LaMotte DC1500-CL User Manual
DC1500-CL
Chlorine Colorimeter Kit • DPD Tablet
Code 3240
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CONTENTS
Chlorine & Bromine DPD Tablet Kit
Kit Contents .......................................................................................... 4
Accessories .......................................................................................... 4
Test Method Specifications
Application ............................................................................................ 5
Range ..................................................................................................... 5
Method .................................................................................................. 5
Handling & Preservation .................................................................... 5
Interferences ........................................................................................ 5
Calibration ............................................................................................ 5
Analysis
Chlorine ................................................................................................. 6
Bromine ................................................................................................. 9
Calibration
Chlorine Standards ...........................................................................12
Chlorine Calibration Procedure ....................................................... 12
Set Up
Setting the Clock ...............................................................................15
Setting Power Save ...........................................................................16
Setting Backlight Time .....................................................................18
Factory Reset .....................................................................................19
Selecting Language...........................................................................19
Data Logging ................................................................................................21
Computer Connection .................................................................................23
Battery/AC Operation ..................................................................................23
Maintenance
Cleaning ..............................................................................................25
Repairs ................................................................................................25
Meter Disposal ...................................................................................25
General Operating Information
Overview .............................................................................................. 25
The Keypad .........................................................................................26
The Display and Menus .....................................................................26
Tubes and Chambers.........................................................................28
Sample Dilution Techniques ............................................................29
Measuring in the Absorbance Mode ...............................................30
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General Information
Packaging and Delivery ....................................................................32
General Precautions .......................................................................... 32
Safety Precautions ............................................................................ 32
Limits of Liability ...............................................................................32
Specifications ....................................................................................33
CE .........................................................................................................33
IP67 ...................................................................................................... 34
Warranty .............................................................................................34
Register Your Meter...........................................................................34
Trouble Shooting Guide
Trouble Shooting ...............................................................................35
Stray Light ..........................................................................................35
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DC1500 Chlorine & Bromine DPD Tablet Kit
Kit Contents
QUANTITY CONTENTS CODE
100 *Chlorine DPD #1 Instrument Grade Tablets *6903A-J
100 *Chlorine DPD #3 Instrument Grade Tablets *6197A-J
1 Colorimeter Tubes, w/caps,set of 6 0290-6
1 Water Sample Collecting Bottle 0688
1 1500 Colorimeter for Chlorine DPD 26650
1 USB Wall Adapter 1721
1 USB Cable 1720
1 DC1500-CL Chlorine Colorimeter, DPD Tablet
Manual
3240-MN
1 DC1500-CL Chlorine Colorimeter, DPD Tablet
Quick Start Guide
3240-QG
*WARNING: Reagents marked with an * are considered to be potential health
hazards.
To view or print a Safety Data Sheet (SDS) for these reagents go to
www.lamotte.com.
Search the four digit reagent code number listed on the
reagent label, in the contents
list or in the test procedures. Omit any letter
that follows or precedes the four digit code number. For example if code is
4450WT-H, search 4450. To obtain a printed copy, contact LaMotte by e-mail,
phone or fax.
Emergency information for all LaMotte reagents is available from Chem-Tel
(US, 1-800-255-3924) (International, call collect, 813-248-0585).
To order individual reagents or test kit components, use the specified code
number.
Accessories
DESCRIPTION CODE
Test Tubes, with Caps 0290-6
Replacement Chamber 3-0038
USB Cable 1720
USB Wall Adapter 1721
Car Charger 5-0132
SMARTLink3 Program (CD) 1901-CD
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TEST METHODS SPECIFICATIONS
APPLICATION
Drinking water supplies and distribution systems, swimming pool and
spas, sewage and chlorinated waste waters, process waters and sanitizing
solutions.
RANGE
0 to 4.0 ppm Chlorine (may be extended by dilution)
0 to 7.0 ppm Bromine (may be extended by dilution)
METHOD
In the absence of Iodide, Free Available Chlorine reacts instantly with the
buffered diethyl-p-phenylenediamine indicator (DPD) to produce a red color
in proportion to the amount of chlorine present. Subsequent addition of
potassium iodide produces a rapid color response from the combined forms
of chlorine (chloramines). In buffered samples, bromine reacts with disthylp-phenylene diamine (DPD) to produce a pink-red color in proportion to the
concentration of bromine present.
HANDLING & PRESERVATION
Chlorine and bromine in aqueous solutions, particularly weak solutions, are
not stable. Exposure to sunlight or agitation will accelerate the reduction of
chlorine and bromine. For chlorine samples, fill sample containers to the top
and cap tightly. Analyze samples as soon as possible after collection. Samples
to be analyzed for bromine cannot be preserved or stored.
INTERFERENCES
The only interfering substance likely to be encountered is oxidized
manganese. The extent of this interference can be determined by treating
a sample with sodium arsenite to destroy the chlorine or bromine present,
so that the amount of interference can be estimated. Iodine, bromine and
chlorine can also interfere, but these are not normally present unless they
have been added as additional sanitizers.
