wtw 208210, Инструкция по эксплуатации

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Cleaning / Battery replacement
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Cleaning
Cleaning of sample bottles
Do not use disinfectants!
(Disinfectants will kill the required microorganisms!)
Remove gross contaminations mechanically, e.g. with a brush .
Rinse the bottles with clear water or with water of the next sample .
(After using detergents rinse thoroughly! Detergent residues may disturb the BOD
5
determination!)
Cleaning of the OxiTop

Single Measuring System
Do not use alcohol or acetone!
Clean with a soft cloth and aqueous soap solution
Battery replacement (approx. every 3 years)
-
Push in spring catch.
-
Open upper lid.
-
Remove batteries.
-
Put in new batteries, pay attention to polarity!
(e.g. WTW-Modell Batt/Oxitop

 

, Order No. 209 012).
- Place upper lid with tap on locking pin (lower lid). Attention! Do not squeeze cable
connection.
-
Close upper lid (make the hook click).
Disposal note:
Please dispose of the lithium batteries at a battery collection point.