CONTENTS
GENERAL INFORMATION
Packaging & Delivery ...................................................................................... 3
General Precautions ...................................................................................... 3
Safety Precautions ......................................................................................... 3
Limits of Liability ............................................................................................. 4
Warranty ......................................................................................................... 4
Register Your Meter ......................................................................................... 4
Specifi cations ................................................................................................ 5
Statistical and Technical Defi nitions ............................................................... 6
Contents and Accessories ............................................................................. 7
EPA Compliance ............................................................................................ 8
CE Compliance .............................................................................................. 8
IP 67 Certifi cation ............................................................................................ 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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