The laser provides convenient setting up even in conditions of poor visibility. Can be pointed in either the zenith or nadir direction. Supplied with 4x AA-size alkaline batteries. Reflector centring accuracy 0.3mm, plummet accuracy 1.0mm at 1.5m.
Leica GZR103 Carrier with optical plumb for TPS / GPS. GZR103 Carrier is designed for GPS antenna and prisms. Rotatable carrier with longitudinal bubble for use in tribrachs without plummet.