Lamotte SMART 2 Electronic Soil Lab User Manual

••••••••••••••••••••••••••••••••••••••••SMARTSOIL2Operator’s ManualCode 1985-04v2.3• Printed 4.0861985-04

CHEMICAL TESTINGnAN INTRODUCTION TO COLORIMETRIC ANALYSISMost test substances in water or soil extract are colorless and undetectable tothe human eye.

nREA GENT BLANKSome tests will provide greater accuracy if a reagent blank is determined tocompensate for any color or turbidity resulting from the re

nSAMPLE DILUTION TECHNIQUES& VOLUMETRIC MEASUREMENTSIf a test result using the SMART 2 Colorimeter gives an OVERRANGE messagethen the sample conce

reagent blank using a pH meter. This is the ideal pH for the test. Measure thepH of a reacted soil extract using the pH meter. If the pH is significan

OPERATION OF THESMART 2 COLORIMETERnO VERVIEWThe SMART 2 Colorimeter is a portable, microprocessor controlled, directreading colorimeter. It has a gra

nCOMPONENTSFigure 1 shows a diagram of the SMART 2 Colorimeter and its components.SMART2 SOIL MANUAL 1.07 15SerialNumberBatteryCompartmentRS232Serial

nQUICK ST ARTSome quick instructions to get into testing.Press the ON buttontoturnontheSMART2.TheLaMotte logo screen will appear for about 2 secondsan

The screen will display Blank Done for about 1second.015 ChlorineBlank Done* Scan BlankInsert the reacted sample. Press Q/ENTER to scansample. The SMA

GENERAL OPERATING PROCEDURESThe operation of the SMART 2 Colorimeter is controlled by a microprocessor.The microprocessor is programmed with menu driv

nTHE DISPLA Y & THE MENUSThe display allows menu selections to be viewed and chosen. These choicesinstruct the colorimeter to perform specific tas

The second general format of the display takes advantage of the graphicscapabilities of the display. The top line of the display is still a title line

nLOOPING MENUSLong menus, such as All Tests, incorporate a looping feature which allowthe user to quickly reach the last choice in the menu from the f

TESTINGnTESTING MENUThe Testing Menu is used to run all LaMotte pre-programmed tests, USERTESTS and Absorbance test at one of four wavelengths. Testin

nSEQUENCES OF TESTSSEQUENCE 1, SEQUENCE 2,andSEQUENCE 3 are alterable sequences. Theymay be edited using the Editing Menu. Any of the LaMottepre-progr

nGENERAL TESTING PROCEDURESThe following are some step by step examples of how to run tests from theTesting Menu. These test procedures are designed t

The SMART 2 Colorimeter is ready to scan at thecorrect wavelength. Place the blank in the samplechamber, close the lid and press Q/ENTER to scanblank.

EDITING MENUThe EDITING MENU allows the user to edit sequences, edit user tests, set theclock, edit the logging function, and set the power saving fun

Sequence 1 appears.EDIT SEQUENCE 1*015 Chlorine079 Phosphate H009 Bromine-LRnADDING OR DELETING TESTSThere are three ways to alter a sequence: Insert

Press Q/ENTER to select 002 Aluminum.ALL TESTS* 002 Aluminum003 Ammonia-N LF004 Ammonia-N LSSequence 1 appears in EDIT SEQUENCE 1 menuand 002 Aluminum

Press t to scroll to Delete.EDIT SEQUENCE 1* Insert BeforeInsert AfterDeletePress Q/ENTER to select Delete.EDIT SEQUENCE 1* DeleteSequence 1 appears i

TABLE OF CONTENTSGENERAL INFORMATIONPackaging & Delivery ····································································5General Precautions

nCREATING A SOIL TEST SEQUENCETo create a testing sequence specifically for the reagent systems in the SMART2 Soil Manual follow the step by step exam

Press t to scroll to Delete.EDIT SEQUENCE 1* Insert BeforeInsert AfterDeletePress Q/ENTER to select Delete.ALL TESTS* DeleteSequence 1 appears in the

Sequence 1 appears in the EDIT SEQUENCE 1menu and 099 Zinc-LR is now in Sequence 1. Allchanges to Sequence 1 are automatically saved. PressQ/ENTER to

The ALL TESTS menu appears. Press s to move to081 Potassium.ALL TESTS* 001 Alk - UDV002 Aluminum003 Ammonia-N LFPress Q/ENTER to select 081 Potassium.

nCALIBRATING LaMOTTE PRE-PROGRAMMED TESTSThe LaMotte Pre-Programmed Tests have been pre-calibrated. Recalibration ofthe pre-programmed tests by the us

The screen will display Blank Done for about 1second. Scan Sample will be positioned next to *.002 AluminumBlank Done* Scan SamplePlace the reacted sa

