Camlab Water CW2050 Руководство - Страница 2

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Camlab CW2050 Chloride
2/5/06
3:21 pm
Calibration mode
Mode
Press MODE key and keep it depressed .
Mode
On
Switch unit on using ON/OFF key.
Release MODE key after approx. 1 second.
Off
CAL
The display shows the following in alternating mode:
r1
Zero
Perform zero calibration (see "Operation").
Zero
Press the ZERO/TEST key.
Test
Test
M E T H O D
M E T H O D
The method symbol flashes for approx. 3 seconds.
0.0.0
The display shows the following in alternating mode:
CAL
Place the calibration standard to be used in the sample
Zero
chamber with the ∆ and ∇ marks aligned.
Zero
Test
Test
Press the ZERO/TEST key.
M E T H O D
M E T H O D
The method symbol flashes for approx. 3 seconds.
R E S U L T
R E S U L T
The result is shown in the display, alternating with CAL.
CAL
If the result displayed corresponds with the value of the
calibration standard (within the tolerance quoted), exit
calibration mode by pressing the ON/OFF key.
Otherwise, pressing the MODE key once increases the
Mode
Mode
displayed value by 1 digit.
Pressing the ZERO/TEST key once decreases the
Zero
Zero
Test
displayed value by 1 digit.
Test
CAL
Pressing the relevant key until the displayed value equals
the value of the calibration standard.
R E S U L T + x
R E S U L T + x
On
By pressing the ON/OFF key, the new correction factor
is calculated and stored in the user calibration software.
Off
:
:
Confirmation of calibration (3 seconds).
Note
It is not necessary to make a calibration of the r2-range as the
software refer to the calibration of the r1-range.
Factory calibration active.
CAL
cAL
Calibration has been set by the user.
Recommended calibration value
Chloride:
between 10 and 20 mg/l Cl
Page 2
User calibration
Factory calibration
Zero
Zero
Mode
Mode
Test
Test
On
Off
SEL
CAL
SEL
cAL
Mode
Mode
SEL
CAL
On
Off
Bediener-Hinweise
E 10
E 70
E 71
Correct filling of the vial
–
: cAL
: CAL
The unit can be reset to delivery condition (factory
calibration) as follows:
Press MODE and ZERO/TEST together and hold
depressed .
Switch the unit on using the ON/OFF key. Release MODE
and ZERO/TEST keys after approx. 1 second.
The following messages appear in the display in
alternating mode:
The unit is in delivery condition.
(SEL stands for Select)
or:
The unit operates with a calibration performed by the
user. (If the user calibration is to be retained, switch the
unit off using the ON/OFF key.)
Factory calibration is activated by pressing the MODE
key. The following messages appear in alternating mode
in the display:
Switch the unit off using the ON/OFF key.
Calibration factor "out of range"
Factory calibration not OK / deleted
User calibration not OK / deleted
10 ml
10 ml
correct
wrong
Technical changes without notice
Printed in Germany 05/00
Camlab Water CW2050
Chloride Colorimeter
Reference CW/20.71.00
Choice, Service and Trust
camlab
Camlab Limited , Camlab House, Norman Way, Over
Cambridge CB4 5WE
Tel: 01954 233110 • Fax: 01954 233101
www.camlab.co.uk
Technical changes may occur without notice