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OHAUS Scout Pro Series, Service Manual

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SERVICE MANUAL

SCOUT

®

 

PRO 

 BALANCES

The information contained in this manual is believed to be accurate at the time of publication, but Ohaus

Corporation assumes no liability arising from the use or misuse of this material.  Reproduction of this

material is strictly prohibited.

Material in this manual is subject to change.

© Copyright 2003 Ohaus Corporation, all rights reserved.

® Registered trademark of Ohaus Corporation.

www.mirvesov.ru

Тел

.: (495) 921-44-57

Summary of Contents for Scout Pro Series

Page 1: ...SERVICE MANUAL SCOUT PRO BALANCES Ohaus Corporation 19A Chapin Road P O Box 2033 Pine Brook NJ 07058 2033 973 377 9000...

Page 2: ...www mirvesov ru 495 921 44 57...

Page 3: ...ication but Ohaus Corporation assumes no liability arising from the use or misuse of this material Reproduction of this material is strictly prohibited Material in this manual is subject to change Cop...

Page 4: ...www mirvesov ru 495 921 44 57...

Page 5: ...Circuit Board Replacement 3 2 3 1 3 Transducer Replacement 3 4 CHAPTER 4 TESTING 4 1 Testing 4 1 4 1 1 Operation Test 4 1 4 1 2 Segment Display Test 4 1 4 2 Performance Tests 4 1 4 2 1 Repeatability T...

Page 6: ...m of Balance 3 1 3 3 Printed Circuit Board removal 3 2 3 4 Transducer Removal 3 4 4 1 LCD Full Display 4 1 4 2 Transducer Front View Down Stop Adjustment 4 4 5 1 Scout Pro Exploded View 5 2 A 1 Screw...

Page 7: ...ng the balance you should be familiar with the Instruction Manual which is packed with every balance The procedures in this manual assumes the technician performing themhas a working knowledge of the...

Page 8: ...s These items are listed as follows 1 3 1 Special Tools and Test Equipment List 1 Alternate voltage Power Adapter if local power requirements do not match Balance Adapter voltage ratings 2 Scout Pro R...

Page 9: ...IFICATIONS Capacity g 200 400 400 600 2000 4000 6000 Readability g 0 01 0 1 1 0 Repeatability Std Dev g 0 01 0 1 1 0 Off Center Loading g 0 01 0 1 1 0 Linearity g 0 01 0 1 1 0 Tare range To capacity b...

Page 10: ...1 4 CHAPTER 1 INTRODUCTION www mirvesov ru 495 921 44 57...

Page 11: ...liarize yourself with the balance components and operation Do not attempt repairs unless you fully understand the operation of the balance 2 2 1 Diagnosis 1 Isolate and identify the symptom 2 Refer to...

Page 12: ...or B 2 TABLE 2 1 DIAGNOSTIC GUIDE PROBABLE CAUSE 1 No power 2 Power Jack defective 3 Weak battery 4 Battery connector poor contact 5 PC Board defective 1 Weak battery 2 AC Adapter defective or wrong t...

Page 13: ...ucer Lock en gaged or misaligned 1 Balance not warmed up 2 Defective Transducer 3 PC Board defective 1 Balance has detected an error condition 2 Defective Transducer 3 PC Board defective REMEDY 4 Repl...

Page 14: ...1 Calibrate using correct mass Err 5 Parts counting error 1 Sample is less than 1d Change sample quantity or increase sample Err 8 RS232 buffer is full 1 Check printing device Err 9 Internal data erro...

Page 15: ...tosubjectanyofthese components to static electricity discharge When servicing a wrist Ground Strap with a 10 Megohm series resistor to earth ground is highly recommended The Printed Circuit Board 9 sh...

Page 16: ...rd 9 is suspected of being faulty it should be replaced rather than repaired To replace the Printed Circuit Board 9 proceed as follows 1 Remove the balance cover refer to paragraph 3 1 1 CAUTION WHEN...

Page 17: ...d Circuit Board 9 Make sure that the Printed Circuit Board is positioned under the 2 clips on the Base 10 9 Connect the flexible cable from the Transducer to Connector J6 on the Printed Circuit Board...

Page 18: ...amage to the Transducer can render it inoperative 1 Remove the cover in accordance with the procedures in paragraph 3 1 1 2 Remove the 4 screws that secure the Transducer 8 to the Base 10 The screws a...

