(This operations manual contains generial information and specification. Humidity: 0 - 100% RH (Non - Condensing). Humidity: ±3% RH (20% RH to 80% RH). Wet Bulb Temperature: 0°C - 80°C （32°F - 176°F）. Temperature: -20°C to 80 °C （-4°F to 176°F).
eBay