Hach Pocket Colorimeter II, Chlorine (Free and Total)
A truly go-anywhere instrument, the Pocket Colorimeter II is ideal for extended field work or on-the-spot process monitoring. No manual calibration is needed. Just zero the instrument with a blank, insert a reacted sample, and then read the result on the backlit LCD. The 10 most recent data points are logged, compete with time stamp. Four buttons allow for simple operation. The IP67 rated instrument weighs just 8.1 ounces. USEPA accepted for drinking water (Free and Total Chlorine) and wastewater (Total Chlorine) analyses. Includes pre-measured unit dose reagents (enough for 100 tests for low range or 50 tests for high range), sample cells, carrying case, and manual.