(2) These colorimeters are hand held and waterproof. The DR/850 is engineered to test for more than 50 parameters. Ideal for testing programs that focus on basic water quality. The DR/890 is capable of testing for more than 90 parameters, from aluminum to zinc. Both colorimeters come with two sample cells, 4 AA batteries, and illustrated instrument and procedure manuals.
(6) Pocket colorimeters measure one or two parameters. Rugged and waterproof, these lightweight testing instruments are very easy to use. Includes reagents for 100 tests. See the specific parameter section for additional information and reagent reordering.