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14

SARTORIUS MC 5 Balance

Stand  1/94

MC 5

Additional Service Tools and Equipment

To service and repair the microbalance, set it up in a clean, stable work area that is free of vibrations and
drafts, and use the appropriate tools.
In addition to your regular tools, you will need the following special tools to work on the SARTORIUS
MC5 Microbalances:

No. of Units/Set Designation

Order No.

1

Digital voltmeter, 4 ½ digits (e.g., Beckmann)

6738-62

1

2-channel oscilloscope, 20 MHz

1

Constant voltage source (e.g.,  Analogic AN 3100)

Weights and weight sets required:

1

E1 weight set if a PSION or a PC CAS prg. is not available

1

E2 weight set if a PSION or a PC CAS prg. is not available

6713-001

1

Weight,  1 g,  E1

1

Weight,  5 g,  E1

Caution!

Do not attempt to repair mechanical system; return microbalances with mechanical defects to our
International Service Headquarters in Goettingen, Germany.
To repair SARTORIUS MC5 Microbalances, considerable experience, completion of the
microbalance service course in Goettingen, Germany, and all special tools are required.  Repair
attempts by non-authorized persons must therefore be avoided.  Repair of balances by anyone other
than an authorized SARTORIUS service technician will result in the loss of all warranty coverage.

Accompanying Literature

The Sartorius Micro Instruction Manual, publ. no. WMC6011-e93091, contains these sections:
Installation Instructions
How to Operate the Balance
Balance Operating Menu
Application Programs
Interface Description
Specifications

Содержание MC 5

Страница 1: ...Sartorius Balance Service Manual MC 5...

Страница 2: ...stment Data Sheet 22 Adjusting the Microbalance 23 Adjustment Sequence 23 Reproducibility 24 Null Indicator 25 Checking the Null Indicator 25 Preload 25 Checking and Adjusting the Preload 25 Checking...

Страница 3: ...PCB 35 Weight Servomotor PCB 35 Draft Shield PCB 35 System Connector PCB 35 Power On Routine and Error Messages 36 Error Messages 36 Draft Shield 38 Cleaning the Draft Shield 38 Disassembling the Draf...

Страница 4: ...4 SARTORIUS MC 5 Balance Stand 1 94 MC 5 Exploded View Diagram 1...

Страница 5: ...Main printed circuit PCB 105 Data output port interface card 106 Bracket 107 Analog PCB 108 Space rod 109 Ground plate 110 Leveling foot 111 Display housing 112 Display PCB module 113 Frame for switch...

Страница 6: ...6 SARTORIUS MC 5 Balance Stand 1 94 MC 5 Exploded View Diagram 2...

Страница 7: ...Stand 1 94 SARTORIUS MC 5 Balance 7 MC 5 Index Designation 201 Top part of housing 202 Draft shield 203 Weighing pan 204 Protective shield plate 205 Disassembling the Draft Shield Base 206 Groundtub...

Страница 8: ...8 SARTORIUS MC 5 Balance Stand 1 94 MC 5 Exploded View Diagram 3...

Страница 9: ...ce rod 304 System PCB 305 Level indicator 306 Leaf spring fastener 307 Leveling foot 308 Gasket 309 Disk 310 Retaining plate 311 Weight servomotor PCB with system sensor cable 312 Eccentric cam 313 Co...

Страница 10: ...10 SARTORIUS MC 5 Balance Stand 1 94 MC 5 Exploded View Diagram 4...

Страница 11: ...401 08 Guides 402 Lever factory premounted 403 Leaf spring 404 Preload weights 405 Indifferent equilibrium weight 406 Null indicator subassembly complete 407 Screw with special thread 409 Cantilever...

Страница 12: ...12 SARTORIUS MC 5 Balance Stand 1 94 MC 5 Exploded View Diagram 5...

Страница 13: ...signation 501 Curved panel for draft shield 502 Drive 503 Lever 504 Sensor cable attached to draft shield PCB 505 0 ring 506 Bearing ring 507 Centering ring 508 Support disk for bearing shell 509 Bear...

