655 nm Pocket Colorimeter

Single-parameter colorimeter you can take anywhere|Rugged design withstands water, drops, extreme temperatures, and dirt Compact size fits easily into a kit or your pocket Read the large digital display in any condition?features backlight No need to calibrate?just blank and read! Store and recall up to 50 measurements|The DR300 series continues Hach's legacy of single-parameter colorimeters for water testing. These units are factory calibrated, so you only need to zero the unit before taking readings. Secondary calibration sets are available for some parameters to meet regulatory requirements. New features include a more intuitive interface to reduce potential manual errors, and larger digits on the backlit display.