Testo 622 Digital Hygrometer, ±2 %RH, ±3 %RH Accuracy, +60°C Max, 100%RH Max

Use this hygrometer from Testo for indoor ambient climate monitoring. The device monitors temperature, humidity and pressure for versatile use. It displays the readings on the large LED (light-emitting diode) backlit screen, so it's easy to see the readings in dark or dimly lit work areas. The device has nine buttons for enhanced control, so you can set the device up to display all the readings you need. A built-in alarm reminds you to recalibrate the unit when needed, so you can ensure the hygrometer is working optimally.

• Wide operating temperature range of -10°C to +60°C for use in a variety of environments
• AA battery has a lifespan of one year for long-lasting operation
• Comes with a hanging or standing bracket for versatile positioning in your work area
• Provides a new reading every 10 seconds for continually accurate measurements

• Laboratory experiments
• Food manufacturing plants
• Industrial spaces
• Botanical greenhouses

This hygrometer contains a piezoresistive sensor that uses changes in electrical resistance to measure pressure and produce precise readings.