Sektion 6 Garanti, ansvar och reklamationer .......................................113
CO ....................................................... 106
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Section 1General information
1.1Safety information
Please read this entire application instruction and the POCKET COLORIMETERTM II
instruction manual before unpacking, setting up, or operating this equipment. Pay
attention to all danger and caution statements. Failure to do so could result in serious
injury to the operator or damage to the equipment.
To ensure that the protection provided by this equipment is not impaired, do not use
or install this equipment in any manner other than that specified in this manual.
1.1.1Use of hazard information
DANGER
Indicates a potentially or imminently hazardous situation which, if not
avoided, could result in death or serious injury.
Important Note: Information that requires special emphasis.
Note: Information that supplements points in the main text.
1.2General product information
This application instruction describes how to evaluate LANGE Cuvette Tests on a
single-wavelength POCKET COLORIMETER II.
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Section 2Installation
Important Note: This application instruction is only valid in conjunction with the
POCKET COLORIMETERTM II instruction manual and the applied LCK working
procedure. Please read this entire application instruction and the entire POCKET
COLORIMETER II instruction manual before unpacking, setting up or operating the
instrument.
2.1Packing list
•POCKET COLORIMETER II 420 nm, Cat. No. 5870042
•Instrument cap with HACH LANGE label, Cat. No. LZV 759
•Cuvette adapter 1 cm, Cat. No. 5954600
•Application instruction DOC022.98.90061
2.2Insert the adapter
Remove the instrument cap and carefully position the cuvette adapter into the cell
holder with the arrow pointing downward. Fix it by pressing it down.
2.3Replace the instrument cap
Use the instrument cap with the HACH LANGE label when evaluating LANGE
cuvettes.
ZERO/SCROLL (BLUE key) : In measurement mode, sets the instrument to zero. In
menu mode, scrolls through menu options. Also scrolls numbers when entering or
editing a value.
READ/ENTER (GREEN key) : In measurement mode, initialize s s ample
measurement. In menu mode, selects a menu option. When entering numbers,
moves one space to the right. Confirm the function when the entry is complete.
3.2Enter calibration data of LANGE Cuvette Test
3.2.1Overview
Each POCKET COLORIMETER II has two channels in which measurements can be
made. Each channel will accept user-defined calibration data.
This application instruction contains the calibration data of the LANGE Cuvette Test
for Formaldehyde:
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System start up
•LCK 325: 0.5-10.0 mg/l Formaldehyde
Each programming procedure has only to be followed once prior to the first test
evaluation.
For detailed information please read the POCKET COLORIMETER II instruction manual.
3.2.2Data table
3.2.2.1Evaluation as Formaldehyde
Table 1 Evaluation as Formaldehyde
LCK 325
RES (resolution)
S0 (standard 0)
A0 (absorbance 0)
S1 (standard 1)
A1 (absorbance 1)
--.--
00.50
0.046
10.00
0.993
3.3Programming procedure
Note: Each programming procedure has only to be followed once prior to the first test
evaluation.
Note: After programming the calibration data, it could be helpful to mark the channel(s) 1
and/or 2 accordingly with a label.
3.3.1LCK 325 Formaldehyde H2CO
1.Press POWER to switch on the instrument.
2.Press MENU. "SEL" is displayed. A flashing arrow indicates the current channel
(1 or 2).
3.Select channel 1 for LCK 325 (0.5-10.0 mg/l H
Note: Press GREEN key to toggle between channels.
4.Press MENU for about five seconds until "USER" followed by "CAL" is
displayed.
5.Press BLUE key until "Edit" is displayed. Press GREEN key. " RES" is
displayed.
6.Press GREEN key. "-.---" is displayed.
7.Press BLUE key until "--.--" is displayed. Press GREEN key. "S0" is displayed.
8.Press GREEN keyuntil "A0" is displayed.
9.Press GREEN key until "S1" is displayed.
CO).
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22
System start up
10. Press GREEN key. Enter "10.00" by using BLUE key to change value and
GREEN key to move to the next space. Press GREEN key until "A1" is
displayed.
11. Press GREEN key. Enter "0.993" by using BLUE key to change value and
GREEN key to move to the next space. Press GREEN key until "Add" is
displayed.
12. Press MENU until "Edit" is displayed. Press GREEN key until „S0“ is displayed.
13. Press GREEN key. Enter "00.50" by using BLUE key to change value and
GREEN key to move to the next space. Press GREEN key until "A0" is
displayed.
14. Press GREEN key. Enter "0.046" by using BLUE key to change value and
GREEN key to move to the next space. Press GREEN key until „S1“ is
displayed.
15. Press MENU until "Edit" is displayed to check the entered data. Press GREEN
key. „RES“ is displayed.
16. Press BLUE key to scroll through the entries. Compare the entries with the data
shown in the table below.
Table 2 Calibration data of LCK 325 Formaldehyde
RES--.--
S00.50
A00.046
S110.00
A10.993
17. After comparing the entries press MENU two times to enter the measuring
mode. See 4.3 Evaluate LANGE Formaldehyde Cuvette Test on page 25.
