LaMotte SMART3 Manuel utilisateur

1910-MN

2.13.12

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CONTENTS

GENERAL INFORMATION

Packaging & Delivery ...................................................................................... 3

General Precautions ...................................................................................... 3

Safety Precautions ......................................................................................... 3

Limits of Liability ............................................................................................. 4

Warranty ......................................................................................................... 4

Speciﬁcations ................................................................................................ 5

Statistical and Technical Deﬁnitions ............................................................... 6

Contents and Accessories ............................................................................. 7

EPA Compliance ............................................................................................ 8

CE Compliance .............................................................................................. 8

IP 67 Certiﬁcation ............................................................................................ 8

CHEMICAL TESTING

Water Sampling for Chemical Analysis .......................................................... 9

Filtration ....................................................................................................... 10

An Introduction to Colorimetric Analysis ..................................................... 11

Reagent Blank ............................................................................................. 12

Colorimeter Tubes & Chamber ................................................................... 12

Meter Care.................................................................................................... 12

Selecting an Appropriate Wavelength ........................................................ 12

Calibration .................................................................................................... 13

Calibration Curves ....................................................................................... 13

Standard Additions ...................................................................................... 16

Sample Dilution & Volumetric Measurements ............................................ 17

Interferences ................................................................................................ 18

Stray Light Interference ............................................................................... 18

OPERATION OF THE SMART 3 COLORIMETER

Overview ...................................................................................................... 20

Components ................................................................................................ 20

GENERAL OPERATING PROCEDURES

The Keypad ................................................................................................. 21

Sample Holders............................................................................................ 21

The Display & the Menus ............................................................................ 22

Looping Menus............................................................................................. 24

TESTING

Testing Menu ............................................................................................... 25

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Test Sequences ........................................................................................... 26

General Testing Procedures ........................................................................ 26

Testing With LaMotte Pre-Programmed Tests ............................................. 27

Calibrating LaMotte Pre-Progammed Tests................................................. 29

Measuring in the Absorbance Mode............................................................ 34

EDITING MENU

Editing a Sequence ..................................................................................... 36

Adding a Test ............................................................................................... 38

Deleting a Test............................................................................................... 40

Edit User Tests ............................................................................................. 42

Naming the Test ........................................................................................... 44

Selecting the Vial and Wavelength ............................................................. 47

Entering a Two Point Calibration ................................................................. 48

Entering a Multiple Point Calibration............................................................. 52

Selecting the Numerical Format of the Result ............................................. 55

Selecting Units of Concentration ................................................................. 56

Setting the Clock .......................................................................................... 57

Logging Data................................................................................................ 58

Factory Setup ............................................................................................... 59

Setting the Power Save Function ................................................................. 59

Setting the Backlight Time ............................................................................ 61

Selecting a Language ................................................................................... 62

COMPUTER CONNECTION

PC Link .......................................................................................................... 64

Output .......................................................................................................... 64

Computer Connection.................................................................................. 64

SMARTLink 3 ................................................................................................. 64

BATTERY

Battery/AC Operation .................................................................................... 65

Battery Replacement..................................................................................... 65

MAINTENANCE

Cleaning ...................................................................................................... 66

Repairs.......................................................................................................... 66

Meter Disposal.............................................................................................. 66

TROUBLESHOOTING

Error Messages ............................................................................................ 67

Troubleshooting Guide................................................................................. 67

SMART3 COLORIMETER TEST PROCEDURES

APPENDIX

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GENERAL INFORMATION

PACKAGING & DELIVERY

Experienced packaging personnel at LaMotte Company assure adequate

protection against normal hazards encountered in transportation of shipments.

After the product leaves the manufacturer, all responsibility for its safe delivery

is assured by the transportation company. Damage claims must be ﬁled

immediately with the transportation company to receive compensation for

damaged goods.

Should it be necessary to return the instrument for repair or servicing, pack

instrument carefully in a suitable container with adequate packing material.

A return authorization number must be obtained from LaMotte Company by

authorization number to the shipping carton which describes the kind of trouble

experienced. This valuable information will enable the service department to

make the required repairs more efﬁciently.

GENERAL PRECAUTIONS

Before attempting to set up or operate this instrument it is important to read the

instruction manual. Failure to do so could result in personal injury or damage to

the equipment.

The SMART3 Colorimeter should not be stored or used in a wet or corrosive

environment. Care should be taken to prevent water or reagent chemicals from

wet colorimeter tubes from entering the colorimeter chamber.

NEVER PUT WET TUBES IN COLORIMETER.