Page 19: ...AC Adapter supplied with the balance is rated for a different voltage use an appropriate adapter to match the supply voltage 4 1 2 Segment Display Test 1 Turn the balance on by pressing ON ZERO Off al...

Page 20: ...Remove the mass Reading should return to 0g 1 count 4 Repeat this test for ten readings If the standard deviation of the readings is less than 1 count the balance passes the Repeatability Test Adjust...

Page 21: ...g range The masses used to perform this test must be adjusted to ASTM Class 4 Tolerance or better NOTE The balance must pass the Off Center Load Test and Re peatabilityTestbeforetheLinearity Testmaybe...

Page 22: ...checkingandadjustingofthedownstop Tomakeadjustments theTransducermustberemovedfrom the balance Perform procedures 3 1 1 and 3 1 3 and remove the Transducer from the balance NOTE This procedure will re...

Page 23: ...TOLERANCES Model Min mm in Max mm in SPx123 0 40 0 016 0 45 0 018 SPx202 0 60 0 024 0 70 0 028 SPx402 0 50 0 020 0 60 0 024 SPx401 0 75 0 030 0 90 0 035 SPx601 0 65 0 026 0 75 0 030 SPx2001 0 65 0 026...

Page 24: ...4 6 CHAPTER 4 TESTING www mirvesov ru 495 921 44 57...

Page 25: ...ked after the replacement is made The balance MUST meet the parameters of all applicable specifications in this manual If further technical information is needed in the United States call Ohaus Afterm...

Page 26: ...www mirvesov ru 495 921 44 57...

Page 27: ...t Transducer replacement 2000g Scout Pro SP2001 SPX2001 8 71160408 Kit Transducer replacement 6000g Scout Pro SP6001 SPX6001 8 71160407 Kit Transducer replacement 4000g Scout Pro SP4001 SPX4001 8 7116...

Page 28: ...304 Interface cover Scout Pro All 14 71147994 LCD Scout Pro All 15 71160313 Cal Lock Scout Pro All 16 71160323 Connector Battery Scout Pro All 17 12102033 Weigh Below cover Scout Pro All 18 71160309 L...

Page 29: ...an be downloaded at the following URL HTTP fileshare ohaus com docushare a Click on Login b Login ServiceA Password aservice Both are case sensitive c Click on the Xerox logo at the upper left d Click...

Page 30: ...the interface housing 5 Install the modified RS232 USB module in the balance being repaired NOTE If using the customers interface do not forget to remove the modification after the repair is complete...

Page 31: ...Port COM5 and choose Properties 6 Click on the Port Settings tab 7 Click on the Advanced button 8 Change the COM port number to an unused port 9 Click on OK twice 9 Close the System Properties box 10...

Page 32: ...arameters are matched click on the Test Command tab and test the communications 4 In this example see figure A 6 the P command resulted in the 0 02g being written in the lower screen The V command res...

Page 33: ...above except enter the load cell serial number and click on Load cell C in the serial number box 8 The bar G is a graphical indication of the portion of the transducer output that is being used A 6 US...

Page 34: ...S232 to the correct com port Baudrate 2400 ByteSize 7 Parity None 9 The balance will respond to the V command but not the others 10 The bar graph will respond to pressure on the platform 11 Enter the...

Page 35: ...e balance and press the On Zero Off button 6 Press and release the On Zero Off button The display will show C blinking and then the second mass value 7 Place masses totaling this value on the balance...

Page 36: ...play will show C blinking and then the first mass value 9 Place masses totaling this value on the balance and press the ON ZERO Off button 10 Press and release the ON ZERO Off button The display will...

Page 37: ...ressandreleasetheON ZERO Off button Thebalancewillreturntotheweighingmode 15 Press and hold the ON ZERO Off button until the display shows OFF 16 Remove power from the balance 17 Remove either the sho...

Page 38: ...B 4 APPENDIX B FACTORY CALIBRATIONS www mirvesov ru 495 921 44 57...

Page 39: ...www mirvesov ru 495 921 44 57...

Page 40: ...P N 80250973 SERVICE MANUAL SCOUT PRO ELECTRONIC BALANCES 80250973 115409 47 2 495 921 44 57 http www mirvesov ru E mail mv mirvesov ru...

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