Since 1919
LaMotte Smart2 Colorimeter
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Individual Test Kits:

Ozone (Individual Test Kits)

Ozone: DPD reacts with ozone, but any other oxidizers will interfere. The Indigo Trisulfonate method includes a step to eliminate chlorine interference, but bromine will interfere. It is preferred for the analysis of salt water.

Order Code/Model
Test System
Range/Sensitivity
# of Tests
(# Reagents)
Shipping Code (Weight/lbs)

3526
LP-62

DPD Tablet
Octet Comparator with Axial Reader

0.01, 0.03, 0.07, 0.11, 0.2, 0.4, 0.7, 1.0 ppm O3

50 (2)

NH (1)

3678-01
DC1200-OZ

Indigo Trisulfonate
Colorimeter
0–0.4 ppm/0.04 ppm O3 100 (3) NH (7)
Shipping Codes:

*(NPDWR) EPA Accepted
?(NPDES) EPA Accepted

Direct Reading Titrators have a specific range, but may be refilled to test higher concentrations.


LaMotte Company

P.O. Box 329 | 802 Washington Avenue | Chestertown | Maryland | 21620
Tel: 800-344-3100 (within the U.S.A.) | 410-778-3100 | 410-778-3101
Fax: 410-778-6394