Description In a compact case protected by a shockproof sheath, the Physics Line C.A. 847 materials humidity indicator checks the humidity content from 6 to 100% in construction materials like plaster, wood, etc. 2 display scales with 20 LEDs: 6 to 23 % / 24 to 100 % Integrated, replaceable electrodes (L = 12 mm) Battery charge indication Dimensions: 195 x 60.5 x 38 mm Weight: 160 g Shockproof sheath