ORBECO SC450 User manual

SC450
Single Parameter Colorimeter
Molybdate
For use with SC450-36

Declaration of CE-Conformity
Déclaration de conformité CE / CE -Declaración de conformidad
———————————————————————————————————————
Manufacturer / Fabricant / Fabricante:
Orbeco-Hellige, Inc. / 6456 Parkland Drive / Sarasota, FL 34243-4036 / U.S.A.
———————————————————————————————————————
Product name / Nom du fabricant / Nombre del productor:
SC450, Single Prarameter Colorimeter
———————————————————————————————————————
Declaration of EC-Conformity according to DIRECTIVE 2004/108/EG OF THE
EUROPEAN PARLIAMENT AND OF THE COUNCIL of 2004, December the 15th.
The manufacturer declares that this product meets the requirements of the
following product family standard:
Déclaration de conformité CE conformément à la DIRECTIVE 2004/108/CE DU
PARLEMENT EUROPÉEN ET DU CONSEIL du 15 décembre 2004. La fabricant
déclare que le produit est conforme aux exigences de la norme de famille de
produits suivante :
CE - Declaración de conformidad conforme a la NORMA 2004/108/ CE
DEL PARLAMENTO Y DEL CONSEJO EUROPEO del 15 de diciembre de 2004.
El fabricante declara, que este producto cumple con las exigencias de la
siguiente norma correspondiente a la familia de productos:
———————————————————————————————————————
EN 61326-1:2006
———————————————————————————————————————
Basic immunity test requirements (Table1) / Emission according to the
requirements for class B equipment
Conformément aux exigences fondamentales relatives aux essais d'immunité
(tableau 1) / Émissions parasites conformément aux exigences applicables aux
appareils de la classe B
De acuerdo a los requisitos básicos de verificación para la resistencia a
interferencias (tabla 1) / Emisión de interferencias conforme a las exigencias para
aparatos de clase B
Sarasota, FL. 01. November 2010 Bradley K. Martell, President

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SC450_V1_04/2011
Contents
CAUTION
The accuracy of the instrument is only valid if the instrument is used in an
environment with controlled electromagnetic disturbances according to DIN 61326.
Wireless devices, e.g. wireless phones, must not be used near the instrument.
General notes• ......................................................4
Guidelines for photometric measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Method notes .......................................................4
Replacement of batteries...............................................5
Functional description• ...............................................6
Operation ..........................................................6
Display backlight.....................................................7
Recall of stored data ..................................................7
Countdown ........................................................7
Methods• ..........................................................8
Molybdenum LR, with powder pack (Mo 1).................................8
Molybdenum HR, with powder pack (Mo 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Molybdenum, with tablet (Mo 3)........................................12
Menu options• .....................................................14
Menuselections....................................................14
Recall of stored data .................................................14
Transmittingstoreddata..............................................14
Settingdateandtime................................................15
Calibration Mode• ..................................................15
User calibration.....................................................15
Factory calibration reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Technical data• .....................................................18
Operatingmessages.................................................19
Errorcodes........................................................19

4SC450_V1_04/2011
General notes
Guidelines for photometric measurements
Vials, caps and stirring rods should be cleaned thoroughly1. after each analysis to prevent
interference. Even minor reagent residues can cause errors in the test result.
The outside of the vial must be clean and dry before starting the analysis. Clean the outside2.
of the vials with a towel to remove fingerprints or other marks.
Zero calibration and test must be carried out with the same vial as there may be slight3.
differences in optical performance between vials.
The vials must be positioned in the sample chamber for zeroing and test with the4. mark
on the vial aligned with the mark on the instrument.
Always perform zeroing and test with the vial cap tightly closed. Only use the cap with5.
a sealing ring.
Bubbles on the inside wall of the vial lead to incorrect measurements. To prevent this,6.
remove the bubbles by swirling the vial before performing the test.
Avoid spillage of water into the sample chamber because this can lead to incorrect test7.
results.
Contamination of the transparent cell chamber can result in incorrect readings. Check8.
at regular intervals and – if necessary – clean the transparent cell chamber using a moist
cloth or cotton swab.
Large temperature differences between the instrument and the environment can lead to9.
errors – e.g. due to the formation of condensation in the cell chamber or on the vial.
To avoid errors caused by stray light do not use the instrument in bright sunlight.10.
Always add the reagent tablets to the water sample straight from the foil without touch-11.
ing them with fingers.
The reagents must be added in the correct sequence.12.
Method notes
Prior to measurement ensure that the sample is suitable for analysis (no major interferences)•
and does not require any preparation i.e. pH adjustment, filtration etc.
Reagents are designed for use in chemical analysis only and should be kept well out of•
the reach of children.
Ensure proper disposal of reagent solutions.•
Material Safety Data Sheets are available on request•
(Internet: www.orbeco.com)

