Hach CL17 User Manual

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.
E
XIT
ENTER
Chlorine
mg/L
µg/Lµg/L
Alarm
s
MENU
!
IP 62
GND
F1
F2
50 / 60Hz
ACVoltage
Fuse
F1 & F2
115V / 230V
T,2.5A
250V
BLK 1
+
WHT 2
GND
R
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ATTENTION
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2
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#1
#2
E
XIT
ENTER
Chlorine
mg/L
µg/Lµg/L
Alarm
s
MENU
!
IP 62
GND
F1
F2
50 / 60Hz
ACVoltage
Fuse
F1 & F2
115V / 230V
T,2.5A
250V
BLK 1
+
WHT 2
GND
R
E
C
O
R
D
E
R
R
E
L
A
Y
S
A
C
P
O
W
E
R
CAUTIO
N
ATTENTION
:F
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R
U
S
E
IN
A
C
O
N
T
R
O
L
L
E
D
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N
V
IR
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M
E
N
T
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R
TO
M
A
N
U
A
L
F
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E
N
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COM
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1
2
3
COM
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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

Hach CL17 Specifications

General

Power Requirements	100-240 V AC, 50/60 Hz
Outlet Pressure	Atmospheric
Measurement Method	Colorimetric DPD method
Sample Interval	2.5 minutes
Operating Temperature	5 - 40 °C (41 - 104 °F)
Parameter	Free or Total Chlorine
Operating Humidity	5 - 95% non-condensing
Sample Temperature	0 to 40°C (32 to 104°F)
Sample Flow Rate	200 to 500 mL/min
Power Consumption	Approximately 50 W
Output	4-20 mA, RS-232
Relays	Two relays
Enclosure	NEMA 4X
Resolution	0.01 mg/L
Accuracy	±5% or ±0.03 mg/L (whichever is greater)