28x 1 5mm dumpy level accuracy

... 45mm Accuracy 1km double run 1.5mm Minimum Focus 0.8m Water Proof IP54 Features: · Easy one-touch operation, simply push the trigger key · Quicker and easier than an optical level Efficiency increased by 30% · The battery could work more than one week,

Automatic Levels auto level accuracy Digital Surveying Levels Dumpy level Builders Levels Manufacturer. Model HV-LE008 Telescope Standard deviation of 1KM double run leveling Digital Reading 1.5mm Optical Reading 2.0mm Distance Accuracy Digital Reading D...

...28X 32X Standard deviation for 1km: 2.5mm 2.0mm 1.5mm 1.5mm Double run leveling Objective Aperture: 34mm 36mm 36mm 38mm Field of View: 1°20' Shortest Focus Distance: 0.5m Compensator type: wire-hung and air-damping with locking system Working range of compensator: ±15' Levelling accuracy...

...level with magnetic damping for construction Survey Instrument Specification:　 Type NTDS20 NTDS24 NTDS28 NTDS32 Telescope Erect Zoom out 20X 24X 28x 32x Objective Lens Aperture 30mm 40mm Field of view 1°30' The mix Stadia 0.5m Stadia Ratio 100 Stadia Constant 0 Work Range ±12' Accuracy ±0.5'' ±0.4'' ±0.3'' Blister Precision 8'/2mm Diagraph on scale 1° or 1gon Standard error per male 2.5mm 2.0mm 1.5mm...

...level with magnetic damping for construction Survey Instrument Specification:　 Type NTDS20 NTDS24 NTDS28 NTDS32 Telescope Erect Zoom out 20X 24X 28x 32x Objective Lens Aperture 30mm 40mm Field of view 1°30' The mix Stadia 0.5m Stadia Ratio 100 Stadia Constant 0 Work Range ±12' Accuracy ±0.5'' ±0.4'' ±0.3'' Blister Precision 8'/2mm Diagraph on scale 1° or 1gon Standard error per male 2.5mm 2.0mm 1.5mm...