Senseca ECO 420 Handleiding

Senseca Niet gecategoriseerd ECO 420

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OPERATING MANUAL

ECO 420 series

Compact CO

monitor

with alarm

B-H90.0.0X.DK2-4.1

ECO 420 series - Compact CO2 monitor with alarm 
Table of contents 
   
B-H90.0.0X.DK2-4.1    Page 2 of 26 
Table of contents 
About this documentation .......................................................................................................4 
1  Foreword ................................................................................................................................................ 4 
2  Legal notices.......................................................................................................................................... 4 
3  Further information ........................................................................................................................... 4 
Safety ..............................................................................................................................................5 
1  Explanation of safety symbols ....................................................................................................... 5 
2  Foreseeable misuse ............................................................................................................................ 5 
3  Safety instructions .............................................................................................................................. 7 
4  Intended use ......................................................................................................................................... 7 
5  Qualied personnel ............................................................................................................................ 7 
The device at a glance ................................................................................................................8 
1  Display elements ................................................................................................................................. 8 
2  Connections .......................................................................................................................................... 8 
3  Operating elements ........................................................................................................................... 9 
Operation ................................................................................................................................... 10 
1  Opening the conguration menu ............................................................................................... 10 
2  Call-up of the expanded settings menu ................................................................................... 12 
Measurement Basics ............................................................................................................... 13 
1  NDIR CO
2
 sensor ............................................................................................................................. 13 
1.1  Explanation ....................................................................................................................... 13 
1.2  Design ................................................................................................................................. 13 
1.3  Measurement stability ................................................................................................. 13 
2  Alarms .................................................................................................................................................. 14 
3  Special functions .............................................................................................................................. 14 
3.1  8 hour average value TWA („time-weighted-average”) ................................... 14 
3.2  15 minute average value STEL („short-term exposure limit”) ....................... 14 
Operation and maintenance ................................................................................................. 15 
1  Operating and maintenance notices ........................................................................................ 15 
2  CO
2
 calibration ................................................................................................................................. 15 
2.1  1-point adjustment ........................................................................................................ 16 
2.2  2-point adjustment ........................................................................................................ 16 