numeric keypad When selected the display flashes the last Increment value entered Enter a value within one scale division and full scale capacity Note The user value can be set to represent the weight of a single item which will display as a single segment Graph Display This menu item is used to define how the bar graph segments are grouped during checkweig...

Page 35: ...ta continuously Print Content This menu item is used to define the content of the printed data Selections are Display Allows printing of the displayed weight Selections are OFF or On Numerical Allows output of numeric data only no additional descriptive text will be printed Selections are OFF On Header Allows printing the pre set header OHAUS Model No and software version Selections are OFF Header...

Page 36: ...ata is not printed Single GMP data is printed once only at the very next printout Cont Setpoint Input data is printed in each printout of weighing result Note The Single printout option is reset at each power on cycle or if the Single setting is reselected ACCUM Access the Print Accumulation Data menu Selections are COUNT When On this prints out the number of weighments or events in Accumulation m...

Page 37: ...iately one time on the selection of Yes Library This allows print out of the stored Library data Selections are No Yes the information is printed immediately one time on the selection of Yes END Represents the end of the menu 3 6 5 Communication Menu The Communication menu item is used to configure printing and communications parameters of the serial port All communication is accomplished using st...

Page 38: ...5 communication Selections are Off When Off is selected communication format is compatible with RS422 On Communication format is compatible with RS485 An adress parameter from 00 01 99 can be entered Note RS485 operation the correct address must precede all data to the scale When the scale transmits this same address is sent out first to identify where the data string came from Alternate Command T...

Page 39: ...les the relay operation Stop Tare Start Stop T S S The first external input signal initiates a Tare function The second external input signal enables the output relay operation Start The third external input signal disables the relay operation Stop Note Start Stop and Tare Start Stop are only available when the Relay Option is installed When selected pressing the NEXT button will have the same eff...

Page 40: ... Make contact style MBB Make Before Break contact style Note A 100 ms delay or over lap is used for the BBM and MBB timing END Represents the end of the menu 3 6 7 GMP Data Menu The GMP Data Menu enables the storage of identification and traceability parameters for audit trail purposes The entered data are available for printing when turned on in the GMP Set menu 3 6 4 Note When there is no data e...

Page 41: ... 24 00 The display flashes the current time If Time Format selected is 12hr PM is displayed if 24hr skip and proceed to next menu SET This menu item is used to enter the current time via the numeric keypad example 0105 for 1 05 Note The time is retained in memory even when power is off END Represents the end of the menu 3 6 8 Lockout Menu This menu is used to lock access to menus and key functions...

Page 42: ...ed Selections are Reset Numeric Clear Target Library Lib Save Next Zero Print Units GNT Tare Menu Selections are OFF On Note If the menu key has been locked it can be manually unlocked with an extended press of the G N T Menu button 10 seconds when this is done the display shows UN LOC momentarily then the Menu mode can now be entered normally 3 6 9 Hardware Lock Switch The Hardware Lock switch ma...

Page 43: ...during the process 4 1 1 Span Calibration Span Calibration uses two points to adjust the scale One point is called the zero value where there is no weight on the scale The other point is the Span value that is often but not necessarily at full capacity The CKW 55 Indicator allows the user to select alternate Span calibration values Span values closest to the full scale capacity are recommended to ...

Page 44: ...e values closest to 1 2 full scale capacity are recommended to give the best performance over the entire weighing range Before calibrating the scale check that the weighing base is correctly leveled When any selection within the Read GMP menu is enabled calibration results are automatically printed With CAL displayed press the Yes button SPAN is displayed Press the No button to skip and proceed to...

Page 45: ...and initiate Calibration Test The display flashes 0 indicating that no weight should be placed on the platform at this time After ensuring that the scale platform is clear press the Yes button T is displayed while the zero point is measured The display flashes the calibration test mass 4 1 3 Calibration Test This menu item is used to compare a known calibration mass against the calibration data st...

Page 46: ...ete Geographical Adjustment Factors are listed in Table Complete Geographical Adjustment Factors are listed in Table Complete Geographical Adjustment Factors are listed in Table Complete Geographical Adjustment Factors are listed in Table Complete Geographical Adjustment Factors are listed in Table 4 1 4 1 4 1 4 1 4 1 The default Geo factor is 19 for Europe and 16 for USA This feature allows autho...

