Maxant Hygrothermograph

The first piece of equipment you need in any successful environmental monitoring program is a hygrothermograph. This model records humidity levels (0 - 100% RH, +/- 3% mid-range) and temperature (+14 to 114 degrees F, +/- 1.5) simultaneously with a human hair humidity sensor and bimetalic temperature sensor. Battery powered quartz. Two long-life felt tip pens included. New charcoal metallic finish and complementing smoked acrylic plexiglas window design makes this unit as attractive as it is dependable. The lockable hinged top includes a carrying handle. Comes complete with 100 weekly charts. Overall dimension: 11.25''L x 7.875''H x 5.375''W. Requires one AA battery. Replacement pens sold separately.