Страница 14: ...C CAS prg is not available 6713 001 1 Weight 1 g E1 1 Weight 5 g E1 Caution Do not attempt to repair mechanical system return microbalances with mechanical defects to our International Service Headqua...

Страница 15: ...eighing cell 12 Data interface port 3 Level indicator 4 Weighing pan 13 AC jack 5 Leveling foot 14 Menu access switch 6 Protective shield plate 7 Manufacturer s label on the underside of the balance 1...

Страница 16: ...er otherwise this could cause problems with instability or drift 2 Position the equipment to provide the required access for operation Place the weighing cell on the left or the right of the display u...

Страница 17: ...brations chemically aggressive environments high humidity The microbalance is not allowed to be operated in hazardous areas locations Weighing System The MC5 features a weighing system that is special...

Страница 18: ...stored values tare control zeros the display weighing range toggle key print key function key for activating the first program application or calibration functions function key for activating the sec...

Страница 19: ...he number To select the desired place left center right press the key to move to the left the key to move to the right Press the key to confirm the code entered a appears after the code For example to...

Страница 20: ...ion the last two the software version The balance will then return to its standard weight display mode Displaying the Model Name and Serial Number Turn the microbalance off and back on again using the...

Страница 21: ...les the EEPROM s write protect status The full segment display test will run in regular cycles Wait for at least 3 cycles after which the balance will be in the BPI mode Afterwards plug the jumper bac...

Страница 22: ...Goettingen Germany To obtain special authorization to repair mechanical defects you are required to have completed an intensive training course in Goettingen Germany Until July 1994 you are required...

Страница 23: ...e to extreme ambient conditions heat radiation temperature fluctuations drafts vibrations chemically aggressive environments high humidity The microbalance is not allowed to be operated in hazardous a...

Страница 24: ...the long anti magnetic forceps Unload the weighing pan Close the draft shield by pressing After approx 10 sec 0 000mg will be displayed Load 5g weight Close the draft shield once the readout has stab...

Страница 25: ...follows lower stop adjust the screw located between the null indicator and the magnet cover upper stop adjust the screw located on the rear section of the magnet cover Adjust the catch pin of the leve...

Страница 26: ...ll microbalances are adjusted at the factory Any substantial variation is due to a deeper underlying cause In this case you should return the microbalance to the factory in Goettingen Germany whenever...

Страница 27: ...enter loading errors 500 d indicate that the weighing system is defective In this case return the microbalance to the factory in Goettingen Germany Adjusting the Off Center Loading Tolerances Before y...

Страница 28: ...generate a preload of approx 2g close the draft shield and press the Then place the test weight on the pan close the draft shield and write down the value displayed Remove the test weight from the pa...

Страница 29: ...nce will accept only a weight that is within a tolerance of approx 2 of the factory programmed linearity You can set the microbalance for greater linearity variations only using the PSION server appro...

Страница 30: ...balance for greater variations only using the PSION server approx 50 of the factory programmed calibration weight or the CAS program written for PCs and laptops in this case the calibration weight is...

Страница 31: ...is greater you are allowed to overwrite the internal linearity weight In this case the attainable adjustment accuracy is approx the worst uncertainty of the weight used 6 g Important Note If you need...

Страница 32: ...onventional mass of the test weight listed on the Calibration Certificate 5g 0 022mg 15 g 15 g is the uncertainty of the test weight Standard deviation of the microbalance 1 g Allowable deviation 20 g...

Страница 33: ...accessible has been set on the microbalance As soon as the readout has stabilized press the key Confirm by pressing the key and C I will be displayed The internal calibration weights are now loaded an...

Страница 34: ...System PCB see page 8 Exploded view diagram 3 No 304 Weight servomotor PCB see page 8 Exploded view diagram 3 No 311 Null indicator PCB see page 10 Exploded view diagram 4 No 406 Draft shield PCB see...

