Buchi K-437 - Functional principle of the COD Accessory; Controls of the Digest System

4 Description of function
15 K-437 Operation Manual, Version A
4.2 Functional principle of the COD Accessory
The COD Accessory is suitable for the digestion
of samples for a following COD determina-
tion. The digestion is followed by colorimetric
determination or photometric determination.
Application parameters are listed in official
methods or in the BUCHI Application Note
“COD determination”.
Fig. 4.2: Overview of the COD Accessory
4.3 Controls of the Digest System
2
4
3
1
6
5
a Indicator light for heating
b Start/Stop button
c Temp/Time button
d Arrow buttons
e Enter button
f Main switch
Fig. 4.3: Controls of the Digest System
4.4 Rear connections of the Digest System
1
2
a Mains supply with fuse
b Mains socket for Scrubber
Fig. 4.4: Rear connections of the Digest System