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SC450_V1_04/2011
General notes
Correct filling of the vial:
Replacement of batteries:
Correct position of the vial (Ø 24 mm):
CAUTION:
To ensure that the instrument is water proof:
seal ring (E) must be in position•
battery compartment cover (B) must be fixed with the four screws•
If the batteries are removed for more than one minute the date and time menu starts auto-
matically when the photometer is turned on the next time.
AAA/LR 03
AAA/LR 03
AAA/LR03
AAA/LR 03
(D) batteries
(E) seal ring
(C) notch
(F) instrument back
(B) battery compart-
ment cover
(A) screws

6SC450_V1_04/2011
Functional description
Operation
Turn the unit on using the [ON/OFF] key.
The display shows the following:
Select the required test using the [MODE] key.
Scroll Memory (SM)
To avoid unnecessary scrolling for the required test method, the instru-
ment memorizes the last method used before being turned off. When
the instrument is turned on again, the scroll list comes up with the last
used test method first.
The display shows the following:
Fill a clean vial with the water sample up to the 10 ml mark, screw
the cap on and place the vial in the sample chamber making sure that
the marks are aligned.
Press the [ZERO/TEST] key.
The "Method" symbol flashes for approx. 8 seconds.
The display shows the following:
After zero calibration is completed, remove the vial from the sample
chamber. The characteristic coloration appears after the addition of
the reagents.
Replace the cap on the vial and place in the sample chamber making
sure that the marks are aligned.
Press the [ZERO/TEST] key.
(For Countdown/reaction period see page 25)
The "Method" symbol flashes for approx. 3 seconds.
The result appears in the display.
The result is saved automatically.
Repeating the test:
Press the [ZERO/TEST] key again.
Repeating the zero:
Press the [ZERO/TEST] key for 2 seconds.
METHOD
METHOD
METHOD
RESULT
On
Off
Mode
Zero
Test
Zero
Test
Zero
Test
0.0.0
Zero
Test
METHOD

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SC450_V1_04/2011
Functional description
Display backlight
Press the [!] key to turn the display backlight on or off. The backlight
is turned off automatically during the measurement.
Recall of stored data
If the instrument is turned on, press the [!] key for more than
4 seconds to access the recall menu.
!
!
!
Countdown / reaction period
If a reaction period is included in a method a countdown function
can be used:
Press the [!] key and hold.
Press the [ZERO/TEST] key.
Release the [!] key; the countdown starts.
After the countdown is finished the measurement starts automati-
cally.
It is possible to interrupt the countdown by pressing the [ZERO/TEST]
key. Measurement starts immediately.
Caution:
An incomplete reaction period can lead to incorrect test
results.
Zero
Test

8SC450_V1_04/2011
Methods
Molybdenum LR with Powder Pack
0.03 – 3.0 mg/l Mo
Fill a clean Mixing Cylinder (25-ml) with 20 ml of the water sample.
Add the contents of one Molybdenum 1 LR F20 Powder Pack
straight from the foil into the water sample (20 ml).
Close the Mixing Cylinder tightly with a stopper and swirl several times
to dissolve the powder.
Use two clean vials (24 mm Ø) and mark one as blank for zeroing.
Fill each vial with 10 ml of pre prepared water sample.
Close the blank tightly with the cap.
Add 0.5 ml of Molybdenum 2 LR solution to the sample.
Close the vial tightly with the cap and invert several times to mix the
contents.
Wait for a reaction period of 2 minutes.
Place the blank in the sample chamber making sure that the marks
are aligned.
Press [ZERO/TEST] key.
The method symbol flashes for approx. 8 seconds.
Remove the vial from the sample chamber.
Place the sample in the sample chamber making sure that the marks
are aligned.
Press [ZERO/TEST] key.
The method symbol flashes for approx. 3 seconds.
The result is shown in the display in mg/l Molybdenum.
Tolerance:
0 –1 mg/l: ± 0.05 mg/l Mo
> 1 –3 mg/l: ± 0.10 mg/l Mo
Conversion:
mg/l MoO4= mg/l Mo x 1.67
mg/l Na2MoO6= mg/l Mo x 2.15
Mo 1
Tablet Powder
Zero
Test
Zero
Test
Mo 1
Tablet Powder
Mo 1
Tablet Powder
RESULT
Tablet Powder