Page 47: ...9 43 26 17 16 16 15 15 14 14 13 13 12 12 43 26 44 32 17 17 16 16 15 15 14 14 13 13 12 44 32 45 38 18 17 17 16 16 15 15 14 14 13 13 45 38 46 45 18 18 17 17 16 16 15 15 14 14 13 46 45 47 51 19 18 18 17 17 16 16 15 15 14 14 47 51 48 58 19 19 18 18 17 17 16 16 15 15 14 48 58 50 06 20 19 19 18 18 17 17 16 16 15 15 50 06 51 13 20 20 19 19 18 18 17 17 16 16 15 51 13 52 22 21 20 20 19 19 18 18 17 17 16 16...

Page 48: ...If any setting in the Print Content GMP menu refer to Section 3 6 4 Print Menu is turned on GMP automatically prints the calibration data after calibration or calibration test is completed Other GMP data if turned on will also be printed as shown Span Calibration Printout When performing a Span calibration with any GMP setting turned on a printout is automatically made after the procedure is compl...

Page 49: ...ction 3 6 2 in the Readout Menu Set selected menu to Off in the Lock Menu Lockout Switch on the circuit board may need to be set to the Off position The components should be kept clean and free of excessive material build up The platform can be cleaned using most standard food processing equipment methods such as high pressure water or steam Avoid directly spraying the load cell with high pressure...

Page 50: ...attery remains weak even after a full charge cycle replace the battery pack 4 5 Battery Replacement The Indicator contains a small Lithium battery to maintain a real time clock and a memory backup system This battery should provide many years of maintenance free operation The CKW Indicator may also have an optional rechargeable battery system installed purchased separately This option includes a l...

Page 51: ... CAUTION Do not dispose of used batteries in normal trash Follow the proper disposal or recycling requirements in accordance with local laws and regulations BATTERY RETAINING CLIP PUSH RETAINING CLIP DOWN SLIDE BATTERY OUT CONTACT CLIP Figure 4 1 RTC Battery Removal Installation CAUTION ELECTRICAL SHOCK HAZARD REMOVE ALL POWER CONNECTIONS TO THE INDICATOR BEFORE SERVICING OR MAKING INTERNAL CONNEC...

Page 52: ...IONS Base A B C D E Overall Height Overall Width Overall Depth Distance from Pan Distance from Table to bottom of Indicator to surface of Pan CKW3R CKW6R 459mm 254mm 335mm 231mm 84mm 18 1 10 13 2 9 1 3 3 CKW15L 459mm 305mm 383mm 231mm 84mm 18 1 12 15 1 9 1 3 3 CKW30L 459mm 305mm 383mm 215mm 92mm 18 1 12 15 1 8 5 3 6 ...

Page 53: ...CKW 55 CHECKWEIGHER EN 49 5 1 Drawings and Dimensions Cont Figure 5 2 CKW 55 Indicator Table Mount Position Figure 5 2 CKW 55 Indicator Wall Mount Position ...

Page 54: ...apacity Span Calibration 1 kg or 1 lb to 100 Capacity Overall Dimensions W x D x H 230 x 75 x 217 mm 9 x 3 x 8 5 includes bracket Net Weight 3 0 kg 6 61 lb Shipping Weight 4 6 kg 10 14 lb Operating Temperature Range 10 C to 40 C 14 F to 104 F Power 100 240 VAC 50 60 Hz Universal Power Supply Hardwire Cord Optional Internal Rechargeable NiMH Battery 10 hour typical life Interface Built in RS232 and...

Page 55: ... confirm the detection of this option For more information refer to the instruction manual included with the Option Kit when purchased 6 1 2 RS485 422 Option When installed the RS485 422 option board is detected by the software During the power on display sequence the message 485 OP is displayed to confirm the detection of this option For more information refer to the instruction manual included i...

Page 56: ...h 041 073 I 105 i 042 074 J 106 j 043 075 K 107 k 044 076 L 108 l 045 077 M 109 m 046 078 N 110 n 047 079 O 111 o 048 0 080 P 112 p 049 1 081 Q 113 q 050 2 082 R 114 r 051 3 083 S 115 s 052 4 084 T 116 t 053 5 085 U 117 u 054 6 086 V 118 v 055 7 087 W 119 w 056 8 088 X 120 x 057 9 089 Y 121 y 058 090 Z 122 z 059 091 123 060 092 124 I 061 093 125 062 094 126 063 095 _ 127 TABLE 6 2 ASCII NUMBER TO ...

