Standard Tar Viscometer

Standard Tar Viscometer


Used for determining the viscosity of cut-back bitumen and road oil. The apparatus, housed in a stainless steel case, consists of a tank fit with a thermostat, a rheostat, an agitator, an immersion heater to take the water to the required temperature and cooling coil for connection to the water supply. The temperature is checked by a 0-45°C thermometer.  Cups, thermometer and Go/Not go gauge have to be ordered separately. See accessories.
EN 13357requires the 4 and 10 mm cups, EN 12846 requireS the 2, 4 and 10 mm cups.

  • Power: 300 W
  • Overall dimensions: 262x262x550 mm
  • Weight approx.: 10 kg


  EN 12846‰EN 13357

Technische specificaties

Order nummers

81-B0122/C: Digital standard TAR viscometer. 230V, 50-60Hz, 1ph. 81-B0122/CZ: Digital standard TAR viscometer. 110V, 60Hz, 1ph.

Accessoires & toebehoren


81-B0122/B1: Go/Not go gauge for 10 mm orifice 81-B0122/B2: Spare cup 10 mm dia 81-B0123/B1: Go/No go gauge for 4 mm orifice 81-B0123/B2: Spare cup 4 mm dia 81-B0124/B1: Go/no gauge for 2 mm orifice: 81-B0124/B2: Cup 2 mm dia, conforming to EN 12846 82-B0122/3MF: Thermometer IP 8C range 0 to +44°C, mercury free with alternative liquid