9
SC450_V1_04/2011
Methods
Notes:
Strong alkaline or acidic water samples must be adjusted between pH 3 and pH 5 before1.
the reagent is added (use 0.5 mol/l Sulfuric acid resp. 1 mol/l Sodium hydroxide).
Before using clean the vials with Hydrochloric acid (approx. 20%). Rinse thoroughly with2.
deionized water.
Reagent re-order information
LR Molybdenum Reagent Set RS5450
Contains 1 each of the following:
Molybdenum 1 LR F20 Powder Packs, 100 ct. RP081-0
Molybdenum 2 Reagent LR, 50 ml L530820
For additional accessories, see page 19.

10 SC450_V1_04/2011
Methods
Molybdenum HR with Powder Pack
0.3 – 40 mg/l Mo
Fill a clean vial (24 mm Ø) with 10 ml of the water sample and
perform zero calibration (see “Operation").
Add the contents of one Molybdenum HR 1 F10 Powder Pack
straight from the foil into the water sample.
Close the vial tightly with the cap and swirl several times to dissolve
the powder.
Add the contents of one Molybdenum HR 2 F10 Powder Pack
straight from the foil to the same water sample.
Close the vial tightly with the cap and invert several times to mix the
contents.
Add the contents of one Molybdenum HR 3 F10 Powder Pack
straight from the foil to the same water sample.
Close the vial tightly with the cap and swirl several times to dissolve
the powder.
Place the vial in the sample chamber making sure that the marks
are aligned.
Wait for a reaction period of 5 minutes.
(Countdown can be activated, see page 25)
The method symbol flashes for approx. 3 seconds.
The result is shown in the display in mg/l Molybdenum.
Tolerance:
0 –30 mg/l: ± 2 mg/l Mo
> 30 –40 mg/l: ± 3 mg/l Mo
Conversion:
mg/l MoO4= mg/l Mo x 1.67
mg/l Na2MoO6= mg/l Mo x 2.15
!Zero
Test
Mo 2
Tablet Powder
Mo 2
Tablet Powder
0.0.0
Tablet Powder
RESULT
Tablet Powder

11
SC450_V1_04/2011
Methods
Notes:
Filter turbid water samples using filter paper and funnel before analysis.1.
Highly buffered water samples or extreme pH values should be adjusted to a pH of2.
nearly 7 with 1 mol/l Nitric acid or 1 mol/l Sodium hydroxide.
Concentrations above 10 mg/l Cu causes too high test values if the reaction time of 53.
minutes is increased. So it is very important to perform the test procedure as described.
Substances which may interfere when present in concentrations at:4.
Aluminum 50 mg/l
Chromium 1000 mg/l
Iron 50 mg/l
Nickel 50 mg/l
Nitrite all levels
Reagent re-order information
HR Molybdenum Reagent Set RS5300
Contains 1 each of the following:
Molybdenum HR1 10 ml Powder Packs, 100 ct. RP075-0
Molybdenum HR2 10 ml Powder Packs, 100 ct. RP076-0
Molybdenum HR3 10 ml Powder Packs, 100 ct. RP077-0
For additional accessories, see page 19.

12 SC450_V1_04/2011
RESULT
Tablet Powder
Molybdate with Tablet
0.6 – 30 mg/l Mo
Fill a clean vial (24 mm Ø) with 10 ml of the water sample and
perform zero calibration (see “Operation").
Remove the vial from the sample chamber and empty the vial.
Fill 20 ml of the water sample in a 100 ml beaker.
Add one MOLYBDATE HR No. 1 tablet straight from the foil to the
water sample and crush the tablet using a clean stirring rod.
Add one MOLYBDATE HR No. 2 tablet straight from the foil to the
same water sample and crush the tablet using a clean stirring rod.
Dissolve the tablets using a clean stirring rod.
Rinse out the vial with the prepared water sample and then fill to the
10 ml mark.
Close the vial tightly with the cap.
Place the vial in the sample chamber making sure that the marks
are aligned.
Press the [ZERO/TEST] key.
The method symbol flashes for approx. 3 seconds.
The result is shown in the display in mg/l
Molybdenum .
Tolerance:
0 –15 mg/l: ± 1.0 mg/l Mo
> 15 –30 mg/l: ± 1.5 mg/l Mo
Conversion:
mg/l MoO4= mg/l Mo x 1.67
mg/l Na2MoO6= mg/l Mo x 2.15
Methods
0.0.0
Tablet Powder
Mo 3
Tablet Powder
Mo 3
Tablet Powder
Zero
Test

