Kern & Sohn GmbH ABS Escala
Fabricante:
Modelo:
ABS
Data:
Categoria:
Grupo:
Descrição:
Analytical Balance
Manual de serviço
Tipo de manual:
Manual de serviço
Páginas:
59
Tamanho:
1.77 Mbytes (1856803 Bytes)
Idioma:
english
Revisão:
2.1
ID de manual:
ABS/ABJ-SH-e-0921
Data:
Qualidade:
Documento eletrônico, digitalização, bem legível.
Data de upload:
24 Fevereiro 2018
MD5:
883fc7b0f2f165b3e1ed8bb109925ad1
Downloads:
536

Informação

1. SERVICE MENU ... 1.1 How to enter the service menu mode ... 1.2 Contents of the service menu mode ... 1.2.1 Model name ... 1.2.2 Unloading the built-in weight ... 1.2.3 Loading/Unloading the built-in weight ... 1.2.4 Linear adjustment ... 1.2.5 Inputting the weight values for linear adjustment ... 1.2.6 Software version No ... 1.2.7 Print out the non-volatile RAM data ... 1.2.8 Inputting the external weight value used for the calibration of the built-in weight value. ... 1.2.9 Calibration of the built-in weight value ... 1.2.10 Editing the non-volatile RAM data ... 10 2. HOW TO INSPECT THE UNIT ASSY ... 11 3. INSPECTION/REPLACEMENT OF THE FULCRUM SPRING, LOAD SPRING, AND PARALLEL GUIDE ... 13 3.1 How to dismount the unit assy ... 13 3.2 Inspection and replacement of the fulcrum spring, load spring, and parallel guide ... 13 4. PART REPLACEMENT ... 17 4.1 Replacement of the power board assy ... 17 4.2 Replacement of the digital board assy ... 17 4.3 Replacement of the analog board assy ... 17 4.4 Replacement of the detector assy ... 18 4.5 Replacement of the switch panel ... 1 5. ASSEMBLING THE CASE ASSY ... 19 6. BALANCE6.1 ADJUSTMENT ... 20 Adjustment procedure of the balance ... 20 How to turn ON the power while avoiding automatic span calibration (With ABJ series only) ... 21 Height adjustment of the detector ASSY ... 21 Adjustment of the shake protector ... 21 Mechanical balance and level adjustment ... 22 Rough adjustment of the eccentric error ... 23 Adjustment of the built-in weight loader mechanism (With the ABJ series only) ... 23 Fine adjustment of eccentric error ... 24 Linearity adjustment ... 25 Setting the ERROR CHECK ON/OFF ... 25 7. PERFORMANCE CHECK OF THE BALANCE ... 26 7.1 Environment and conditions for checking the balance ... 26 7.2 Repeatability check ... 26 7.3 Eccentric error check ... 27 7.4 Linearity inspection ... 27 8. PART LIST ... 30 9. TROUBLESHOOTING ... 34 9.1 List of troubles ... 34 9.2 Countermeasures for each trouble ... 34 9.2.1 “CAL E2” ... 34 9.2.2 “CAL E3” ... 35 9.2.3 “CAL E4” ... 36 9.2.4 “CAL d” ... 36 9.2.5 “Err 01” ... 37 9.2.6 “Err 04” ... 37 9.2.7 “Err 05” ... 3 Checkpoints9.3.1 Span calibration (CAL) time is long. ... 37 Display is abnormal ... 38 The span points disperse whenever span calibration by using the built-in weight is performed ... 38 “A CAL” appears frequently ... 38 The display deviates after stability mark (→) appears ... 39 Some sound is heard from the balance ... 39 Nothing appears on the display ... 40 The switches on the front panel do not work ... 40 The display becomes unstable when something is loaded on the pan ... 40 Dispersion, fluctuation, zero drift, and poor return of zero point ... 41 ... 41 Detector assy position ... 41 Leak and disconnection of the coil assy ... 41 Display when the power is turned ON ... 41 Temperature sensor signal check ... 42 Dispersion of span calibration ... 43 Dispersion, fluctuation, zero drift, and poor return of zero point ... 43 10. PRINCIPLE OF MEASUREMENT ... 45 10.1 Magnet coil current value ... 45 10.2 Temperature correction of the current value of electromagnetic coil ... 45 10.2.1 Temperature correction by the electric circuit ... 45 10.2.2 Temperature correction by software ... 45 10.3 Linearity correction ... 46 10.4 Span calibration ... 4

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