LaMotte COD3 Plus Colorimeter

Applications: Industrial Water Boiling and Cooling, Water and Wastewater

The user-friendly COD3 Plus Colorimeter is direct reading for on-site water analyses. It features pre-programmed tests, automatic wavelength selection, menu-driven operation, and large backlit display screens. The analyst can simply select the test and put in the sample with reagent. The microprocessor, which selects the wavelength, also allows the user to load up to 25 tests for analyzing custom reagent systems.

The data logger holds up to 500 time and date stamped data points which can be downloaded via a USB connection.

Multi-Range COD Reagent Systems

Measure low, medium, or high levels of Chemical Oxygen Demand using your choice of mercury (USEPA approved method) or non-mercury reagent systems. Twenty-five ready to use vials are provided in a fully protected shipping box to meet the demands of today's serious analysts. LaMotte Company introduces the most precise way to measure critical COD levels over a variety of ranges using the SMART Spectro®, the original SMART® Colorimeter and the SMART 2® Colorimeter. Analysts can select from EPA approved mercury-based reagent systems or mercury-free systems to test 0-150 ppm, 0-1,500 ppm or 0-15,000 ppm COD. Each package contains 25 vials with Teflon®-lined caps to offer the maximum level of safety during use. High grade, optical quality, standard size (16mm) vials are protected in a premium EPS foam shipper for full compliance to global shipping requirements. The user simply adds the test sample to the reagent in the vial and heats the vial for up to 2 hours at 150°C (±2°C). Once the digestion is complete just place the tube directly into the meter and read ppm COD.

Pre-Programmed Tests
Test Factor	Range ppm	Test Method (# Rgts.)	# Tests	Code
Ammonia Nitrogen (LR), Fresh	0.05-1.00	Salicylate (3)	25	3659-01-SC
Ammonia Nitrogen (LR), Salt	0.10-1.00	Salicylate (3)	25	3659-01-SC
Boron	0.05-0.80	Azomethine-H (2)	50	4868
Cobalt	0.025-2.000	PAN (3)	50	4851
COD, Low with Mercury	5-150	Acid Digestion (1)	25	0075-SC
COD, Low without Mercury	5-150	Acid Digestion (1)	25	0072-SC
COD, Standard with Mercury	50-1,500	Acid Digestion (1)	25	0076-SC
COD, Standard without Mercury	50-1,500	Acid Digestion (1)	25	0073-SC
COD, High with Mercury	500-15,000	Acid Digestion (1)	25	0077-SC
COD, High without Mercury	500-15,000	Acid Digestion (1)	25	0074-SC
Color	20-1,000	Platinum Cobalt (0)	?	NA
Copper (Cu-Cuprizone)	0.03-2.00	Cuprizone (2)	50	4023
Copper (Cu DDC)	0.05-6.00	Diethyldithio-carbmate	100	3646-SC
Cyanuric Acid	10-200	Melamine (1)	100	3661-SC
Dissolved Oxygen	0.25-11.0	Winkler Colorimetric (3)	100	3688-SC
Fluoride	0.05-2.00	SPADNS (2)	50	3647-01-SC
Hydrazine	0.01-1.00	p-dimethylamino-benzaldehyde (2)	25	3656-SC
Molybdenum	0.5-50.0	Thioglycolate (3)	50	3699-02-SC
Ozone (Low)	0.02-0.40	Indigo Trisulfonate (3)	100	3651-SC
Ozone (High)	0.05-2.50	Indigo Trisulfonate (3)	20	3651-SC
Phosphate (Low)	0.05-3.00	Ascorbic Acid Reduction (2)	50	3653-SC
Phosphate (High)	1-70	Vanadomolybdo Phosphoric Acid (1)	50	3655-SC
Potassium	0.8-10.0	Tetraphenyboron (2)	100	3639-SC
Silica (Low)	0.05-4.00	Heteropoly Blue (4)	50	3664-SC
Silica (High)	0.5-75.0	Silicomolybdate (3)	50	3687-SC
Sulfate	4-100	Barium Chloride (1)	50	3665-SC
Sulfide	0.025-1.500	Methylene Blue (3)	50	3654-01-SC
Tannin	0.1-10.0	Tungstomolybdo Phosphoric Acid (2)	50	3666-SC
Turbidity*	2-400 FTU	Absorptimetric (0)	?	NA
Zinc	0.05-3.00	Zincon (6)	50	3667-SC

Requires COD Heater Block (order code 5-0102)
*Not EPA compliant

Specifications:
Light Source:	LED/filter setup at 428nm and 635nm
Detector:	Photodiode
Display:	160 x 100ÊLCD,Ê20 x 6Êline graphics display
Range:	0-125%T
Resolution:	1% FS
Accuracy:	2% FS

LaMotte

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