Digital Psychrometer is designed to take very accurate quick readings for all areas where accurate relative humidity, temperature, dew point, and wet bulb temperatures must be taken.

This thermo-hygrometer has a reliable built-in microprocessor circuitry and Dew Point & Wet bulb is calculated in seconds. It also has advanced functional features such as easy to self-calibrate by salt bottle, replaceable remote probe, maximum/minimum and reset function, hold function, backlight function, switchable °C & F, tripod mountable, auto power off that can be disabled anytime, low battery indicator and battery life that can last 50 to 100 hours. 
Features:

• Read Min & Max from the meter powered on 
• Using Rotronic capacitor humidity sensor for the accurate reading, condensation will not affect meters' accuracy 
• Easy to self-calibration by using salt solution to maintain the accuracy of the meter 
• Low cost, fast response, high accuracy handheld model 
• Approved by strict quality and safety standards 
• Undoubtedly durable and very reliable 

 Specifications:

• Temperature Range : -10 ~ 60°C (-4 ~ 140°F)
• Wet bulb range : -13.4 ~ 59.9°C (7.88 ~ 139.8°F)
• Dew point range : -68 ~ 49.9°C (-90.4 ~ 122°F)
• Humidity
  • Accuracy : ±3% at 25°C
  • Resolution : 0.1%
• Temperature
  • Accuracy : ±1°F (0.6°C)
  •  Resolution : 0.1°C / 0.1°F
• Response time : 60 seconds typical
• Battery : 4 pcs AAA batteries
• Dimension : 175(H) x 70(W) x 33mm(T)

Set includes:

• 1 x Digital Psychrometer
• 4 x 1.5V AAA Battery
• 1 x Hard Carrying Case
• 1 x Remote & Detachable Probe
• 1 x English Operation manual