Страница 35: ...system PCB is an amplifier circuit for the null indicator and the temperature sensor as well as the system EEPROM IC107 with the serial number of the microbalance To exchange this board see item 4 of...

Страница 36: ...ear tare 2nd tare memory memory to enable the CF tare key Err 11 Attempt to store an invalid The readout was negative number in tare memoryfor example check sample using TAR F1 Err 20 The key was pres...

Страница 37: ...robalance off then back on again you may need to exchange the PCB Err 234 Checksum error in the battery backed Leave microbalance plugged into AC current RAM rechargeable battery for approx 12 hours t...

Страница 38: ...emove the glass draft shield 202 the weighing pan 203 and the shield plate 204 Carefully invert the weighing cell so that it rests on the top part of the housing 201 Remove the 4 fastening screws A to...

Страница 39: ...the complete draft shield by following the steps listed above in the reverse order Important note Make sure to insert the sensor cable 506 through the slot in the system holding plate 319 and plug in...

Страница 40: ...digits 1 3 5 4 digits 1 3 6 8 digits 4 Stability Symbol Delay 1 4 1 None delay 1 4 2 Short delay 1 4 3 Long delay 1 4 4 Extremely long delay 5 Tare Parameter 1 5 1 At any time 1 5 2 After stability 6...

Страница 41: ...curacy 1 8 11 0 02 display accuracy 1 8 12 0 01 display accuracy 1 8 13 PolyRange function 9 External Calibration 1 9 1 Accessible 1 9 2 Access denied 10 Internal Calibration 1 10 1 Accessible 1 10 2...

Страница 42: ...ection 2 F1 Key Applications 2 2 1 No function 2 2 2 Tare memory 2 2 3 Over under net weight 2 2 4 Over under difference in weight 2 2 5 Intern calibration 2 2 6 Calibration test 3 Parameter Mode 2 3...

Страница 43: ...ghts 3 1 13 mg Milligrams 3 1 14 o Parts pound 3 1 15 tl Chinese taels 3 1 16 m Mommes 3 1 17 o Carats 3 1 18 t Tola 3 1 19 b Baht 3 1 20 m Mesghal 2 Display Mode Selection 3 2 1 Highest accuracy 3 2...

Страница 44: ...3 15 tl Chinese taels 3 3 16 m Mommes 3 3 17 o Carats 3 3 18 t Tola 3 3 19 b Baht 3 3 20 m Mesghal 4 Display Mode Selection 3 4 1 Highest accuracy 3 4 2 Last numeral blanked when load changes 3 4 3 Ro...

Страница 45: ...ence in grams 3 8 4 Difference in percent 9 Backw 2nd Calculated Value 3 9 1 Residue in grams 3 9 2 Residue in percent 3 9 3 Difference in grams 3 9 4 Difference in percent 4 Para 2st Application 1 Ov...

Страница 46: ...4 1 Software 5 4 2 Hardware 2 characters after CTS 5 4 3 Hardware 1 character after CTS 6 Utilities 1 Data Output Parameter 6 1 1 Without stability 6 1 2 After stability 6 1 3 At stability 6 1 4 Auto...

Страница 47: ...utput Printing 7 3 1 Last net weight 7 3 2 Total tare weight 4 Backweighing Rec w Data Time 7 4 1 Off 7 4 2 Date only 7 4 3 Time only 7 4 4 Date and time 5 Backw Rec w Tare_ Net weight 7 5 1 Off 7 5 2...

Страница 48: ...5 2 Off on battery op 8 5 3 On standby 8 5 4 Auto power on remote control 6 Display Backlighting 8 6 1 On 8 6 2 Off 8 6 3 Auto off 7 Interface Port Function 8 7 1 Data output 8 7 2 Data input 8 Auto...

Страница 49: ...Stand 1 94 SARTORIUS MC 5 Balance 49 MC 5 8 Additional Functions 10 GLP GMP Printout Record 8 10 1 Off 8 10 2 Only for cal functions 8 10 3 Always on 9 Reset Function 9 1 1 Active 9 1 2 Off...

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