Note: In case of any mistake retrieve the factory calibration first. See 3.5.1 Retrieve the factory
calibration on page 24. After retrieving the factory calibration, start the programming procedure
again. If the instrument is shut-off or loses power during data entry, all edits will be lost.
Automatic shut-off is 60 minutes.
3.4Check entered data
To avoid erroneous measurements it is recommended to check the data after
completing the programme procedure.
1.Press MENU for about five seconds until "USER" followed by "CAL" is
displayed.
2.Press BLUE key to scroll to "Edit". Press GREEN key.
3."RES" is displayed. Press BLUE key to scroll through the entries. Compare the
entries with the figures in the 3.2.2.1 Evaluation as Formaldehyde on page 22.
In case a value was not stored correctly, retrieve the factory calibration first. See 3.5.1
Retrieve the factory calibration on page 24. After retrieving the factory calibration,
start the programming procedure again.
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System start up
3.5Overwrite stored calibration data
With the POCKET COLORIMETER II it is possible to overwrite stored calibration
data. Before overwriting calibration data it is recommended to retrieve the factory
calibration first. After retrieving the factory calibration, you can program new
calibration data.
In case of any mistake retrieve the factory calibration first.
3.5.1Retrieve the factory calibration
1.Press MENU. "SEL" is displayed. A flashing arrow indicates the current channel
(1 or 2). Press GREEN key to toggle between channels. Select channel
retrieving the factory calibration.
2.Press MENU for about five seconds until "USER" followed by "CAL" is
displayed.
3.Press BLUE key to scroll to "dFL". Press GREEN key.
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Section 4Operation
4.1Analyse Formaldehyde with LANGE Cuvette Test
DANGER
Handling chemical samples, standards and reagents can be dangerous. Users
of this product are advised to familiarize themselves with safety procedures
and the correct use of chemicals, and to carefully read all relevant material
safety data sheets.
To analyse formaldehyde follow the working procedure enclosed in the according
Cuvette Test LCK 325.
4.2Quality assurance
The measurement results must be subjected to plausibility checks (dilute and/or
spike the sample).
4.3Evaluate LANGE Formaldehyde Cuvette Test
Note: Make sure that the instrument is programmed with the corresponding calibration data,
see 3.4 Check entered data on page 23.
1.Press POWER to switch on the instrument.
2.Make sure that channel 1 is selected!
Otherwise press MENU. "SEL" is displayed. A flashing arrow indicates the
current channel (1 or 2). Press GREEN key to select channel 1. Press MENU to
get back to the measuring mode.
3.Insert the zero-solution into the cell holder equipped with the cuvette adapter
1cm.
Note: Make sure that the cuvette adapter is positioned correctly.
4.Place the instrument cap with the HACH LANGE label over the cell holder to
cover the cuvette.
5.Press BLUE key. "0.00" is displayed.
6.Remove the instrument cap and insert the sample cuvette.
7.Place the instrument cap over the cell holder to cover the cuvette.
8.Press GREEN key.
9.The result is displayed in mg/l Formaldehyde.
Note: In case the formaldehyde concentration is out of the selected measuring range the
value for the lowest or highest concentration is displayed and flashes. Repeat the test
diluting your sample.
Note: A new zero measurement should be performed prior to each individual test series.
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Section 5Replacement Parts and
Accessories
5.1Replacement Parts
DescriptionQuantityCat. Number
POCKET COLORIMETERTM II 420 nm15870042
Instrument cap with HACH LANGE label1LZV 759
Cuvette adapter 1 cm15954600
5.2Accessories
DescriptionQuantityCat. Number
Formaldehyde Cuvette Test (0.5-10.0 mg/l H2CO)1 pk/24 pcLCK 325
Pipette 0.2-1 ml1BBP 078
Pipette tips for BBP 078 1 pk/100 pcBBP 079
Cuvette Stand for LANGE cuvettes1LYW 915
Thermostat LT 2001LTV082.99.51002
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Section 6Warranty, liability and
complaints
The manufacturer warrants that the product supplied is free of material and
manufacturing defects and undertakes the obligation to repair or replace any
defective parts at zero cost.
The warranty period for instruments is 24 months. If a service contract is taken out
within 6 months of purchase, the warranty period is extended to 60 months.
With the exclusion of the further claims, the supplier is liable for defects including the
lack of assured properties as follows: all those parts that can be demonstrated to
have become unusable or that can only be used with significant limitations due to a
situation present prior to the transfer of risk, in particular due to incorrect design, poor
materials or inadequate finish will be improved or replaced, at the supplier's
discretion. The identification of such defects must be notified to the supplier in writing
without delay, however at the latest 7 days after the identification of the fault. If the
customer fails to notify the supplier, the product is considered approved despite the
defect. Further liability for any direct or indirect damages is not accepted.
If instrument-specific maintenance and servicing work defined by the supplier is to be
performed within the warranty period by the customer (maintenance) or by the
supplier (servicing) and these requirements are not met, claims for damages due to
the failure to comply with the requirements are rendered void.
Any further claims, in particular claims for consequential damages cannot be made.
Consumables and damage caused by improper handling, poor installation or
incorrect use are excluded from this clause.
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