Lignomat offers a line of RH handheld meters to measure the moisture in concrete using in-situ RH probes. The RH BluePeg Probes from Lignomat are reusable and can be easily placed and removed. The cable connection is an easy-to-plug-in, fail-proof 3.5mm stereo connector, the company notes. RH-only meters and combination meters with pin and scan mode are available. www.lignomat.comFor details, circle 225 on the Reader Inquiry Card.