The EA20 is a Hygro-Thermometer that measures Relative Humidity, Temperature, Dew Point, and Wet Bulb and displays any two parameters (Temperature and Humidity or Dew Point, or Wet Bulb) simultaneously. Min/Max function stores and recalls highest and lowest readings. Timer function displays the elapsed time (mins : secs and day : hour). Additional features include: programmable auto power off time frame, switchable °C/°F temperature units, Data Hold, Auto power off, and Low battery and over-range indication. Complete with built-in stand, protective holster, probe sensor with 39 in. (1m) coiled cable, and 6 AAA batteries.
| Humidity | 10% to 95% | 0.10% | ±3% (30% to 95%) |
| ±5% (10% to 30%) | |||
| Temperature | -4 to 140°F (-20 to 60°C) | 0.1° | ±1.8°F (±1°C) |
| Dimensions | 5.9 x 2.8 x 1.4" (150 x 72 x 35mm) | ||
| Weight | 8.3oz. (235g) | ||
