Oakton Economical Minidrum Hygrothermograph.
Humidity (RH) Range: 5 to 90%
Accuracy: ±7% from 5 to 10% RH, ±5% from 10 to 90% RH
RH Sensor: one human hair bundle
Temperature Range: 22 to 104°F, ±3.6° (-6 to 40°C, ±2°)
Temperature Sensor: aged bimetallic strip
7 day (172 hour) chart rotation, 3.63"H x 8.19"L chart size.
Compact size (7.38" H) makes this hygrothermograph fit almost anywhere and employs a quartz-controlled drive mechanism for constant speed; operatres for 6 months on one AA battery.
Includes: AA battery (1), felt-tipped pens (1 red, 1 blue), and 7-day sheet of chart paper. |
