Digital Hygrometer / Thermometer for the grow room
Fix the unit on a wall indoors and fix the probe outdoor through the window or a small hole in the wall.
The sensor probe only measures temperature. whereas the unit measures both temperature and humidity.
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.
Indoor : -10°C to 50°C Outdoor : -50°C to 70°C
25% RH - 98% RH When there is a malformed display showing, please reset the unit by taking out the battery for a few seconds.
Ambient temperature is the temperature your growing space sits at.
selection of Growshop Digital Hygrometer & Thermometer
