Amazon.com: Klein Tools ET140 Pinless Moisture Meter for Non-Destructive Moisture Detection in Drywall, Wood, and Masonry; Detects up to 3/4-Inch Below Surface : Everything Else
pH Meter – Brunnings
Ozito 6 -60% 0.2 -2.9% Digital Moisture Meter ODMM-P11 - Bunnings Australia