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Description IW4/IW7 WB/WBV
6 D1 0412BA1-GB04
1.3.2 Mechanical Data
IW7
(4 wd)
IW4
(4 wd)
Axle load (Standard) roller
set, closed, self-supporting
max. 18 t max. 13 t
Track ( e.g. Roller set No. 2) min.= 200 mm
max.=track min.+2200 mm
min.= 200 mm
max.=track min.+2200 mm
Roller diameter 265 mm 202 mm
Roller axle separation 475 mm 430 mm
Dimensions roller set (HxWxL) 700x1142x1427 mm (HxWxL) 500x1043x1225mm
Test speed
IW7/1 3 km/h IW4/1 2.3 km/h
IW7/2 3 km/h IW4/2 2.3 km/h
IW7/3 3 km/h and 6 km/h
IW7/4 3 km/h and 6 km/h
Roller friction coefficients
Steel IW7
(4 wd)
IW4
(4 wd)
Plastic IW7
(4 wd)
IW4
(4 wd)
Dry ca. 0.9 ca. 0.9 dry ca. 0.9 ca. 0.9
Wet ca. 0.9 ca. 0.7 wet ca. 0.9 ca. 0.9
Display range depending on model
IW7 (4 wd) IW4 (4 wd)
small measuring range 2 x 0-6 kN (optional 2 x 0-8 kN) 2 x 0-7,5 kN
large measuring range 2 x 0-30 kN
(optional 2 x 0-40 kN)
2 x 0-30 kN
Diameter Analog display 350 mm 350 mm
Display accuracy > 2%
Measuring accuracy > 1%
Operating temperature -10°C to +40°C
Double pressure pneumatic gauge
Pressure gauge dial diameter 200 mm