Conveniently check the humidity and temperature conditions in residential and professional settings to ensure comfort and safety. The RHT510 is a hygro-thermometer Psychrometer that measures relative humidity, temperature, Dew point, and wet bulb. General Purpose bead wire type K probe is included for measuring temperature up to ~480°f (250°c), while the meter can measure to 2372°f (1300°c) if used with other probes. Min/max function stores and recalls highest and lowest readings. Additional features include: large LCD display with backlight, data hold and auto power off with disable option. Complete with wrist strap, general Purpose type K bead wire temperature probe, and 3 AAA batteries.