sokkia digital level S SDL30 / SDL50

Product Description

del SDL30 SDL50

Height accuracy

(ISO 17123-2)*

Electronic BIS30A staff 0.4mm (0.016in.) 0.6mm (0.024in.)

BIS20/30 staffs 0.6mm (0.024in.) 0.8mm (0.03in.)

BGS staffs 1.0mm (0.04in.) 1.5mm (0.06in.)

Visual BGS staffs 1.0mm (0.04in.) 2.0mm (0.08in.)

Distance accuracy

(D: measuring distance)

Electronic <-/+10mm (-/+0.4in.) D<=10m (D<=33ft.)

<-/+0.1% x D [10

<-/+0.2% x D [50

Measuring range Electronic 1.6 to 100m (5.3 to 328ft.)

Visual from 1.5m (5.0ft.)

Measuring mode Single / Repeat / Average / Tracking / Wave-and-Read

Display 

resolution

Height 0.0001/0.001/0.01m (0.001/0.01/1ft., 1/8in.)

Distance 0.01/0.1m (0.1/1ft., 1in.)

Measuring time Single / Repeat <2.5s

Average <2.5s x [number of measurements]

Tracking <1s

Minimum brightness condition 20 lux at the surface of staff (with natural light)

Telescope Objective aperture 45mm (1.8in.) 36mm (1.4in.)

Magnification / Resolving power 32x / 3" 28x / 3.5"

Minimum focus / Field of view 1.5m (5ft.) / 120'

Compensator Type Pendulum compensator with 

magnetic damping system

Working range -/+15'

Sensitivity of circular level 10'/2mm

Horizontal circle Diameter: 103mm (4in.), Graduation: 1 (1gon)

Display Dot matrix LCD (128 x 32 dot) with illuminator

Keyboard 8 keys (7 keys on front panel, 1 key on side panel)

Data storage 2,000 points internal memory

Interface RS-232C, baud rate 1,200 to 38,400bps

Onboard programs Elevation / Height difference / Cut & Fill setting-out / 

Setting-out distance / Height measurement

Water resistance IPX4 (IEC60529:2001)

Operating temperature -20 to +50C (-4 to 122F)

Size W158 x D257 x H182mm 

(W6.2 x D10.1 x H7.2in.)

Weight with battery 2.4kg (5.3 lb.)

Standard battery BDC46B (Rechargeable Li-ion, 7.2V, 2.45Ah)