Testo 623 – Hygrometer for Measuring Temperature and Relative Humidity

Temperature – NTC
Measuring range -10 to +60 °C
Accuracy ±0.4 °C
Resolution 0.1 °C
Humidity – Capacitive
Measuring 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
Weight 240 g
Dimensions 185 x 105 x 36 mm
Operating temperature -10 to +60 °C
Measuring rate 20 s
Product-/housing material ABS
Protection class IP30
EU-/EG-guidelines 2004/108/EG
Battery type 4 x type AA batteries
Battery life 12 Months
Storage temperature -20 to +60 °C

The compact and elegant hygrometer designed to grace any desk, table or wall and provides you with constantly reliable temperature and humidity readings in offices, living spaces or commercial premises.

The testo 623 hygrometer – technical features
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 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 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.

Delivery Scope
testo 623 thermohygrometer, batteries, calibration protocol, wall and table mount.

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