Flow Cups

The various viscosity cups comply with the relevant standards and are delivered with a certificate.

Ford Flow Cups

BYK-Gardner Ford Viscosity Cups are guaranteed to be within 3% (drain time of calibration oil) throughout the recommended use range.

For low viscosity liquids
Body made of solid bar aluminum
Stainless steel orifice
Calibrated against standard oils referenced to certified NIST oils (National Institute of Standards and Technology of United States)
Certified cups available on request

Standards:

ASTM

D333

D365

D1200

The following Ford cups are available:

Ford Cup No. 2 (25-120 cSt.)
Ford Cup No. 3 (45-220 cSt.)
Ford Cup No. 4 (70-370 cSt.)

DIN Flow Cups

This cup holds 100 ml ± 1 ml, and has an integrated orifice with a diameter of 4 mm ± 0.02 mm.

For low viscosity liquids
Body made of anodized aluminum
Stainless steel orifice, interior polished
Calibrated against standard oils referenced to certified PTB oils (Federal Institute of Physics and Metrology of Germany) to be within 3% (drain time of calibration oil)

Standards:

DIN

53 211*

*Note: DIN 53211 was withdraw in October 1996

The following DIN cups are available:

DIN Flow Cup 4mm (100-500 cSt.)
DIN Flow Cup with interchangeable orifices (2, 3, 4, 6, or 8mm)
(not certifiable)

ISO FLow Cups

This cup has a longer orifice, less tapered body and slightly different inner dimensions than the DIN 53211* flow cup and thus provides different efflux times. The extended measurement range makes the ISO cup a useful supplement of the DIN cup.

Recommended for international use
Body made of anodized aluminum
Stainless steel orifice, interior polished
Calibrated against standard oils referenced to certified PTB oils to be within 3% (drain time of calibration oil)