One thermometer bulb is kept constantly wet by a siphon reservoir while the other gives a dry temperature reading. Humidity is obtained by comparing the two readings on the enclosed chart. The red liq...

The dial hygrometer / thermometer is ideal for classroom, lab or industrial use. Large, clear, 20 ~ 100% RH scale on 4" dial. Easily read from a distance. Uses a precise synthetic hair hygrometer with...

Simultaneously monitors both temperature and humidity on an extra large 3-3/16 x 2-1/2" dual display which can be read from across a room. For labs, chemical storage areas, clean rooms, stock rooms, w...

Use in small spaces such as desiccators, incubators, humidors, and refrigerators. Simultaneously displays temperature and humidity. Recall min/max temperature and humidity over any time period or have...

The remote ambient temperature / relative humidity sensor is mounted on a cord over 7’ long. Place the highly accurate sensor inside a desiccator, refrigerator, drying or other environmental chamber...

Read the temperature and RH inside a humidity chamber or desiccator without opening the door. Mount the wireless thermometer hygrometer sensor in green houses, warehouses, air ducts and other hard to ...

The remote ambient temperature / relative humidity sensor is mounted on a cord over 7’ long. Place the highly accurate sensor inside a desiccator, refrigerator, drying or other environmental chamber...

This alarm thermometer / hygrometer allows the user to set min/max temperature and humidity alarms. When the temperature or humidity exceeds the preset parameters, an audible alarm will sound. Simulta...

One thermometer bulb is kept constantly wet by a siphon reservoir while the other gives a dry temperature reading. Humidity is obtained by comparing the two readings on the enclosed chart. Uses a safe...