Portable paper and wood hygrometer model 690

Wood and paper hygrometer digital model with a range of 8% t 28% made in Taiwan with CE invoice. Has a simple function, the mechanism of measuring electrical resistance. Three lights to display wood moisture.

• Three LEDs and three and one digital LCD display
• Humidity range 8 to 28%
• Battery status display
• Ambient temperature zero to 40 degrees Celsius
• Weight 150 grams