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We Buy / Sell Your -  Sokkia Power Level SDL50 Laser Level

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We Buy / Sell Your - Sokkia Power Level SDL50 Laser Level


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Sokkia SDL50 Sokkia Power Level SDL50 Laser Level

2.5 Seconds - High-Speed Measurement
Aim, Focus, and press a key. Height and distance are simultaneously measure in 2.5 seconds, 20 percent faster than ordinary digital levels.

Consistent Performance in Diverse Environments
The SDL50 provides the superior measurement capability under a variety of environmental conditions. Even when the staff surface is partially shaded, or in dim lighting conditions where the brightness at staff surface is as low as 20 lux, the SDL50 consistently provides reliable measurement results without downtime. A small flashlight is enough to illuminate the staff in the dark.

Automatic Recognition of Inverted Staff

The SDL50 automatically recognizes directions of RAB-Code staffs and displays the result with a minus sign (-) when the staff is inverted. Heigh of ceiling, overpass, bridge, road sign, tree branch, tunnel crown, and other objects can be easily measured without a calculator.

Wave-and-Read Technology
The innovative "Wave-and-Read' Technology provides an additional survey style option. The SDL50 tracks the RAB-Code staff waved back and forth to read the correct height. The staff reading becomes the minimum when it is in vertical position. The SDL50 automatically detects the least value of staff readings.

Choice of Accuracy

SDL50: 0.6mm (New Super-Invar Staff) / 0.8mm (Invar) / 1.5mm (Fiberglass)

Internal Memory
Up to 2,000 measurement data of elevation or height difference can be recorded in the internal memory. Auto mode records data as soon as the measurement results before recording. Stored data can be exported using the "Spectrum Link" Software.

Convenient Onboard Programs
The onboard measuremnt programs of SDL50 facilitate leveling and setting-out tasks. Programs include:
  • Elevation
  • Heigh Difference
  • Cut and Fill Setting-out
  • Setting-out in Distance


Height Accuracy
(ISO 17123-2)
                BIS30A Staff
                BIS20/30 Staffs
                BGS Staffs
                BGS Staffs

0.6mm (0.024in.)
0.8mm (0.03in.)
1.5mm (0.06in.)

2.0mm (0.08in.)
Distance Accuracy
(D: Measuring Distance)
<±10mm (±0.4in.) [D≤10m (D≤33ft.)]
<±0.1% x D [10<D≤50m (33<D≤ 164ft.)
<±0.2% x D [50<D≤100m (164<D≤328ft.)]
Measuring Range
1.6 to 100m (5.3 to 328ft.)
from 1.5m (5.0ft.)
Measuring Mode
Single / Repeat / Average / Tracking / Wave-and-Read
Display Resolution
0.0001/0.001/0.01m (0.001/0.01/1ft., 1/8in.)
0.01/0.1m (0.1/1ft., 1in.)
Measuring Time
Single / Repeat
<2.5s x [number of measurements]
Minimum brightness condition
20 lux at the surface of staff (with natural light)
Objective aperture
Magnification / Resolving Power
Minimum focus / Field of View
36mm (1.4in.)
28x / 3.5"
1.5m (5ft.) / 1°20'
Working Range
Pendulum compensator with magnetic damping system
Sensitivity of circular level
Horizontal Circle
Diameter: 103mm (4in.), Graduation: 1° (1gon)
Dot matrix LCD (128 x 32 dot) with illuminator
8 keys (7 key son front panel, 1 key on side panel)
Data storage
2,000 points internal memory
RS-232C, Baud rate 1,200 to 38,400bps
Onboard programs
Elevation / Height difference / Cut & Fill setting-out / Settin-out distance / Height measurement
Water Resistance
IPX4 (IEC60529:2001)
Operating Temperature
-20 to +50°C (-4 to 122°F)
W158 x D257 x H182mm
(W6.2 x D10.1 x H7.2in.)
Weight with Battery
2.4kg (5.3lb.)
Standard Battery
BDC46B (Rechargeable Li-ion, 7.2v, 2.45aH)
Operating Time
Approx. 16 hours at 25°C (77°F)

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