CALIBRATION
The single test colorimeter is precalibrated. In order to comply with NPDWR or
NPDES reporting regulations, the calibration should be checked periodically
by using a set of reference standards including a 0 mg/L blank and 0.3, 1.0,
and 3.5 mg/L chlorine. To prepare these standards, a LaMotte 1000 mg/L
standard chlorine equivalent solution (Code 3858) is available. Consult with
your local regulatory agency to determine standardization frequency.
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ANALYSIS - CHLORINE
PROCEDURE – FREE CHLORINE
1. Fill the Water Sample Collecting
Bottle (0688) with sample
water.
2. Press and hold until
colorimeter turns on.
Main Menu
Testing Menu
Editing Menu
Run PC Link
12:00:00 001/500
3. Press
ENTER
to select Testing
Menu.
Testing Menu
All Tests Menu
Absorbance
12:00:00 001/500
4. Press
ENTER
to select All Tests
Menu.
All Tests
Chlorine TT
Chlorine Liq DPD
Bromine TT
Bromine Liq DPD
12:00:00 001/500
5. Scroll to and select Chlorine TT
from menu.
Chlorine TT
Scan Blank
Scan Sample
12:00:00 001/500
Chlorine
Chlorine
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6. Rinse a clean tube (0290) with
sample water. Fill to the 10 mL
line with sample. Cap and wipe
dry.
7. Insert tube into chamber, close
lid and select Scan Blank.
8. Remove tube from colorimeter.
Add one *Chlorine DPD #1
Instrument Grade Tablet
(6903A).
Cap tube and shake for 10
seconds. Invert slowly 5 times.
Solution will turn pink if free
chlorine is present.
9. Immediately insert tube into
chamber. Close lid. Select Scan
Sample. Record result as Free
Chlorine.
Chlorine TT
0.99 ppm
Scan BLank
Scan Sample
12:00:00 001/500
PROCEDURE – COMBINED CHLORINE
10. Remove tube from colorimeter.
Add one *Chlorine DPD #3
Instrument Grade Tablet
(6197A) to sample from Step 8.
Cap tube and shake for 10
seconds. Invert slowly 5 times.
An increase in color represents
combined chlorine.
NOTE: For wastewater samples, Standard Methods for the Examination of Water and
Wastewater recommends waiting 2 minutes for full color development when testing
total chlorine.
Chlorine
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11. Insert tube into chamber, close
lid and select Scan Sample.
Record result as Total Chlorine
(Monochloramine, Dichloramine,
and Nitrogen Trichloride)
present in the water sample.
12. Subtract free chlorine reading from total chlorine reading to obtain
concentration of combined chlorine.
13. Press to turn off the colorimeter or press
EXIT
to exit to a
previous menu or make another menu selection.
Chlorine
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ANALYSIS - BROMINE
PROCEDURE
1. Fill the Water Sample Collecting
Bottle (0688) with sample
water.
2. Press and hold until
colorimeter turns on.
Main Menu
Testing Menu
Editing Menu
Run PC Link
12:00:00 001/500
3. Press
ENTER
to select Testing
Menu.
Testing Menu
All Tests Menu
Absorbance
12:00:00 001/500
4. Press
ENTER
to select All Tests
Menu.
All Tests
Chlorine TT
Chlorine Liq DPD
Bromine TT
Bromine Liq DPD
12:00:00 001/500
5. Scroll to and select Bromine TT
from menu.
Bromine TT
Scan Blank
Scan Sample
12:00:00 001/500
Bromine
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6. Rinse a clean tube (0290) with
sample water. Fill to the 10 mL
line with sample. Cap and wipe
dry.
7. Insert tube into chamber, close
lid and select Scan Blank.
8. Remove tube from colorimeter.
Add one *Chlorine DPD #1
Instrument Grade Tablet
(6903A).
Cap tube and shake for 10
seconds. Invert slowly 5 times.
Solution will turn pink if bromine
is present.
9. Immediately insert tube into
chamber. Close lid. Select
Scan Sample. Record result as
Bromine.
Bromine TT
0.99 ppm
Scan BLank
Scan Sample
12:00:00 001/500
10. Press to turn off the colorimeter or press
EXIT
to exit to a
previous menu or make another menu selection.
*WARNING: Reagents marked with an * are considered to be potential health
hazards. To view or print a Safety Data Sheet (SDS) for these reagents go
to www.lamotte.com. Search for the four digit reagent code number listed
on the reagent label, in the contents list or in the test procedures. Omit any
letter that follows or precedes the four digit code number. For example, if the
code is 4450WT-H, search 4450. To obtain a printed copy, contact LaMotte by
email, phone or fax.
Emergency information for all LaMotte reagents is available from Chem-Tel
Bromine
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(US, 1-800-255-3924) (International, call collect, 813-248-0585).
NOTE: For the most accurate results, samples over 7 ppm bromine should be
diluted with chlorine demand free water and re-tested.
NOTE: The meter will remember the last scanned blank reading. It is not
necessary to scan a blank each time the test is performed. To use the
previous blank reading, instead of scanning a new one, scroll to Scan Sample
and proceed. For the most accurate results, the meter should be blanked
before each test and the same tube should be used for the blank and the
reacted sample.
Bromine
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