13
SC450_V1_04/2011
Notes:
The tablets must be added in the correct sequence.1.
Under test conditions (pH 3.8 – 3.9) iron does not interfere nor do other metals at levels2.
likely to be found in industrial water systems.
Methods
Reagent re-order information
Molybdate Reagent Set RS3060
Contains 1 each of the following:
Molybdate HR No. 1 Tablet, 100 ct. RT306-0
Molybdate HR No. 2 Tablet, 100 ct. RT307-0
For additional accessories, see page 19.

14 SC450_V1_04/2011
Menu options
Menu selections
Press the [MODE] key and hold.
Turn the unit on using the [ON/OFF] key.
Allow the 3 decimal points to be displayed before releasing the
[MODE] key.
The [!] key allows for selection of the following menu points:
1 diS recall stored data
1 Prt printing stored data
2
3setting the date and time
Cal user calibration
1diS – Recall of stored data
After confirming the selection with the [MODE] key the photometer
shows the last 16 data sets in the following format (automatically
proceeds every 3 seconds until result is displayed):
Number n xx (xx: 16...1)
Year YYYY (e.g. 2010)
Date mm.dd (monthmonth:dayday)
Time hh:mm (hourhour:minuteminute)
Test Method
Result x,xx
The [ZERO/TEST] key repeats the current data set.
The [MODE] key scrolls through all stored data sets.
Quit the menu by pressing [!] key.
1Prt – Transmitting stored data (to Printer or PC)
Note: To print data, or to transmit to a PC, the optional IRiM (Infrared
Interface Module) is required.
The IRiM Module and the connected printer/PC must be ready. Press
the [MODE] key to start the transmitting, the instrument displays
“PrtG” (Printing) for approx. 1 second followed by the number of the
first data set and its transmission. All data sets will be transmitted one
after the other. After finishing the instrument returns to test mode.
The print job can be cancelled by pressing the [On/Off] key. The
instrument turns off.
If the instrument is not able to communicate with the IRiM, a timeout
On
Off
On
Off
Mode
!
!
Mode
Mode
Zero
Test
PrtG
Store Date
Print Time
2
1
Cal
diS
1
Store Date
Print Time
Prt
1
Store Date
Print Time

15
SC450_V1_04/2011
Menu options – Calibration Mode
CAL
METHOD
0.0.0
METHOD
METHOD
CAL
Cal User calibration
Note :
user calibration (Display in calibration mode)
factory calibration (Display in calibration mode)
After confirming the selection with the [MODE] key the instrument will
show CAL/"Method".
Scroll through methods using the [MODE] key.
Fill a clean vial with the standard up to the 10 ml mark, screw the
cap on and place the vial in the sample chamber making sure that
the marks are aligned.
Press the [ZERO/TEST] key.
The method symbol flashes for approx. 8 seconds.
The display shows the following in alternating mode:
Perform calibration with a standard of known concentration (see
"Operation").
Press the [ZERO/TEST] key.
The method symbol flashes for approx. 3 seconds.
CAL
cAL
Zero
Test
Zero
Test
Cal
Store Date
Print Time
Mode
!
SET
DATE
YYYY
(2 sec.)
Mode
2Setting date and time (24-hour-format)
After confirming the selection with the [MODE] key the value to be
edited will be shown for 2 sec.
The setting starts with the year (YYYY) followed by the actual value to
be edited. The same applies for month (mm), day (dd), hour (hh) and
minutes (mm). Set the minutes first in steps of 10, press the [!] key to
continue setting the minutes in steps of 1.
Increase the value by pressing the [MODE] key.
Decrease the value by pressing [ZERO/TEST] key.
Proceed to the next value to be edited by pressing [!] key.
After setting the minutes and pressing the [!] key the display will show
“IS SET” and the instrument returns to the measurement mode.
Zero
Test
E 132 occurs after approx. 2 minutes. The error E 132 is displayed for ap-
prox. 4 seconds. Subsequently, the instrument returns to test mode
(see also IRiM manual).
2
Store Date
Print Time

