03-9311N-O 62MM Prism With Nitrogen-Filled Canister 23MAGHUB4 The Keson Large Measuring Wheel

The Keson Large Measuring Wheel Case has 2 options that vary on the wheel type

You can adjust the ML-3’s sensitivity and block out possible interfering magnetic field signals

Measuring a grade value through an existing pipe or an open trench can also be done quickly and easily in automatic Spot Match mode

layout and squaring

This is made from steel

03-9311N-O 62MM Prism With Nitrogen-Filled Canister 23MAGHUB4 The Keson Large Measuring WheelThe 9311 is a hi performance prism assembly with universal M20 threaded insert. 62mm prism is assembled in a nitrogen (N2) sealed canister. 62mm precision ground glass Nitrogen sealed prism in canister Accuracy up to 2 arc second M20 universal threaded insert on canister