Measures and calculates relative humidity, air temperature, surface temperature, dewpoint temperature, and Delta T (the difference between surface and dewpoint temperature)

• Dual surface temperature ranges
• Internal memory stores up to 99 data sets complete with time/date stamp
• Real time internal clock/calendar
• Displays stored data sets directly or prints to a wireless infrared printer or downloads to a PC
• Simultaneously displays two parameters
• Simple operation with menu-drive options
• Audible and visual alarms in case of "unsafe" climate conditions
• Illuminated display and keypad
• High quality sensors eliminate drift