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AEMC 5600 Repair And Calibration Manual
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AEMC 5600 Repair And Calibration Manual

Micro-ohmmeter
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VERSION IV: 4/98
 
  
   
     

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Summary of Contents for AEMC 5600

  • Page 1 VERSION IV: 4/98               ...
  • Page 2 • Automatic decimal point and zero • Very rugged field case for industrial applications MICRO-OHMMETER MODEL 5600 REVISED MANUAL • Main Printed Board modified to include all protections • Add Resistor R106, R107, R108, C041 and RV1 • Removed CR03 and CR04 •...

  • Page 3: Table Of Contents

    Main Board........................30 Revision Description Date Approved Updated April 9, 1998 Updated December 7, 1998 Updated May 13, 1999 Updated June 11, 1999 REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 4 AEMC Instruments 99 Chauncy Street • Boston, MA 02111 USA (800) 343-1391 • (617) 451-0227 • Fax (617) 423-2952 • www.aemc.com REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...

  • Page 5: Description

    The Micro-Ohmmeter Model 5600 performs reliable low resistance measurements with test currents to 10 A and resolution to one micro-ohm. The Model 5600 uses a four-wire Kelvin bridge method, which eliminates test lead resistance for a measurement accuracy of 0.25%. A reverse polarity switch compensates for the effect of DC voltage interference on the accuracy and permits reading averaging.

  • Page 6: Specifications

    6 mm (min) spade lugs Two high interrupting capacity, 8 A, 380 V, Display: 2000 count, 7 segment LCD 1-1/4" x 1/4" REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...

  • Page 7: Calibration Procedure

    • Select the negative current and make sure that the reading is between 996 and 1004 mΩ. • Check all the others ranges; accuracy = 0.5% max. REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 8 102 mΩ 1000 mΩ 994 mΩ 1006 mΩ Ω 20Ω 1Ω 0.98Ω 1.02Ω 10Ω 9.94Ω 10.06Ω 200Ω 10Ω 9.8Ω 10.2Ω 100Ω 99.4Ω 100.6Ω REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...

  • Page 9: Board Maintenance And Repair

    S1 is pressed. Outputs Q and Q trigger opening and closing coils of the residual bi-stable relay K1. + Batt START STOP REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 10 Z5. To start the instrument press S1 twice (first pressing will set back Z5 properly). 1st Level 2nd Level V BATT "LOW" "EXTINCTION" 4.5 V CR23 FLASHES STOP REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 11 Measurement E > Timing Extinction impossible since stays on 1. Timing Stays On Automatic Stop REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 12 VR6 = VR8 = 100mV. In fact R11 = R8 and iR11 = iR8 so VR11 = VR8 + 100mV = Ref. (for VBAT + 6V) REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 13 Standard wiring of a display and a converter circuit A/N 7106 (Z14). Sections that light up have a contrary phase signal to ‘Back plane’ signal (pin 21 Z14) Z7 guides comas. REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 14 • To repair: timing control can be shortened connecting in parallel 470kΩ and R32 for instance. You will get a timing control of approx. 10s. REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 15 • Zero: Refer to VCR24 and VCR25 = 2.5V ± 0.1V. Check if R76 is out of order. • End of scale: Check if R98 is out or order. REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...

  • Page 16: Supply Board

    When overload occurs, once zeners conduction level is exceeded, triac transistor is triggered and then puts itself into short-circuit, this way helping F1 or F2 fuse to melt. REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 17 • Check to see that the thermostat is not close to ambient temperature, preventing the current from flowing. • Check connections to principal board. REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...

  • Page 18: Main Board

    20 % 63 V POLYEST 524296F27 C 28 20 % 63 V POLYEST 524296F27 C 29 20 % 63 V POLYEST 524296F27 REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 19 BA 159 REDRES. 1 A 1 kV 300 ns 524541C00 CR 18 DIODE BA 159 REDRES. 1 A 1 kV 300 ns 524541C00 REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 20 0.2 % Shunt MANGAN 681312A94 5.6 Ω R0 03 6.9W WOUND 523043E00 1 Ω R0 04 SHUNT 0,2 % Shunt MANGAN 676116C00 REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 21 R/UTE-RC2T1MJ 521823Z00 1 MΩ R0 38 1/4 W C.CARBO R/UTE-RC2T1MJ 521823Z00 1 MΩ R0 39 1/4 W C.CARBO R/UTE-RC2T10KJ 521779K00 10 kΩ REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 22 R0 72 1/8 W 50 ppm C.METAL R/UTE-RS58Y1KF 523087T17 1 kΩ R0 73 1/8 W 50 ppm C.METAL R/UTE-RS58Y221KF 523921T00 221 kΩ REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 23 1/4 W C.CARBO R/UTE-RC2T100UJ 521779E00 R 106 1.5 W C.CARBO R/UTE-RC2T100UJ 521779E00 10 kΩ R 107 1.5 W C.CARBO R/UTE-RC2T100UJ 521779E00 10 kΩ REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 24 CR 202 DIODE BZX55C8 2V ZENER 8.2 V 0.5 W 522754M00 CR 203 DIODE BZX55C8 2V ZENER 8.2 V 0.5 W 522754M00 REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 25 R 303 1/4 W C.CARBO 523321Y00 3.3 Ω R 304 1/4 W C.CARBO 523321Y00 3.3 Ω R 305 1/4 W C.CARBO 523321Y00 REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 26 R 401 40 W WOUND 524260E00 1.2 Ω R 402 40 W WOUND 524260E00 1.2 Ω R 403 40 W WOUND 524260E00 REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 27                     S301 Z301 Q302 REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 28                       REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 29                 REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...
  • Page 30 R101 R106 GAIN R107 BALANCE R108 BEGINNING J/ Z11 OF SCALE J/ Z9 J/ Z4 J/ Z2 J/ Z5 J/ Z15 R105 REVISION 7: June 11, 1999 FILE LOCATION: E.F. Disk - Manuals - Cal. Man. - Model 5600.DOC 10/27/99...