Hygrometer / Thermometer / Barometer / Dew Point Pen Fisher Science Education™ Traceable® 32° to 122°F (0 to 50°C) Internal Sensor Handheld Battery Operated

User-selectable dual display shows humidity/temperature, humidity/dew point, barometer/temperature or barometer/humidity

High contrast 0.375 in. high LCD digits

At the press of a button, unit recalls minimum/maximum readings

Tough ABS plastic housing, water-resistant O-ring sealing, and membrane keypad for durability and longevity

Relative humidity range: 10.0 to 95.0%RH, with a resolution of 0.1%

Accuracy: ±2.5 hPa and ±3%RH mid-range to ±4%RH Temperature range: 0.0° to 50.0°C (32.0° to 122.0°F), with a resolution of 0.1° and accuracy of ±1°C

Dew point range: 13.5° to 120.1°F and -25.3° to +48.9°C, with a resolution of 0.01°