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GradoPlane 25X
It has single grade capability of +25% to -5% or dual grade of +15% to -5% and a self-leveling range up to 5°. Combined with a unique battery system which gives you seven different options, it can be powered by one NiMH battery pack or two for 100 hours…
GradoPlane 15
The GradoPlane 15 has high performance features, long range, and remote capability that make it ideal for precise grade control. It has a unique power system that’s very flexible and provides over three weeks of operation. Up to 1,500’ (450m) dia. range.