Testo 623 Hygrometer - Temp -10 to 60°C, RH, 90-Day Data Storage

The Testo 623 Hygrometer is a compact, stylish device designed to monitor temperature and humidity accurately in offices, living spaces, and commercial premises. With its large, easy-to-read display and long-term stable sensors, the hygrometer provides reliable readings while blending seamlessly into any interior.

Key Features:

• Real-Time Monitoring: Accurately measures and displays temperature and relative humidity.
• User-Defined Measurement Intervals: Choose intervals from 5 minutes to 24 hours to suit your needs.
• Automatic Data Storage: Saves readings for up to 90 days to allow long-term trend analysis.
• Alarm Function: Alerts occupants when pre-defined thresholds are reached.
• Large Display: Shows current readings, time, date, and 90-day statistics at a glance.
• Long-Term Stability: The high-quality sensor ensures accurate and reliable readings over time.
• Flexible Placement: Compact design allows for wall-mounting or tabletop placement.

Technical Data:

Temperature Measurement (NTC):

• Range: -10 to +60 °C
• Accuracy: ±0.4 °C
• Resolution: 0.1 °C

Humidity Measurement (Capacitive):

• Range: 0 to 100 %RH*
• Accuracy:
  • ±3 %RH (remaining range)
  • ±2 %RH + 1 digit at +25 °C (10 to 90 %RH)
• Resolution: 0.1 %RH

General Technical Data:

• Operating Temperature: -10 to +60 °C
• Storage Temperature: -20 to +60 °C
• Measuring Rate: 20 seconds
• Product Material: ABS plastic housing
• Protection Class: IP30
• Weight: 240 g
• Dimensions: 185 x 105 x 36 mm
• Battery Type: 4 x AA batteries
• Battery Life: 12 months