Oakton WD-37250-20 - Long-Cycle Hygrothermograph
Record up to 3 months of humidity and temperature readings on one chart!
Unit features a corrosion-resistant acrylic plastic case with tinted cover for easy viewing. Operates on one C battery for up to six months continuous use. Built-in battery test indicates battery condition with a button press. Unit includes red and blue pens, battery, and one roll of 1-month chart paper.
Create permanent records of critical relative humidity, temperature, and barometric pressure data. These hygrothermographs and barographs are ideal for monitoring ambient conditions in laboratories, greenhouses, museums, libraries, and more! Each has multiple speeds so you can select how long recording runs unattended.
Battery-powered models feature a low battery indicator to ensure batteries are always fresh; spring wound model maintains an even chart speed for 8 days after winding. Each instrument has a corrosion-resistant acrylic plastic case with a locking, tinted cover for easy viewing