SAFETY PRECAUTIONS

Read the labels on all LaMotte reagent containers prior to use. Some containers

include precautionary notices and ﬁrst aid information. Certain reagents are

considered hazardous substances and are designated with a * in the instruction

information for all LaMotte reagents is available 24 hours a day from the Poison

Control Center listed in the front of the phone book or by contacting the 24

prepared to supply the name and four-digit LaMotte code number found on the

container label or at the top of the MSDS or in the contents list of the procedure.

LaMotte reagents are registered with a computerized poison control information

system available to all local poison control centers.

Keep equipment and reagent chemicals out of the reach of young children.

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LIMITS OF LIABILITY

Under no circumstances shall LaMotte Company be liable for loss of life,

property, proﬁts, or other damages incurred through the use or misuse of its

products.

WARRANTY

LaMotte Company warrants this instrument to be free of defects in parts and

workmanship for 2 years from the date of shipment. If it should become

necessary to return the instrument for service during or beyond the warranty

com for troubleshooting help. The sender is responsible for shipping charges,

freight, insurance and proper packaging to prevent damage in transit. This

warranty does not apply to defects resulting from action of the user such

as misuse, improper wiring, operation outside of speciﬁcation, improper

maintenance or repair, or unauthorized modiﬁcation. LaMotte Company

speciﬁcally disclaims any implied warranties or merchantability or ﬁtness for

a speciﬁc purpose and will not be liable for any direct, indirect, incidental or

consequential damages. LaMotte Company’s total liability is limited to repair

or replacement of the product. The warranty set forth above is inclusive and no

other warranty, whether written or oral, is expressed or implied.

REGISTER YOUR METER

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SPECIFICATIONS

INSTRUMENT TYPE: Colorimeter

Readout 160 x 100 backlit LCD, 20 x 6 line graphical display

Wavelengths 428 nm, 525 nm, 568 nm, 635 nm

Wavelength Accuracy ±2% FS

Readable Resolution Determined by reagent system

Wavelength Bandwidth 10 nm typical

Photometric Range –2 to +2 AU

Photometric Precision ± 0.001 AU at 1.0 AU

Photometric Accuracy ±0.005 AU at 1.0 AU

Sample Chamber Accepts 25 mm diameter ﬂat-bottomed test tubes, 10

mm square cuvettes, 16 mm COD test tubes

Light Sources 4 LEDs

Detectors 4 silicon photodiodes

Modes Pre-programmed tests, absorbance, %T

Pre-Programmed Tests YES, with automatic wavelength selection

User Deﬁned Tests Up to 25 user tests can be input

Languages English, Spanish, French, Portuguese, Italian,

Chinese, Japanese

USB Port Mini B

Power Requirements USB wall adapter, USB computer connection or

lithium ion rechargeable battery

Battery Charge Life: Approximately 380 tests with backlight

on to 1000 tests with backlight off. (Signal averaging

disabled).

Battery Life: Approximately 500 charges.

Electrical Rating Provided on nameplate label

Data Logger 500 test results stored for download to a PC

Waterproof IP67 with USB port plug in place

Dimensions (LxWxH) 3.5 x 7.5 x 2.5 inches, 8.84 x 19.05 x 6.35 cm

Weight 13 oz, 362 g (meter only)

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STATISTICAL & TECHNICAL DEFINITIONS RELATED TO

PRODUCT SPECIFICATIONS

Method Detection Limit (MDL): “The method detection limit (MDL) is deﬁned

as the minimum concentration of a substance that can be measured and

reported with 99% conﬁdence that the analyte concentration is greater than

zero and is determined from analysis of a sample in a given matrix containing

the analyte.”1Note that, “As Dr. William Horwitz once stated, ‘In almost all cases

when dealing with a limit of detection or limit of determination, the primary

purpose of determining that limit is to stay away from it.’”2

Accuracy: Accuracy is the nearness of a measurement to the accepted or true

value.3The accuracy can be expressed as a range, about the true value, in

which a measurement occurs (i.e. ±0.5 ppm). It can also be expressed as the

% recovery of a known amount of analyte in a determination of the analyte (i.e.

103.5 %).

Resolution: Resolution is the smallest discernible difference between any

two measurements that can be made.4For meters this is usually how many

decimal places are displayed. (i.e. 0.01). Note that the resolution many change

with concentration or range. In some cases the resolution may be less than the

smallest interval, if it is possible to make a reading that falls between calibration

marks. A word of caution, that resolution has very little relationship to accuracy

or precision. The resolution will always be less than the accuracy or precision

but it is not a statistical measure of how well a method of analysis works. The

resolution can be very, very good and the accuracy and precision can be very

bad! This is not a useful measure of the performance of a test method.

Repeatability: Repeatability is the within-run precision.5A run is a single data

set, from set up to clean up. Generally, one run occurs on one day. However,

for meter calibrations, a single calibration is considered a single run or data set,

even though it may take 2 or 3 days.

