TESTO 623

The TESTO 623 is a thermohygrometer. The thermohygrometer provides a quick and convenient means of measuring the temperature and humidity in offices, living spaces and commercial premises and logs the readings over a period of 90 days. User-defined settings allow user to determine the length of the intervals between measurements from 5minutes to 24hours. The readings are saved automatically over a period of 90 days and an alarm alerts the room's occupants when a threshold has been reached. 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 to carry out a long term analysis of the indoor temperature or humidity of the room without first having to access users computer.

• Measuring range from -10°C to +60°C, ±0.4°C accuracy, 0.1°C resolution(NTC)
• Measuring range from 0%RH to 100%RH, ±2%RH at 25°C accuracy, 0.1%RH resolution(humidity)
• Dimension is 185mm x 105mm x 36mm
• Operating temperature range from -10°C to +60°C
• Measuring rate is 20s
• ABS housing
• IP30 protection class
• 4 x type AA batteries