Romus R93271 Ball Humidity Indicator Hc-3

Detects moisture up to 3 cm deep in concrete, anhydrite screed and plaster substrates. Non-destructive contact ball measurement. Specially calibrated to indicate measurements in % moisture according to 3 selection scales, as well as relative measurements from 0 to 100%. Supplied with 2 AA 1.5V batteries and protective cover. Monochrome display with illuminated background.

3 measurement scales:

• Concrete (non-destructive method): 0-6% - Beep at 4.5%.
• Gypsum (non-destructive method): 0-10% - Bip at 5%.
• Anhydrite screed (non-destructive method): 0-1.5% - Beep at 0.5%.

Interpretation of measurements: Direct reading of percentage, display of "wet/dry" interpretation and audible beep when the maximum permitted is exceeded.