Ideal for almost any water analysis application. The WATERPROOF PockeTesters float and can be intermittently submerged to a depth of 3 feet. The WATERPROOF feature makes cleanup easy since the whole unit can be rinsed. Replacement electrodes help reduce long term costs. Not recommended for strong acids, solvents, or other harsh applications. The TRACER testing procedure complies with the electrode method described in EPA 40 CFR Part 136.3, Table 1B (1994) and Standard Methods for the Examination of Wastewater, 18th Ed., 4500-Cl I, p 4-65, which requires that potassium iodide and a buffer be added to the sample before testing. |