Reproducibility: Reproducibility is the between-run precision.6

Detection Limit (DL): The detection limit (DL) for the 2020we/wi

is deﬁned as the minimum value or concentration that can be determined by the

meter, which is greater than zero, independent of matrix, glassware, and other

sample handling sources of error. It is the detection limit for the optical system of

the meter.

1CFR 40, part 136, appendix B

2Statistics in Analytical Chemistry: Part 7 – A Review, D. Coleman and L Vanatta,

American Laboratory, Sept 2003, P. 31.

3Skoog, D.A., West, D. M., Fundamental of Analytical Chemistry, 2nd ed., Holt

Rinehart and Winston, Inc, 1969, p. 26.

4Statistics in Analytical Chemistry: Part 7 – A Review, D. Coleman and L Vanatta,

American Laboratory, Sept 2003, P. 34.

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5Jeffery G. H., Basset J., Mendham J., Denney R. C., Vogel’s Textbook of

Quantitative Chemical Analysis, 5th ed., Longman Scientiﬁc & Technical, 1989, p.

130.

6Jeffery G. H., Basset J., Mendham J., Denney R. C., Vogel’s Textbook of

Quantitative Chemical Analysis, 5th ed., Longman Scientiﬁc & Technical, 1989, p.

130

CONTENTS AND ACCESSORIES

CONTENTS

SMART3 Colorimeter

Test Tubes, with Caps

COD/UDV Adapter

USB Wall Adapter

USB Cable

SMART3 Colorimeter Quick Start Guide

SMART3 Colorimeter Manual

ACCESSORIES

Test Tubes, with Caps Code 0290-6

Replacement Chamber Code 3-0038

USB Cable Code 1720

USB Wall Adapter Code 1721

COD/UDV Adapter Code 1724

Car Charger Code 5-0132

SMARTLink3 Program (CD) Code 1901-CD

Small Field Carrying Case

(37.5 27.5 x 13.75 cm)

Code 1910-GCS150

Large Field Carrying Case

(45 x 32.5 x 20 cm)

Code 1910-GCS440

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EPA COMPLIANCE

The SMART3 Colorimeter is an EPA-Accepted instrument. EPA-Accepted

means that the instrument meets the requirements for instrumentation as found

in test procedures that are approved for the National Primary Drinking Water

Regulations (NPDWR) or National Pollutant Discharge Elimination System

(NPDES) compliance monitoring programs. EPA-Accepted instruments may be

used with approved test procedures without additional approval.

CE COMPLIANCE

The SMART3 Colorimeter has earned the European CE Mark of Compliance for

electromagnetic compatibility and safety. The Declaration of Conformity for the

IP67 CERTIFICATION

The SMART3 meets IP67 standards for protection against dust and immersion

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CHEMICAL TESTING

WATER SAMPLING FOR CHEMICAL ANALYSIS

Taking Representative Samples

The underlying factor to be considered for any type of water sampling is whether

or not the sample is truly representative of the source. To properly collect a

representative sample:

• Sample as frequently as possible.

• Collect a large sample or at least enough to conduct whatever tests are

necessary.

• Make a composite sample for the same sampling area.

• Handle the sample in such a way as to prevent deterioration or

contamination before the analysis is performed.

• Perform analysis for dissolved gases such as dissolved oxygen, carbon

dioxide, and hydrogen sulﬁde immediately at the site of sampling. Samples

for testing these factors, as well as samples for pH, cannot be stored for

later examination.

• Make a list of conditions or observations which may affect the sample.

Other considerations for taking representative samples are dependent

upon the source of the sample. Taking samples from surface waters

involves different considerations than taking samples from impounded and

sub-surface waters.

Sampling of Open Water Systems

Surface waters, such as those found in streams and rivers, are usually well

mixed. The sample should be taken downstream from any tributary, industrial

or sewage pollution source. For comparison purposes samples may be taken

upstream and at the source of the pollution before mixing.

In ponds, lakes, and reservoirs with restricted ﬂow, it is necessary to collect a

number of samples in a cross section of the body of water, and where possible

composite samples should be made to ensure representative samples.

To collect samples from surface waters, select a suitable plastic container with

a tight ﬁtting screw cap. Rinse the container several times with the sample

to be tested, then immerse the container below the surface until it is ﬁlled to

overﬂowing and replace the cap. If the sample is not to be tested immediately,

pour a small part of the sample out and reseal. This will allow for any expansion.

Any condition which might affect the sample should be listed.

Sub-surface sampling is required to obtain a vertical proﬁle of streams, lakes,

ponds, and reservoirs at speciﬁc depths. This type of sampling requires more

sophisticated sampling equipment.

For dissolved oxygen studies, or for tests requiring small sample sizes, a Water

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