Topcon RL-VH3A - Rotation Speeds and Scanning Width; Slope Setting and Plumb Finder Accuracy

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Rotation speeds
RL-VH3A/B :
Changeable : 30 to 600 r.p.m.
Level sensor mode : 600 r.p.m
When scanning : 80 r.p.m
RL-VH3G : Changeable : 30 to 300 r.p.m.
When scanning : 80 r.p.m
Scanning width : Maximum 180°
Line control
Operation distance :
3 to 50 m ( 9.8 to 164ft)
Head angle range : ±5°
Accuracy (from side to side in the index center)
:
3 to 5m : ±1mm
: 5 to 50m : ±1mm + 10" (3mm/50m)
Slope setting
Operation distance :
3 to 50 m ( 9.8 to 164ft)
Accuracy : 3 to 5m : ±1.5mm
: 5 to 50m : ±1.5mm+10" , (3.5mm/50m)
Range : Single axis : ±5°
Dual Axes : ±5° (Compound slope)
Plumb finder mode
Accuracy :
±15’
Power supply : 4 D-cell batteries (DC6 V), Rechargeable battery BT-49Q