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SKU: A4000-003/1 Category:

Novo-Gloss 20/60/85° Glossmeter with Haze to ASTM E430

$3,339

24 Month Warranty Icon
  • 20/60/85° Gloss meter for matt to mirror finishes
  • Haze measurement to ASTM E430
  • Full statistical analysis with trend graphs
  • Pass / Fail for easy identification of non conformances
Description

The Novo-Gloss 20/60/85? gloss meter is designed to meet the measurement criteria for most gloss measuring applications. Small, lightweight and durable the gloss meter can be used in production and laboratory environments. The high specifications, including statistical analysis, graphical analysis and software-free PC down load facility make it the ideal gloss meter for matt to mirror surface finishes Measured parameters: Gloss measurement for all surface finishes:

  • 20° – High Gloss
  • 60° – Medium Gloss
  • 85° – Low Gloss

Haze measurement to ASTM E430

  • Reflectance haze measurement with compensation mode to provide consistent readings of metallics and speciality pigments

Gloss meter features

  • Fast measurement, single button push measures all parameters
  • On-board statistics with graphical trend analysis and reporting.
  • Automatic calibration with tile validation
  • Date and time stamped results
  • Easy Batching – User definable batch names and batch sizes for quicker and more efficient reporting
  • Software-free data transfer
  • Direct data input via Bluetooth – instantly transmit measured readings directly to programs such as Microsoft Excel
  • Auto-ranging, measures matt to mirror finishes
  • Pass / fail for easy identification of non-conformances
  • Compatible with all major international standards
  • Extended two year warranty
  • Lifetime lightsource guarantee

Novo Gloss trigloss gloss meter for all surfaces

Which gloss meter angle should I use for my application?

ASTM D523 and ISO 2813 are the most commonly used standards that describe three measurement angles of gloss using a gloss meter.

We measure gloss in gloss units (GU) and is traceable to reference standards held at NIST (Germany), NRC (Canada) or NPL (UK).

High Gloss: 20° The acute measurement angle of 20° gives better resolution for high gloss surfaces. Surfaces that measure at 70GU and above at the standard 60° angle are often measured with this geometry. The 20° angle is more sensitive to haze effects that affect the appearance of a surface.

Universal Measurement Angle: 60° Every gloss level can be measured using the standard measurement angle of 60°. This is the reference angle with complementary angles of 85° and 20° often used for high and low gloss levels respectively.

Low Gloss: 85° For enhanced resolution of low gloss a grazing angle of 85° is used to measure the surface. This angle is proposed for surfaces which measure less than 10GU when measured at 60°. This angle also has a greater measurement spot which will average out differences in the gloss of textured or slightly uneven surfaces.

Why measure Haze?

Haze can be expressed as near specular reflection. This is due to its microscopic surface structure which slightly changes the direction of a reflected light causing a bloom adjacent to the gloss angle. The surface has a shallow milky effect and a less reflective contrast. In the coatings industry, this microscopic surface texture is normally due to poorly dispersed or incompatible raw materials or oxidisation and weathering.

For polished metal surfaces, haze is often associated with chemical residue or polishing marks
quantify haze to ASTM E430 with the Novo Gloss glossmeter

Reflection Haze

Reflection haze is an optical phenomenon normally associated with high gloss surfaces. It is a usual surface fault that reduces appearance quality. A hazy surface has a visibly shallower reflection accompanied by a milky finish and halos that appear around reflections of strong light sources.

No Haze, deep reflection

No Haze, deep reflection

High Haze, ?shallow? finish

High Haze, shallow finish

A high gloss finish alongside haze exhibits a milky finish with low reflective contrast- reflected lowlights and highlights are less pronounced.

Low Haze

Low Haze

Higher Haze

Higher Haze

On surfaces with haze, halos are visible around the reflections of strong light sources.

Causes of Haze

Coating & Raw Materials
  • Dispersion
  • Pigment properties
  • Particle size
  • Binder compatibility
  • Influence and migration of additives
  • Resin types and quality

Curing

  • Drying conditions
  • Cure temperature

Post Coating

  • Polishing marks
  • Cleanliness
  • Ageing and oxidisation Haze- Often visible as a milky finish on high gloss surfaces.

measuring polishing marks with the Novo-Gloss gloss meter

The Ultimate Gloss Meter – Features

Measurement

High-speed measurement of all parameters. Full onboard statistics with graphical trend analysis and reporting.

20/60/85 tri gloss gloss meter measuring screen
Contemporaneous measurement of all parameters, results are date and time stamped.
Gloss meter graph
Graphical reporting for fast trend analysis.
Novo-Gloss gloss meter stats
Displays all statistics for the no° of readings in the current batch.
gloss meter pass fail
Pass/ fail parameters can be defined for instant identification of non-conformances.
Easy Batching
User definable batch names and batch sizes for prompt and more efficient reporting.
gloss meter batching
Rapid data transfer
Software-free data transfer from USB connection to PC which instantly recognises the device as a drive location which facilitates the fast transfer of files using Windows Explorer or similar. To measure the orange peel (DOI) of a the surface in addition to the above parameters, please see the Rhopoint IQ

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