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Datasheet PDF | Instruction Manual PDF
Description
The stationary Testo 623 thermohygrometer is engineered for accurate monitoring and continuous logging of air temperature and relative humidity inside buildings, laboratories, and offices. Featuring an integrated memory module, the instrument autonomously records data over a 90-day period, displaying current readings alongside comprehensive local statistical trends directly on a prominent LCD screen. It eliminates the immediate need for a computer connection to execute long-term environmental assessments. Configurable safety profiles trigger built-in alerts when environmental thresholds are breached, supported by a high-stability capacitive sensor for long-term consistency.
Industry Applications
- Office and Building Automation: Regular auditing of climate variables in commercial real estate to manage internal ventilation cycles.
- Laboratory and Calibration Infrastructure: Providing traceable air tracking parameters vital during sensitive instrument test sequences.
- Museums and Archive Preservation: Ensuring continuous microclimate stability to shield delicate artifacts from moisture-induced breakdown.
Technical Parameters
- Temperature Measuring Range (NTC): -10 to +60 C
- Temperature Accuracy: +-0.4 C
- Temperature Resolution: 0.1 C
- Humidity Measuring Range (Capacitive): 0 to 100 %RH (Non-condensing)
- Humidity Accuracy: +-2 %RH + 1 Digit at +25 C (10 to 90 %RH)
- Measuring Interval Rate: Adjustable from 5 min to 24 h (Default sampling: 20 s)
- Memory Storage Profile: 90 days internal history tracing
- Dimensions: 185 x 105 x 36 mm
- Weight: 240 g
- Protection Class: IP30
- Battery Setup: 4 x type AA batteries (12 months operating life)
Package Content
- Testo 623 thermohygrometer
- Table and wall mount
- 4 x AA batteries
- Calibration protocol