Extech Humidity, Temperature Pen, Extech Instruments (CAT#: STEM-AIAE-0050-LKN)

Compact, Digital Hygro-Thermometer. Measures Temperature (°C/°F) and Relative Humidity simultaneously. Dual LCD display for Temperature, Humidity, and advanced function indication.

Humidity range: 10 ‑ 90 %RH
Temperature: -10 ‑ 50 °C
Size: 5.7 in. (145 mm) × 1.2 in. (30 mm) × 1 in. (25 mm)
Weight: 2.3 oz (65 g)
Battery power: 3 V lithium

Built-in Temperature and Humidity sensors for convenient operation.
Max/Min memory functions for both Temperature & Relative Humidity.
Built-in self calibration utility with optional RH calibration bottles.
Data Hold for freezing the LCD display status.
Complete with pocket clip and 3V lithium battery.