Testo 175 H1 Temperature and Humidity Data Logger with NTC Temperature Sensor and Capacitive Humidity Sensor for Dewpoint Calculation

Testo 175 H1 - Temperature and Humidity Data Logger Hygrometer Temperature - NTC Measuring range -4° to 131 °F / -20 to +55 °C Accuracy ±0.7 °F (-4° to 131 °F) ±1 Digit / ±0.4 °C (-20 to +55 °C) ±1 Digit Resolution 0.1 °F / 0.1 °C Humidity - Capacitive Measuring range 0 to 100 %rH* Accuracy ±2 %rH (2 to 98 %rH at 77.0 °F / ±2 %RH (2 to 98 %RH) at +25 °C < ±1 %rH / year drift at +77 °F / < ±1 %RH / year drift at +25 °C ±0.03 %rF/K ±1 Digit Resolution 0.1 %rH * Not for