Topcon AT-B4A Heavy Duty 24X Automatic Optical Automatic Level Kit Adapters the RL-H5A carries an IP66

the RL-H5A carries an IP66 rating for complete protection against dust and powerful water jets

laminate flooring

excellent traction on various off-road surfaces

With a sealed aluminum head to provide impact and weather resistance

Topcon AT-B4A Heavy Duty 24X Automatic Optical Automatic Level Kit Adapters the RL-H5A carries an IP6624 X Magnification Topcon offers a wide range of automatic levels for the land surveyor, civil engineer, and contractor. All AT B series levels feature a magnetically damped wire hung having superior resistance to cold, heat and shock. All AT B series have a standard 360 horizontal circle. All models are waterproof with nitrogen gas sealed telescope which prevents clouding and moisture on the lens. Waterproof nitrogen gas filled Magnetically damped