Avongard Standard Tell-Tale Crack Monitor Long Tape 8 cm) 1 Extra Long

8 cm) 1 Extra Long Sweep Arm

The clamps are designed to fit a pole diameter of 1

With inscription space for clear assignment of measurement points

Combined with the stadia calculation of distances from staff readings the NAK2 circle adds the application benefit of detail survey work

Avongard Standard Tell-Tale Crack Monitor Long Tape 8 cm) 1 Extra LongTell Tales are precision gauges uses to monitor movement of a crack, horizontal or vertically on a flat surface. The monitor that consist of two plates which overlap for a part of their length. The bottom plate is calibrated in millimeters and the top plate is transparent and marked with a hairline cursor in the form of a cross. The two pegs are removed. As the crack opens, or closes, the cursor moves relative to the calibration scale. The opening or