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Alerts when room’s thresholds are reached
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Large, easy-to-read display shows current the time and date and a 90-day statistic
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Long-term stable sensor – for long-term, high-quality measurements
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Table and wall mount available
The elegantly designed testo 623 hygrometer provides you with a quick and convenient means of measuring the indoor temperature and humidity in offices, living spaces and commercial premises and logs the readings over a period of 90 days.