Two menu choices will be offered, SetCalibration and Factory Setting.Setthecalibration by pressing Q/ENTER to select SetCalibration;oruses or t to scr

nSETTING THE CLOCKSetting the clock allows the correct time and date stamp to be stored with eachreading in the data logger and with each reading sent

nTURNING THE DATA LOGGER ON AND OFFThe default setting for the datalogger is “Enabled” or turned off. If there is noneed for data logging, this settin

nFACTORY SETUPThe Factory Setup menu is used in the manufacturing of the SMART 2Colorimeter. This menu is not for use by the operator in the field.nSE

TABLE OF CONTENTS (cont.)PC LINKOutput····························································································40Computer Connectio

PC LINKThe SMART 2 Colorimeter may be interfaced with any Windows-basedcomputer by using the LaMotte SMARTLink2 Program and Interface Cable(Order Code

MAINTENANCEnCLEANINGClean with a damp, lint-free cloth.DO NOT ALLOW WATER TO ENTER THE COLORIMETERCHAMBER OR ANY OTHER PARTS OF THE METER.nMETER CARET

TROUBLESHOOTING GUIDEnERROR MESSAGESnOVER RANGEIf the message OVERRANGE is displayed when scanning a sample, the samplemay be over range or under rang

nHELPFUL HINTSnSTRAY LIGHTThe SMART 2 Colorimeter should have no problems with stray light. Makesure that the sample compartment lid is always fully c

SMART2 COLORIMETERREA GENT SYSTEMSThis SMART2 Colorimeter contains calibrations for pre-programmed LaMotteSMART reagent systems for water testing as w

Test Factor (Test #)Range(ppm) Test Method (# of Reagents)#ofTestsCyanide (35) 0.00–0.50 Pyridine-Barbituric Acid (5) 50Cyanuric Acid (36) 5–200 Melam

Test Factor (Test #)Range(ppm) Test Method (# of Reagents)#ofTestsPhosphorus, TotalLow-Range (81)0.00–3.50 mg/L Ascorbic Acid/Digestion (5) 25Phosphor

SMART2 SOIL MANUAL 1.07 47••••••••••••••••••••••••••••••••••••••••SMARTSOIL2SOIL TESTINSTRUCTIONS

48 SMART2 SOIL MANUAL 1.07

ELECTRONIC TEST METHODSpHPROCEDURE1. Use the 10 g Soil Measure (1164) to add one level measure of the soilsample to a 50 mL beaker (0944). Use the gra

GENERAL INFORMATIONnPA CKAGING & DELIVERYExperienced packaging personnel at LaMotte Company assure adequateprotection against normal hazards encou

SOLUBLE SALTS(TOTAL DISSOLVED SALTS)Most plants will get along well at soluble salts concentrations of below 1000parts per million. However, greenhous

EXTRA CTION PROCEDUREThe following method of extraction is employed for obtaining the soil filtratefor the tests for Nitrate Nitrogen, Phosphorous, Po

nNEUTRALIZATION OF SOIL FILTRATEIn the test procedures for Ammonia Nitrogen, Calcium & Magnesium,Copper, Iron, Manganese and Zinc require that the

AMMONIA -NITROGENNESSLERIZATION METHOD CODE 3642-SCQUANTITY CONTENTS CODE30 mL Ammonia Nitrogen Reagent #1 V-4797-G2 x 30 mL *Ammonia Nitrogen Reagent

PROCEDURE1. Press and hold ON button until colorimeter turns on.2. Press ENTER to start.3. Press ENTER to select TESTING MENU.4. Scroll to and select

CALCIUM & MAG NESIUMSCHWARZENBACH EDTA METHOD CODE M-CAL-MAGQUANTITY CONTENTS CODE30 mL *Calcium & Magnesium Buffer *5126-G60 mL Standard EDTA

PROCEDUREI. DILUTION OF SOIL EXTRACTUse the 30 mL graduated cylinder (0418) to measure 10 mL of the soil extractand transfer it to a 50 mL beaker (094

IV. FINAL RESULTSCalcium Content = 0.4 x Titration Value B = ppm CaMagnesium Content = 0.24 (Value A - Value B) = ppm MgMultiply the results by 2 to o

58 SMART2 SOIL MANUAL 1.07

CHLORIDEDIRECT READING TITRATOR METHOD CODE M7241QUANTITY CONTENTS CODE15 mL *Chloride Reagent #1 *4504-E60 mL *Silver Nitrate, 0.141N *3062DR-H1 Test

nSPECIFICATIONSnINSTRUMENT TYPE: ColorimeterReadout Graphical 4 line, 16 character per line LCDWavelengths 430nm, 520 nm, 570 nm, 620 nmWavelength Acc

PROCEDURECarefully read the LaMotte Direct Reading Titrator Manual (1649) beforeperforming the titration procedure described below. The Titrator is ca

COPPERDIETHYZDITHIOCARBAMATE METHODCODE M3639-46-65-SCQUANTITY CONTENTS CODE15 mL *Copper 1 *6446-E*WARNING: Reagents marked with a * are considered t

PROCEDURE1. Press and hold ON button until colorimeter turns on.2. Press ENTER to start.3. Press ENTER to select TESTING MENU.4. Select ALL TESTS (or

IRONBIPYRIDYL METHOD 3648-SCQUANTITY CONTENTS CODE30 mL *Iron Reagent #1 *V-4450-G5 g *Iron Reagent #2 Powder *V-4451-C1 Pipet, 0.5 mL 03531 Spoon, 0.

