User manual

2 ALT-A02/PLT-A01-BA-e-1310
GB
KERN ALT-A02 / PLT A01
Version 1.0 01/2013
Operating instructions
Set for density determination for analytical and precision
balances KERN ALT-B,PLT-A, PLT-F, ALS-A / ALJ-A, PLS-A /
PLJ-A, PLS-F / PLJ-F, PLE-N
Contents:
1 INTRODUCTION ............................................................................................................................ 3
1.1 SCOPE OF DELIVERY ................................................................................................................. 4
2 PRINCIPLE OF DENSITY DETERMINATION ............................................................................... 5
2.1 INFLUENCING MAGNITUDES AND ERROR SOURCES ...................................................................... 6
3 HOW TO PREPARE THE WEIGHING BALANCE ........................................................................ 7
4 INSTALLING THE DENSITY DETERMINATION SET .................................................................. 8
5 DENSITY DETERMINATION OF SOLIDS ................................................................................... 10
5.1 BALANCES WITH GRAPHIC DISPLAY (KERN ALT-B, PLT-A, PLT-F) .......................................... 13
5.2 BALANCES WITH LCD DISPLAY (KERN ALS-A / ALJ-A, PLS-A / PLJ-A, PLS-F / PLJ-F, PLE-N)
17
6 DETERMINING DENSITY OF LIQUIDS ...................................................................................... 20
6.1 BALANCES WITH GRAPHIC DISPLAY (KERN ALT-B, PLT-A, PLT-F) .......................................... 21
6.2 BALANCES WITH LCD DISPLAY (KERN ALS-A / ALJ-A, PLS-A / PLJ-A, PLS-F / PLJ-F, PLE-N)
25
7 PRECONDITIONS FOR PRECISE MEASUREMENTS............................................................... 28
7.1 CALCULATION OF RESULTS ..................................................................................................... 28
7.2 INFLUENCE FACTORS FOR MEASUREMENT ERRORS ................................................................. 28
7.2.1 Air bubbles ....................................................................................................................... 28
7.2.2 Temperature .................................................................................................................... 28
7.2.3 Solid matter sample ......................................................................................................... 29
7.2.4 Liquids .............................................................................................................................. 29
7.2.5 Surface ............................................................................................................................. 29
7.3 GENERAL INFORMATION .......................................................................................................... 29
7.3.1 Density / Relative Density ................................................................................................ 29
7.3.2 Drift of Balance Display ................................................................................................... 29
8 DENSITY TABLE FOR LIQUIDS ................................................................................................. 30
9 USER INSTRUCTIONS ................................................................................................................ 31