• Ideal for plants, labs, and all other environments where there is a need to monitor conditions of environmental air parameters.
• A four-line LCD continuously and simultaneously shows barometric pressure, temperature, relative humidity, barometric pressure trend and time-of-day.
• Minimum\Maximum readings for barometric pressure, temperature and relative humidity are stored every hour for the last 24 hours and are available for recall at the touch of a button.
• HI/LO alarms can be set for barometric pressure, temperature, and relative humidity.

Specifications: 

• Barometric pressure range from 500 to 1030 millibars (mbar) with a resolution of 1 mbar.
• Accuracy is ±4 mbar.
• Barometric pressure trend shows in bar-chart format the current and past 1-, 3-, 6-, 12-, and 24-hour readings.  
• Switching permits viewing in milibars (mbar), inches of mercury (inHg), or hectopascals (hPa).
• Altitude compensation is –100 to 2500 meters.
• Temperature range is 32 to 131ºF and 0 to 55ºC.
• Resolution is 0.1° and accuracy is ±0.4°C.  
• Relative humidity range is 5 to 95%.
• Resolution is 1% RH and accuracy is ±3% RH between 5 to 75%, otherwise ±5% RH.

Supplied: Traceable^® Certificate, wall mount, flip open stand and batteries. Size: 4 x 3 x 1 inches. Weight: 7 ounces.