Table of contents
1 Technical data ............................................................................................ 4
1.1 Read-off of the various weighing units ........................................................................... 10
1.2 Weighing unit conversion charts ..................................................................................... 11
2 Fundamental information (general) ........................................................ 12
2.1 Intended use ....................................................................................................................... 12
2.2 Inappropriate use ............................................................................................................... 12
2.3 Guarantee............................................................................................................................ 12
2.4 Monitoring the test substances ........................................................................................ 13
3 Fundamental safety information ............................................................. 13
3.1 Observe the information in the operating instructions .................................................. 13
3.2 Staff training ....................................................................................................................... 13
4 Transport and storage ............................................................................. 13
4.1 Acceptance check .............................................................................................................. 13
4.2 Packaging / return transport ............................................................................................. 13
5 Unpacking, installation and commissioning.......................................... 14
5.1 Place of installation, place of use .................................................................................... 14
5.2 Unpacking ........................................................................................................................... 15
5.2.1 Installation ............................................................................................................................ 15
5.2.2 List of items supplied ............................................................................................................ 15
5.2.3 Positioning the weighing plate ............................................................................................. 16
5.2.4 Serial draft shield installation ............................................................................................... 17
5.2.5 Draft shield installation – optional ........................................................................................ 18
5.2.6 Draft shield with glass sliding doors (only model KERN EW 120-4NM standard) .............. 18
5.3 Mains supply ...................................................................................................................... 19
5.4 Operation using a rechargeable battery (optional) ........................................................ 19
5.5 Connecting peripheral equipment .................................................................................... 20
5.6 Initial start-up ..................................................................................................................... 20
5.6.1 Power display ....................................................................................................................... 20
5.6.2 Bar graph display ................................................................................................................. 20
5.6.3 Stability indication ................................................................................................................ 21
5.6.4 Zero display on the balance ................................................................................................. 21
5.7 Adjustment.......................................................................................................................... 22
5.8 Adjusting ............................................................................................................................. 22
5.8.1 Adjusting with externall weight (only KERN EW-N) ............................................................. 22
5.8.2 Adjusting with internal weight (only KERN EG) ................................................................... 22
5.8.3 Adjusting with external weight (only KERN EW) .................................................................. 24
5.9 Verification .......................................................................................................................... 26
5.10 Verification switch and official seal ................................................................................. 27
6 Operation .................................................................................................. 28
6.1 Operating elements ............................................................................................................ 28
6.1.1 Overview of the keypad ........................................................................................................ 29
6.1.2 Overview of display .............................................................................................................. 30
6.2 Operation ............................................................................................................................ 31
6.2.1 Weighing .............................................................................................................................. 31
6.2.1.1 Underfloor weighing ............................................................................................................................ 32
6.2.1.2 Tare weighing (tare) ........................................................................................................................... 33
