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Digital Standard Tar / Efflux Viscometer


The TB-1200 Digital Standard Tar / Efflux Viscometer is used for determining the viscosity of cutback, fluxed bituminous binders and bituminous emulsions. The Viscometer consists of a tank fitted with a thermostat, a rheostat, an agitator, an immersion heater to heat the water to the required temperature and a cooling coil for connection to the water supply.The temperature is checked with a thermometer capable of measuring in the 0-45°C range.

Cups, thermometer (TGT-2010), Go/Not Go Gauges and light mineral oil should be ordered separately.


  • EN 12846
  • EN 13357

Required Cup Sizes According to Different Standards:

  • EN 12846 : 2, 4 and 10 mm dia.
  • EN 13357 : 4 and 10 mm dia.


Accessories are not included in the price of main device (unless stated otherwise) and may be purchased separately if required.

TB-1202 Go/Not Go Gauge for 10mm Orifice, for TB-1208
TB-1204 Go/Not Go Gauge for 4mm Orifice, for TB-1210
TB-1206 Go/Not Go Gauge for 2mm Orifice, for TB-1210
TB-1208 Cup 10mm dia. for TB-1200
TB-1210 Cup 6mm dia. for TB-1200
TB-1212 Cup 2mm dia. for TB-1200
TGT-2010 Thermometer IP 8 C, 0 to 45°C
TB-1216 100ml Cylinder with Graduation at 20, 25 and 75ml
TB-1218 Light Mineral Oil for TB-1200, 5lt


Technical specifications are subject to change without notice.

Dimensions mm (W x D x H) 262 x 262 x 550
Weight (approx.) Kg 10
Power W 300