- Uses humidity sensing coil for accurate, consistent readings
- Built-in LCD clock in base lets you view time at a glance
This compact hygrothermograph is our most economical model. Drive is quartz-controlled for accuracy; operates for six months on one AA battery. Features corrosion-resistant acrylic housing. Includes 1 sheet of 7-day, °C chart paper and and one AA battery. Order additional chart paper and pens separately.