Topcon DL-503 - Battery Charging; Charging Precautions and Procedure

77
Specifications
The coefficient of linear expansion: α=20 x 10
-6
/°C
Aluminum staff
BAS55: 50mm (W) x 27.8mm (D) x 5005mm (H)
(5 sections)
{2.0in. (W) x 1.1in. (D) x 16.4ft (H)}
1.9kg (4.2lb.) (one staff) 2.2kg (4.9lb.)
(one staff and case)
The coefficient of linear expansion : α=24 x 10
-6
/°C
Measurement
Horizontal circle: Diameter: 103mm
Graduation:1° / 1gon
Measuring range:*1
Height 0 to 4m (13.3 ft) (with BGS40 staff)
0 to 5m (16.7 ft) (with BGS50 staff)
DL-502:
0.0375 to 1.9305m (0.124 to 6.333 ft)
(with BIS20 staff)
0.0375 to 2.9725m (0.124 to 9.752 ft)
(with BIS30 staff)
Distance 1.6 to 100m
Minimum display:
Height 0.0001m / 0.001m (0.001 ft/0.01ft)
(selectable)
(single, repeat, average or Wave-and-
Read mode)
0.001m / 0.01m (0.01ft/0.1ft) (tracking
mode)
Distance 0.01m (0.1ft) (single, repeat or average
mode)
0.1m (1 ft) (tracking or Wave-and-Read
mode)
Accuracy:*1 (with staff BGS40/50 or BIS20/30)
Height Standard deviation for 1 km of double-run
DL-502:
Electronic Measurement
0.6mm (0.03in.) (with BIS20/30)
1.0mm (0.04in.) (with BGS40/50/50G)
1.2mm (0.047in.) (with BAS55)
Visual Measurement
1.0mm (0.04in.) (with BGS40/50/50G)
1.5mm (0.06in.) (with BAS55)
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