Iwata Cup（NK-2 Cup）
Description: The Iwata cup is based on the Japan method of liquid viscosity measurement. It has a tapered orifice with the internal diameter of 50mm to the external diameter 86mm. However, the procedure of usage is the same as that of the Zahn Cups.
Technical Parameters:
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Volume of Cup
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50ml±2ml
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Orifice Diameter
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Φ3.5±0.05mm
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Cup Material
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Nickel-plated brass
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Cup External Diameter
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42.0±0.2mm
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Cup Internal Diameter
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35.0±0.2mm
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Measuring range/Efflux time
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70～370 cSt（10s～60s）
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Ordering information
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NK-2 Iwata Cup
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