The model 622 measures the current temperature, humidity and air pressure. In addition, it displays date and time. The model 623 thermohygrometer measures the temperature and humidity in offices, living spaces, and commercial premises, and logs the readings for 90 days.

• Table and wall mount available
• A visual LED alarm alerts when room’s thresholds are reached

The testo model 622 digital hygrometer and barometer is ideal for monitoring the ambient air. The meter measures the air temperature, relative humidity and the air pressure at a rate of once every ten seconds and displays the values – including the time and date – on the large easy-to-read display.

The compact design, the large, easy-to-read display, the rate at which the meter carries out measurements and a battery life of up to 12 months ensure that your testo 622 is well-equipped to monitor the ambient air and provide you with accurate and reliable results. The batteries are easy to replace.

The model 623 provides current and past temperature and humidity values as well as date and time on an easy to read display.

The testo 623 hygrometer is designed to monitor the indoor temperature and relative humidity accurately and reliably. User-defined settings allow you to determine the length of the intervals between measurements – from 5 minutes to 24 hours. The readings are saved automatically over a period of 90 days.

The large, easy-to-read display shows a variety of information including the last reading, the time and date and a 90-day statistic. This statistic allows you to carry out a long-term analysis of the indoor temperature or humidity of the room without first having to access your computer. The long-term stable sensor guarantees long-term, high-quality readings aids you relying on your hygrometer for reliable readings for years to come.