Testo-625 Portable Hygrometer

The Testo 625 Thermohygrometer is a versatile tool for accurate air temperature, relative humidity, dew point, and wet bulb temperature measurements. Its long-lasting humidity sensor ensures reliable performance over time, making it ideal for monitoring storage conditions, detecting mold risk, and ensuring indoor air quality. The device features a hold function to freeze readings, auto power-off to conserve battery, and a backlit display for easy readability in any lighting condition.

Key Features:

• Accurate Temperature and Humidity Measurement:
  • Humidity sensor measures air temperature and RH with precision.
• Dew Point and Wet Bulb Calculations: Helps assess indoor climate conditions and detect mold risks.
• Hold Function: Freezes the last reading for easy reference.
• Min/Max Readings: View minimum and maximum values at the touch of a button.
• Auto Power-Off: Extends battery life by powering off automatically when idle.
• Optional Wireless Accessories:
  • Wireless hand grip and module for remote readings up to 65 feet (20 meters).
  • TopSafe carry case for impact and dirt protection during transport and storage.

Technical Data:

Temperature Measurement – NTC:

• Range: 14.0° to 140.0 °F / -10 to +60 °C
• Accuracy: ±0.9 °F / ±0.5 °C
• Resolution: 0.1 °F / 0.1 °C

Temperature Measurement – Type K TC (with Probe):

• Range: -328.0° to 2498.0 °F / -200 to +1370 °C
• Accuracy: See probe data
• Resolution: 0.1 °F / 0.1 °C

Humidity Measurement – Capacitive:

• Range: 0.0 to 100.0 %RH
• Accuracy: ±2.5 %RH (5 to 95 %RH)
• Resolution: 0.1 %RH