Void Measurement

The Abtus ABT4230 directly measures Versine, no calculation required.

Calibrated for use with 30,20 and 10m chord to directly give radius value. Also calibrated in mm – 0mm to 150mm.

Lightweight and can be used either way up.

String offset position to avoid formwork etc – 35mm to 80mm.

Fully non-conductive construction using GRP and Nylon 6.

Measures dynamic void – 0mm-25mm with 3x magnified scale.