Page 57: ...KING INTERNAL CONNECTIONS THE HOUSING SHOULD ONLY BE OPENED BY AUTHORIZED AND QUALIFIED PERSONNEL SUCH AS AN ELECTRICAL TECHNICIAN Unfasten the four side screws of the indicator housing Pull the front cover forward Pass the load cell cable through the liquid tight connector at the bottom and center of the housing Pass the cable through the large ferrite bead that is attached to the internal plasti...

Page 58: ... side screws of the indicator housing and remove the front cover by pulling forward Pass the communication cable through one of the I O liquid tight connectors at the bottom of the indicator housing Match the wire signals to connector J4 on the main PC board and connect the cable accordingly See Figure A 2 Connect the opposite end of the communication cable to the communication device Reinstall th...

Page 59: ...er to Section 3 6 1 Note If the scale has been previously set for Legal For Trade operation it will be necessary to remove the seal and set the LFT switch Off before proceeding Removal of the existing seal will make the scale legally unusable for Legal for Trade use until a new seal is put into place B 2 Locking Metrological Parameters To prepare the scale for Legal For Trade operation it is neces...

Page 60: ...ly shown If only the LFT switch has been enabled the message LOC ON will be shown B 4 Sealing Four different methods are available for sealing The method used will depend on the scale application and the requirements of the local Weight and Measures regulations Internal sealing may be required in applications where an external mechanical seal would be impractical or disallowed Internal sealing all...

Page 61: ...tersunk washer Make sure the internal sealing gasket is in place and unobstructed Assemble the Indicator and replace the screws on both sides of the housing Figure B 3 Internal Sealing Label Internal Sealing When the internal sealing method is used first remove all AC power from the scale system On scales containing an optional rechargeable battery system set the scale Off using the ON ZERO Off bu...

Page 62: ... the Weights and Measures kit Using the crimp seal and wire seal the Indicator as shown in Figure B 4 Tamper Proof Label Sealing Place an adhesive seal over one of the flat head screws at the side of the Indicator housing An alternative larger label seal can be used to cover one or more of the side screws and the housing edges See Figure B 5 Figure B 4 External Wire Seal Figure B 5 External Sealin...

Page 63: ...t will allow for easy removal after mounting One mounting hole in the bracket has a double sided tear drop shape By installing a screw at the furthest edge of this hole the bracket can be made to have a more permanent and secured mounting see Figure C 1 The mounting holes will accommodate up to 6 mm 1 4 bolts or screws The head diameter should be no less then 9mm 0 35 When mounting into solid mate...

Page 64: ...EN 60 APPENDIX C CKW 55 CHECKWEIGHER Figure C 1 Mounting Bracket Dimensions ...

Page 65: ...1 for On xP Auto print condition Where x 1 to 3600 second intervals x 0 for Off x C for Continuous x S for On Stable xCM Checkweigh Input Mode where x 0 for Range 1 Variance 2 Percent xCU Set Under value as a Range Variance or Percent value depending on Checkweigh Input Mode setting xCO Set Over value as a Range Variance or Percent value depending on Checkweigh Input Mode setting xCT Set Target va...

Page 66: ... 100 0 005 0 01 0 02 0 05 0 1 120 0 01 0 02 0 05 0 1 150 0 01 0 02 0 05 0 1 0 2 200 0 01 0 02 0 05 0 1 0 2 250 0 02 0 05 0 1 0 2 300 0 02 0 05 0 1 0 2 400 0 02 0 05 0 1 0 2 0 5 500 0 05 0 1 0 2 0 5 600 0 05 0 1 0 2 0 5 1000 0 05 0 1 0 2 0 5 1 1200 0 1 0 2 0 5 1 1500 0 1 0 2 0 5 1 2 2000 0 1 0 2 0 5 1 2 2500 0 2 0 5 1 2 3000 0 2 0 5 1 2 5000 0 5 1 2 5 6000 0 5 1 2 5 10000 0 5 1 2 5 10 12000 1 2 5 1...

Page 67: ...as 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 Ohaus In lieu of a properly returned warranty registration card the warranty period shall begin on the date of shipment to the authorized dealer No other express or implied warranty is given by Ohau...

Page 68: ...R Printed in China Ohaus Corporation 19A Chapin Road P O Box 2033 Pine Brook NJ 07058 USA Tel 973 377 9000 Fax 973 593 0359 www ohaus com With offices worldwide P N 80251031 Ohaus Corporation 2004 all rights reserved 80251031 ...

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