• Temperature measurement range/resolution: -4° to 158°F (-20° to 70°C)/0.1°
• Temperature measurement accuracy: ±1.2°F (±0.6°C)
• RH measurement range/resolution: 5 to 95%/0.1%RH
• RH measurement accuracy: ±3% from 10 to 90%RH; ±5% elsewhere in range
• Data logging capacity: 16,000 pairs of temperature and humidity readings

The #LTH8809DL temperature-humidity monitor/data logger is ideal for HVAC/R applications. Its big, bright red LED display can be seen from a distance.