Humidity Measurement

Records temperature and humidity on 1 or 3 month rotation for months of unattended monitoring. Quartz-controlled strip chart drive consistently rotates chart drum even when batteries are weak. Range is 5 to 90% RH with accuracy of ±3% from 10 to 90% RH (1% chart graduations). Temperature range is -20 to 50°C with accuracy of ±1°C (1°C chart graduations). Corrosion-resistant...

Oakton Hygrothermograph Chart Recorder Paper, -20 to 50C, 3 Month, 2 Hour Rotation.

This sturdy, battery-operated hygrothermograph can record for up to 32 days. Select 1-, 7- or 32-day operation with the flip of a switch. Reads humidity range of 5 to 90% (±3% from 10 to 90% RH). Temperature range is -10 to 50°C (14 to 122°F). Quartz-controlled drive mechanism consistently rotates chart drum even when batteries are weak. Lightweight, corrosion-resistant...

So economical, you’ll want several for monitoring and recording environmental conditions. This hygrothermograph is compact so it fits almost anywhere. Record temperature and humidity on 7-day rotation. Range is 5 to 90% RH with 5% RH resolution. Temperature range is -6 to 40°C or 22 to 104°F with 2° resolution. Quartz-controlled drive is employed for accuracy; operates for...

The uniquely compact Bacharach Sling Psychrometer accurately determines percent relative humidity without the necessity of consulting complex tables. No need to wet the wick each time a reading is taken; a built in water reservoir holds sufficient water for several hours of testing. The Sling Psychrometer contains a slide rule calculator which correlates wet and dry bulb...

The uniquely compact Bacharach Sling Psychrometer accurately determines percent relative humidity without the necessity of consulting complex tables. No need to wet the wick each time a reading is taken; a built in water reservoir holds sufficient water for several hours of testing. The Sling Psychrometer contains a slide rule calculator which correlates wet and dry bulb...

Perfect quality-control unit displays accurate answers for every air measurement. Self-contained, the humidity and temperature sensors are built- in. Easy-to-operate unit features a DATA HOLD switch allowing readings to be captured and noted. General-purpose unit has a relative humidity range of 10.00 to 95.00% with a resolution of 0.01% and an accuracy of ±1.5% RH....

Unit simultaneously displays humidity or dew point and temperature. One of the newest and fastest humidity sensors ever developed displays full-range humidity changes in 5-30 seconds. It records wide humidity variations on a second-to-second basis. Monitor labs, clean rooms, food processing, and all humidity-sensitive manufacturing areas with this high-resolution unit....