wtw OxiTop C, Руководство по эксплуатации

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OxiTop
®
Control OC 100 Operating mode: BOD Standard / BOD Routine
ba31114e06 06/2012
19
5 Operating mode: BOD Standard / BOD Rou-
tine
The BOD Standard mode (parallel sample process for up to 12 measuring
heads per overall sample) is preset in the delivery condition of the controller.
To change to the BOD Routine operating mode (single samples): see section
7.4.1 O
PERATING MODE
, page 40.
The handling of controller and measuring heads is basically the same in both
operating modes.Where there are differences for the
BOD Routine operating
mode they are described.
5.1 Sample preparation
See application reports.
Screw the OxiTop
®
-C measuring heads onto the BOD bottles and
close them tightly.
NOTE
Never use joint grease or other lubricant for your OxiTop
®
-C measuring
heads. Some of these products contain solvents that can cause severe
damage to the plastic housing of the measuring head. The sealing of the
BOD bottles is also perfectly adequate without grease. However, you
should always wipe off heavy contamination and particles on the sealing
surfaces of the rubber sleeves and OxiTop
®
-C. WTW accepts no liability
for damage due to the use of joint grease.
5.2 Starting the measurement
SELECT ACTION menu (commu-
nication with the measuring
heads):
Preselected:
- Start sample .
(In BOD Routine mode appears:
 START ).
Select the measuring range with
<  ><  > .
The filling volume required is
given in the right hand column.
The controller stores the setting
(memory function: the last
selected measurement range is
set).
RUN/ENTER