PROCEDURE1. Press and hold ON button until colorimeter turns on.2. Press ENTER to start.3. Press ENTER to select TESTING MENU.4. Select ALL TESTS (or

MANGANESEPERIODATE METHOD CODE 3669-SCQUANTITY CONTENTS CODE10 g Manganese Buffer Reagent 6310-D15 g *Manganese Periodate Reagent *6311-E1 Spoon, 0.1

PROCEDURE1. Press and hold ON button until colorimeter turns on.2. Press ENTER to start.3. Press ENTER to select TESTING MENU.4. Select ALL TESTS (or

NITRATE-NITROGENCADMIUM REDUCTION METHOD CODE 3649-SCQUANTITY CONTENTS CODE2 x 60 mL *Mixed Acid Reagent *V-6278-H5 g *Nitrate Reducing Reagent *V-627

PROCEDURENOTE: Place Dispenser Cap (0692) on *Mixed Acid Reagent (V-6278). Savethis cap for refill reagents.1. Press and hold ON button until colorime

nNITRATE-NITROGEN CONCENTRA TION CHARTPOUNDS PER ACRE RANGE0-9.0 lb/acre Low11-29 lb/acre Medium33-51 lb/acre Medium High53-100 lb/acre HighOver 100 l

nSTATISTICAL AND TECHNICAL DEFINITIONS RELATEDTO PRODUCT SPECIFICA TIONSMethod Detection Limit (MDL): “The method detection limit (MDL) isdefined as t

70 SMART2 SOIL MANUAL 1.07

NITRITE-NITROGENDIAZOTIZATION METHOD CODE 3650-SCQUANTITY CONTENTS CODE2 x 60 mL *Mixed Acid Reagent *V-6278-H5 g *Color Developing Reagent *V-6281-C1

PROCEDURENOTE: Place Dispenser Cap (0692) on *Mixed Acid Reagent (V-6278). Savethis cap for refill reagents.1. Press and hold ON button until colorime

PHOSPHORUSASCORBIC ACID REDUCTION METHOD CODE 3653-SCQUANTITY CONTENTS CODE60 mL *Phosphate Acid Reagent *V-6282-H5 g *Phosphate Reducing Reagent *V-6

PROCEDURE1. Press and hold ON button until colorimeter turns on.2. Press ENTER to start.3. Press ENTER to select TESTING MENU.4. Select ALL TESTS (or

nPHOSPHORUS CONCENTRATION CHARTPOUNDS PER ACRE RANGE0-14 lb/acre VeryLow16-34 lb/acre Low35-67 lb/acre MediumOver 70 lb/acre HighSMART2 SOIL MANUAL 1.

76 SMART2 SOIL MANUAL 1.07

POTASSIUMTETRAPHENYLBORON METHOD CODE M3639-46-65-SCQUANTITY CONTENTS CODE30 mL *Sodium Hydroxide, 0.1N *4004WT-G5g *Tetraphenylboron Powder *6364-C1

PROCEDURE1. Press and hold ON button until colorimeter turns on.2. Press ENTER to start.3. Press ENTER to select TESTING MENU.4. Select ALL TESTS (or

SULFURBARIUM CHLORIDE METHOD CODE 3639-45-65-SCQUANTITY CONTENTS CODE10 g *Sulfate Reagent *V-6277-D1 Spoon, 0.1 g 0699*WARNING: Reagents marked with

Sensitivity: Sensitivity is the resolution based on how this term is used inLaMotte catalogs. This term is not listed in any of the references. Someti

PROCEDURE1. Press and hold ON button until colorimeter turns on.2. Press ENTER to start.3. Press ENTER to select TESTING MENU.4. Select ALL TESTS (or

ZINCZINCON METHOD CODE 3667-SCQUANTITY CONTENTS CODE30 mL *Zinc Indicator Solution *6314-G120 mL *Methyl Alcohol *6319-J10 g Sodium Ascorbate 6316-D25

SAMPLEHANDLING &PRESERVATION:Sample should be analyzed within 6 hours aftercollection. The addition of HCl will help preserve themetal ion content

PROCEDUREA. PREPARATION OF DILUTE ZINC INDICAT OR SOL UTION1. Use a pipet (0352) to measure exactly 5.0 mL of *Zinc Indicator Solution(6314) into 10 m

nZINC CONCENTRATION CHARTPARTS PER MILLION RANGE0-0.5 ppm Low0.6-1.0 ppm Marginal1.1-2 ppm Adequate84 SMART2 SOIL MANUAL 5.06

nCE COMPLIANCEThe SMART 2 Colorimeter has earned the European CE Mark of Compliancefor electromagnetic compatibility and safety.SMART2 SOIL MANUAL 1.0