Frequently Asked Questions

What is the unit for gloss?

The percentage symbol is a widely used unit for gloss. A measurement value is usually recorded along the incident angle, make and model number of the gloss meter used to take that measurement.

What is the difference between IG-331 and IG-320?

Data resolution of IG-320 is 0.1 and 1 for IG-331. The IG-320 comes with additional data memory function capability. 

Is there anything that cannot be measured?

A polished metal with very high gloss cannot be measured. The surface to be measured needs to be flat. Curved or uneven surfaces cannot be measured.

What is the standard used for gloss measurement?

Gloss of 100% has either 10% reflection coefficient at 600 incident light angle over a glass with a 1.567 refractive index, or 5% reflection coefficient with 200 incident light angle over the same glass.

What happens when the measurement is off-scale?

The word "over" is displayed and the value "199" will flash to show that the measurements is "above 199".

Is it difficult to use?

No. Turn HORIBA Gloss Checkers on and simply place it on the surface you wish to measure. The compact and lightweight design is easy for anyone to use. It can speed up the inspection process.

Can you measure small objects?

IG-320 measures an oval area of 6*12mm, and IG-331 measures an oval area of 3*6mm. An object must have a flat surface larger than these to be measured.

How often do i recalibrate?

It is recommended that you calibrate after changing batteries or an extended period of nonuse.

What is a standard calibration surface?

It is a flat piece of plastic that is used for calibration. It is also the instrument's protective cover.