
NO LONGER MANUFACTURED
Wagner's Rapid RH Long Reader measures relative humidity in concrete slabs. The 5-in. long device was specifically designed for measuring slabs thicker than 4 in., but it's longer length makes it ideal for any test depth.
Fill out the form below to request more information about Rapid RH Long Reader



















![Fcp Racatac Chair 10893876[1]](https://img.forconstructionpros.com/mindful/acbm/workspaces/default/uploads/2025/10/fcp-racatac-chair-108938761.10l0At5WXv.png?ar=16%3A9&auto=format%2Ccompress&bg=fff&fill-color=fff&fit=fill&h=135&q=70&w=240)