All same as EM-2G but with 4 PIN.
BOSSTEK MD-4G WOOD MOISTURE INDICATOR
Display : 2 x 10 LED. Measurement Scope - Range I : 7 - 15%. Range II : 16 - 35%. Accuracy : +1 place. Working Volt. : DC 9V.
HATCO EM-2G WOOD MOISTURE INDICATOR
HATCO EM-2G WOOD MOISTURE INDICATOR