Section 3
Page 49
54400_maintain.fm
Unscheduled Maintenance
Figure 20
Removing the stir bar
3.2.2 Cleaning the Instrument Enclosure
With the enclosure securely latched, use a soft cloth and a mild
detergent to wipe the outside of the enclosure. Do not allow moisture to enter
the enclosure.
3.2.3 Cleaning the Colorimeter
The colorimeter measuring cell may collect sediment or develop a film growth
on the inside walls. Cleaning with an acid solution and a cotton swab on a
monthly basis is recommended. Depending on sample conditions, it may be
necessary to clean the cell more often.
CAUTION
The chemicals used in this
procedure may be hazardous if
inappropriately handled or
accidentally misused. Please
read all warnings on the reagent
labels. Protective eye wear is
always recommended when
contact with chemicals is
possible.
CUIDADO
Les produits chimiques utilisés dans cette procédure peuvent être dangereux
s´ils sont maniés d'une manière inapproprié ou mal utilisés par mégarde. Prière
de lire toutes les mises en garde apparaissant sur les étiquettes des réactifs. Il
est toujours recommandé de porter des lunettes de protection lorsqu'un contact
avec les produits chimiques est possible.
PRUDENCE
Los productos químicos utilizados en este procedimiento pueden ser peligrosos
si se manejan inadecuadamente o se emplean mal accidentalmente. Tenga a
bien leer todas las advertencias en las etiquetas de los reactivos. Siempre se
recomienda el uso de protectores oculares cuando sea posible el contacto con
productos químicos.
EXIT
ENTER
Chlorine
mg/L
µg/L
µg/L
Alarm
s
MENU
!
IP 62
GND
F1
F2
50 / 60Hz
AC
Vo
ltag
e
Fuse
F1 & F2
115V / 230
V
T, 2.5A
250V
BLK 1
+
WHT 2
GND
RE
CO
RD
ER
RE
LA
YS
A
C
P
O
W
E
R
CA
UTIO
N
ATTENTION
: F
OR
US
E IN
A C
ON
TR
OL
LE
D
EN
VIR
ON
ME
NT
. R
EF
ER
TO
MA
NU
AL
FO
R E
NV
IRO
NM
EN
TA
L C
ON
DIT
ION
S.
: E
N C
AS
D’U
TIL
ISA
TIO
N E
N
AT
MO
SP
HE
RE
CO
NT
RO
LE
E,
CO
NS
UL
TE
R
LA
NO
TIC
E T
EC
HN
IQU
E.
COM
NO
NC
1
2
3
COM
NO
NC
1
1
2
2
3
3
#1
#2
EXIT
ENTER
Chlorine
mg/L
µg/L
µg/L
Alarm
s
MENU
!
IP 62
GND
F1
F2
50 / 60Hz
AC
Vo
ltag
e
Fuse
F1 & F2
115V / 230
V
T, 2.5A
250V
BLK 1
+
WHT 2
GND
RE
CO
RD
ER
RE
LA
YS
A
C
P
O
W
E
R
CA
UTIO
N
ATTENTION
: F
OR
US
E IN
A C
ON
TR
OL
LE
D
EN
VIR
ON
ME
NT
. R
EF
ER
TO
MA
NU
AL
FO
R E
NV
IRO
NM
EN
TA
L C
ON
DIT
ION
S.
: E
N C
AS
D’U
TIL
ISA
TIO
N E
N
AT
MO
SP
HE
RE
CO
NT
RO
LE
E,
CO
NS
UL
TE
R
LA
NO
TIC
E T
EC
HN
IQU
E.
COM
NO
NC
1
2
3
COM
NO
NC
1
1
2
2
3
3
#1
#2
Remove the plug
from the top hole
of the colorimeter.
Gently insert a straightened paper
clip into the hole, at the top of the
colorimeter, and slowly pull out the stir bar.
Colorimeter Assembly
Содержание 54400-18
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