KERN EW Serie Betriebsanleitung Seite 62

GB
Table of contents
1 Technical data ............................................................................................ 4
1.1 Read-off of the various weighing units ............................................................................. 9
1.2 Weighing unit conversion charts ..................................................................................... 10
2 Fundamental information (general) ........................................................ 11
2.1 Intended use ....................................................................................................................... 11
2.2 Inappropriate use ............................................................................................................... 11
2.3 Guarantee............................................................................................................................ 11
2.4 Monitoring the test substances ........................................................................................ 12
3 Fundamental safety information ............................................................. 12
3.1 Observe the information in the operating instructions .................................................. 12
3.2 Staff training ....................................................................................................................... 12
4 Transport and storage ............................................................................. 12
4.1 Acceptance check .............................................................................................................. 12
4.2 Packaging / return transport ............................................................................................. 12
5 Unpacking, installation and commissioning.......................................... 13
5.1 Place of installation, place of use .................................................................................... 13
5.2 Unpacking ........................................................................................................................... 14
5.2.1 Installation ............................................................................................................................ 14
5.2.2 List of items supplied ............................................................................................................ 14
5.2.3 Positioning the weighing plate ............................................................................................. 15
5.2.4 Serial draft shield installation ............................................................................................... 16
5.2.5 Draft shield installation – optional ........................................................................................ 17
5.2.6 Draft shield with glass sliding doors (only model KERN EW 120-4NM standard) .............. 17
5.3 Mains supply ...................................................................................................................... 18
5.4 Operation using a rechargeable battery (optional) ........................................................ 18
5.5 Connecting peripheral equipment .................................................................................... 19
5.6 Initial start-up ..................................................................................................................... 19
5.6.1 Power display ....................................................................................................................... 19
5.6.2 Bar graph display ................................................................................................................. 19
5.6.3 Stability indication ................................................................................................................ 20
5.6.4 Zero display on the balance ................................................................................................. 20
5.7 Adjustment.......................................................................................................................... 21
5.8 Adjusting ............................................................................................................................. 21
5.8.1 Adjusting with externall weight (only KERN EW-N) ............................................................. 21
5.8.2 Adjusting with internal weight (only KERN EG) ................................................................... 21
5.8.3 Adjusting with external weight (only KERN EW) .................................................................. 23
5.9 Verification .......................................................................................................................... 25
5.10 Verification switch and official seal ................................................................................. 26
6 Operation .................................................................................................. 27
6.1 Operating elements ............................................................................................................ 27
6.1.1 Overview of the keypad ........................................................................................................ 28
6.1.2 Overview of display .............................................................................................................. 29
6.2 Operation ............................................................................................................................ 30
6.2.1 Weighing .............................................................................................................................. 30
6.2.1.1 Underfloor weighing ............................................................................................................................ 31
6.2.1.2 Tare weighing (tare) ........................................................................................................................... 32
2
KERN EW/EG-N
Version 2.9 2018-03
Operating instruction
Precision balances
EW/EG-N-e-1829