Ventilution Indoor & Outdoor Digital Hygrometer / Thermometer

Indoor / Outdoor thermometer with Hygrometer 

Temperature Range : 

Indoor  : -10°C to 50°C

Outdoor : -50°C to 70°C

Indoor Hygrometer Range : 

25% RH – 98%  RH

TIPS AND TRICKS 

• Fix the unit on a wall indoor with a screw and fix the sensor probe outdoor through the window or a small hole in the wall.
• Check the maximum or minimum temperature and humidity by pressing the MAX./MIN. switch. The memory will show the maximum or minimum temperature / humidity of the period from the last reset on the relative display.
• Before you press it for a second time , please wait for the max. or min. to appear on the display.
• Reset the memory by pressing the RESET switch once.
• For °C and °F conversion, push the switch at the back.
• Use on 1.5 volt AA battery.

When there is a malformed display showing, please reset the unit by taking out the battery for a few seconds.