Technical parameters: Power supply: AC 220 v± 10 % 50 Hz, Surveying range, 1-2 x 10,000 mPa.s surveying error, ±2% "Newton liquid" measuring rotor, 1 - 4, 4 types of rotors measuring speed: 0.3 r/min / min, 0.6 r/min / min, 1.5 r/min / min, 1.5 r/min / min, 3 r/min, 3 r/min, 1.5 r/min, 3 r/min. r/min,6 r/min, 12r/min, 30r/min, 60r/min, Body Size: 15.0 x 12.6 x 15.4 inches (380 x 320 x 390 mm) (excluding base) Net Weight: (not including base) 11.0 lbs (5 kg).