16 SC450_V1_04/2011
Calibration Mode
CAL
RESULT + x
CAL
The result is shown in the display, alternating with CAL.
If the reading corresponds with the value of the calibration standard
(within the specified tolerance), exit calibration mode by pressing the
[ON/OFF] key.
Changing the displayed value:
Pressing the [MODE] key once increases the displayed value by 1 digit.
Pressing the [ZERO/TEST] key once decreases the displayed value by
1 digit.
Press the corresponding key until the reading equals the value of the
calibration standard.
By pressing the [ON/OFF] key, the new correction factor is calculated
and stored in the user calibration software.
Confirmation of calibration (3 seconds).
Mode
On
Off
Zero
Test
: :
RESULT

17
SC450_V1_04/2011
cAL
SEL
SEL
CAL
CAL
SEL
Factory calibration reset
Resetting the user calibration to the original factory calibration will
reset all methods and ranges.
A user calibrated method is indicated by a "Cal" symbol while the test
result is displayed.
To reset the calibration press both the [MODE] and [ZERO/TEST] key
and hold.
Turn the unit on using the [ON/OFF] key.
Release the [MODE] and [ZERO/TEST] keys after approx. 1 second.
The following messages will appear in turn on the display:
The factory setting is active.
(SEL stands for Select)
or:
Calibration has been set by the user.
(If the user calibration is to be retained, turn the unit off using the
[ON/OFF] key).
Calibration is reset to the factory setting by pressing the [MODE] key.
The following messages will appear in turn on the display:
Turn the unit off using the [ON/OFF] key.
Mode
On
Off
Mode
On
Off
Calibration Mode
Zero
Test
RESULT
Cal
Store Date
Print Time

18 SC450_V1_04/2011
Technical Data
Technical Data
Instrument double wavelength, automatic wavelength selection,
direct reading colorimeter
Light source: LEDs, interference filters (IF) and photosensor in transparent
cell chamber. Wavelength specifications of the IF:
430 nm = 5 nm
610 nm = 6 nm
Wavelength accuracy ± 1 nm
Photometric accuracy* 3% FS (T = 20° C – 25° C)
Photometric resolution 0.01 A
Power supply 4 batteries (AAA/LR 03)
lifetime: approx. 17 hours or 5000 tests
Auto-OFF automatically turns off
15 minutes after last keypress
Display backlit LCD (on keypress)
Storage internal ring memory for 16 data sets
Interface IR interface for data transfer
Time real time clock und date
Calibration user and factory calibration
resetting to factory calibration possible
Dimensions 155 x 75 x 35 mm (LxWxH)
Weight approx. 260 g (incl. batteries)
Ambient conditions temperature: 5– 40°C
rel. humidity: 30–90% (non-condensing)
Waterproof floating; as defined in IP 68 (1 hour at 0.1 meter)
CE Certificate for Declaration of CE-Conformity
at www.orbeco.com
*measured with standard solutions
To ensure maximum accuracy of test results, always use the reagent systems supplied by
the instrument manufacturer.

19
SC450_V1_04/2011
Operating messages
Measuring range exceeded or excessive turbidity.
Result below the lowest limit of the measuring range.
Replace batteries, no further tests possible.
Battery capacity is too low for the display backlight;
measurement is still possible.
A user calibrated method is indicated by a "Cal" symbol while the test
result is displayed. (see "Factory calibration reset").
Error codes
Light absorption too great. Reasons: e.g. dirty optics.
Calibration factor "out of range"
Too much light reaching the detector.
Too much light reaching the detector.
Battery capacity was too low during measurement. Change battery.
Mo 1 (Powder Pack, LR): Factory calibration incorrect / erased
Mo 1 (Powder Pack, LR): User calibration incorrect / erased
Mo 2 (Powder Pack, HR): Factory calibration incorrect / erased
Mo 2 (Powder Pack, HR): User calibration incorrect / erased
Mo 3 (Tablet): Factory calibration incorrect / erased
Mo 3 (Tablet): User calibration incorrect / erased
Instrument accessory information
IRiM MC500-60
24 mm Sample Cells, 12 pack L197620
Light shielding rings L197626
Cleaning cloth for sample cells L197635
Sample cell rack 9999
Mixing Cylinder, 25 ml glass w/ stopper
Hı
Lo
E 10 / E 11
E 20 /E 21
E 22
btLo
Operating messages – Error codes
E 70
E 71
E 72
E 73
RESULT
Cal
Store Date
Print Time
E 74
E 75
E27/E28/ E29
E23/ E24/E25

20 SC450_V1_04/2011