The HydroTest HT1000 Photometer combines a modern, ergonomic design, with reliable, laboratory-quality optics, incorporated into a waterproof carry case with accessories and reagents, for a complete environmental water testing solution. The ergonomic design is equally stable in the palm of the hand, or on a flat surface. The backlit high-contrast display enables comfortable operation in all lighting conditions. The simple test methods, intuitive control system and comprehensive manual are ideally suited for operators of all abilities. Precision optics combine long-life LEDs with interference filters and a highly accurate photo sensor for highly reliable results. N.I.S.T.-traceable calibration capability and verification standards assure continued validity and reliability. Over 120 test methods are available, including all of the most important water quality parameters, and methods can be easily updated by users. Data can be stored directly on the unit (up to 1000 data sets), or wirelessly transmitted to PC or printer. The robust IP68-rated waterproof enclosure is built for tough environments, allowing operation in all weather conditions. The waterproof hard-shell carry-case is resiliant yet lightweight, offering a complete portable solution for environmental monitoring.