Oakton Economical Minidrum Hygrothermograph. Humidity (RH) Range: 0 to 100% Accuracy: ±5% from 20 to 90% RH, ±7% outside RH Sensor: humidity sensing coil Temperature Range: -27 to 122°F, ±3.6° (resolution 2°F chart graduations) -15 to 50°C, ±2° (resolution 2° chart graduatios) Temperature Sensor: aged bimetallic strip 7 day (172 hour) chart rotation, 3.7"H x 8.7"L chart size. Compact size (4.92" H x 7.28" W) makes this hygrothermograph fit almost anywhere and employs a quartz-controlled drive mechanism for constant speed. Includes: AA battery (1). |