Viscosity Flow Cup – BS EN ISO 2431 and BS EN 535 (1991)


Manufactured by Rhopoint Instruments

Flow cups provide a viscosity value, usually expressed in a flow time, this being the time taken for the flow cup to empty though the hole in its base. The flow time can be calculated into centistokes (cSt).


Optional Extras

Calibration (ISO 9001)
Stand for all AML Flow Cups
Calibration Oil for user calibrations

Ink, paint, varnish and similar industries widely use flow cups to quickly calculate the viscosity of there products.

Viscosity Flow Cup, BS EN ISO 2431 and BS EN 535 (1991) usually available for next day delivery.

Optional calibration adds 5 working days to lead time.

Calibration service also available either on or offsite

Manufactured in the UK by Rhopoint Instruments

Type No.3 No.4 No.5 No.6 No.8
Orifice Diameter 3mm (0.12″) 4mm (0.16″) 5mm (0.20″) 6mm (0.24″) 8mm (0.31″)
Viscosity Range 7-42cSt 35-135cSt 91-325cSt 188-684cSt 600-2000cSt
Flow Times 30-100 sec 30-100 sec 30-100 sec 30-100 sec 30-100 sec