These top-of-the-line waterproof meters offer single or multiparameter measurement capabilities to meet all of you testing needs. The IP67-rated housing allows use in dirty and we environments without harm to the meter. Store up to 500 data points and download to computer or printer with the infrared (IrDA) wireless technologyno need for additional cords. User-selectable 'calibration due' and set-point alarms, automatic or manual standards recognition, and single or multiple point calibration provide flexibility in meeting you data quality objectives. The large backlit, dot matrix LCD shows the measured value and units, temperature, time, battery life, and menu options.