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Operating Manual
45°, 60° | 20/60/85° Trio
20/60/85° with Haze
Thank you for purchasing this Rhopoint product.
Please read these instructions carefully before operating this product and retain them for future
reference. The images shown in this manual are for illustrative purposes only.
Manufactured by Rhopoint Instruments in the United Kingdom
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Table of Contents
Related Manuals for Rhopoint Novo-Gloss 45
Summary of Contents for Rhopoint Novo-Gloss 45
- Page 1 Thank you for purchasing this Rhopoint product. Please read these instructions carefully before operating this product and retain them for future reference. The images shown in this manual are for illustrative purposes only. Manufactured by Rhopoint Instruments in the United Kingdom...
- Page 2 © Copyright 2023 Rhopoint Instruments Ltd. All Rights Reserved. Rhopoint is a registered trademark or trademark of Rhopoint Instruments Ltd in the UK and other countries. Other product and company names mentioned herein may be trademarks of their respective owner.
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Page 3: Table Of Contents
Contents Storage and Handling Accessories Functional overview Power USB Connectivity Switching the instrument on Operation Menu Screen Batching Options Viewing Batch Data User Defined Batch Names Setup Screen Data & Batch Screen Calibration Screen Measurement Screen Pass/Fail Setup Screen IQ Screen* Control Screen Instrument Setup Screen Maintenance Screen... -
Page 4: Storage And Handling
Storage and Handling This instrument contains precision optics and electronics. You should avoid knocking or dropping the • device as the resulting impact could cause serious damage. In some circumstances the optical components in the instrument could become misted due to temperature •... -
Page 5: Accessories
Accessories The instrument is supplied as a standard package complete with all accessories required to calibrate and recharge the unit including: Rhopoint Novo-Gloss 45° or • Rhopoint Novo-Gloss 60° or • Novo-Gloss Trio or • Novo-Gloss 20/60/85° with Haze Glossmeter •... -
Page 6: Functional Overview
Functional overview Label No. Function USB Connector High Resolution Graphic Display Up/Down/Left/Right Buttons Operate / Enter Button Calibration Tile (magnetised) On / Off Button The instrument is controlled by pressing the relevant touch sensitive button. Functionality is dependent on whether the instrument is in menu or operate mode as detailed in the operation sections that follow. -
Page 7: Power
Power The Novo-Gloss is powered by an integrated high capacity lithium ion cell. Fully charged the instrument will operate continuously for >17 Hours or >20,000 readings. A mains powered USB charger is provided with the unit. This will fully charge the unit when connected to the unit’s USB input (6) in up to 9 hours. -
Page 8: Usb Connectivity
USB Connectivity Three functions are available when the Novo-Gloss is connected to a computer using the USB cable supplied – Access Files – Allows access to measurement and configuration files on the instrument. The instrument appears as a USB drive named NG-METER. When selected the display on the instrument shows a USB memory key as shown below –... -
Page 9: Switching The Instrument On
On / Off button located above and to the right of the USB socket. The instrument will display the Rhopoint logo and then the Home screen displaying measurement parameters according to the instruments default settings or those previously configured. Novo-Gloss... -
Page 10: Operation
Operation With the unit switched on and initialised the instrument will display the Home screen as shown below. Measurement ready Bluetooth enabled Navigation Battery meter options Gloss geometry Gloss reading IQ readings IQ values Batch name Date and time In this mode, measurements can be made by simply pressing the operate button (4) on the instrument’s keypad. - Page 11 Two options are available: either to “Calibrate” the instrument on the calibration tile before making the measurement or to “Measure” without performing a calibration. Using the Left / Right (3) and Enter (4) buttons on the keypad the required option can be selected. Selecting “Calibrate”...
- Page 12 If the Pass / Fail feature is enabled, the colour of the angle header indicates if the last reading is within the user defined tolerances. Press the Right button in the gloss statistics screen to access the gloss graph screen, which gives a graphical representation of the statistics data.
- Page 13 *The Novo-Gloss 20/60/85 with Haze has additional screens available to display haze graph and statistics. Press the Up/Down buttons to switch between Gloss and Haze screens. In the Home screen press the Left button to display the Stored Data screen. When Memory is set to ON (as detailed later in the Menu Screen section of this manual) measurements can be recalled and displayed from any batch stored in the IQ memory.
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Page 14: Menu Screen
Menu Screen The Menu Screen is used for quick access to frequently used options. Press the Up / Down buttons to navigate through the options, press the Enter button to select the option required. Selectable settings in the menu screen are: - Memory –... -
Page 15: Batching Options
Batching Options The batching feature allows the user to group measurements together in batches. Each batch has associated statistics; the data for each batch can be accessed by connecting the instrument to a PC. The current batch name is displayed on the Home screen in the bottom left corner, the sample number within that batch is shown in the top right of the screen indicated with n=(sample number). -
Page 16: User Defined Batch Names
User Defined Batch Names Batch names are user definable. With the instrument connected to a PC, open the folder named “CONFIG”. Within this folder there is a document named “batches”. This is a .csv file that can be opened in Notepad, Excel or Wordpad. -
Page 17: Setup Screen
Instrument Setup - Language, Date / Time and Power options (Setup Menu Screen) Factory Menu - Pin locked menu options for Rhopoint authorised service centres About Menu - Information relating to the instrument’s firmware, serial number and last date of... -
Page 18: Data & Batch Screen
Data & Batch Screen The Data & Batch Screen is similar in functionality to that of the menu screen but also allows the selection and setting of the Auto Batch size. By selecting Auto Batch to ON the batch size can be selected between 1 – 999. Press the Left Right buttons to select the relevant digit and the... -
Page 19: Calibration Screen
Calibration Screen The Calibration Screen is used to setup the instrument calibration to the user’s preference. Press the Up / Down buttons to navigates through the options, press the Enter button to select the option required. Selectable settings in the Calibration screen are: Calibrate Instrument - Performs an instant calibration of the instrument;... -
Page 20: Measurement Screen
Measurement Screen The Measurement Screen is used to configure the instruments measurement parameters to the user’s preference. Press the Up / Down buttons to navigate through the options, press the Enter button to select the option required. Press the Right button to enter the IQ Screen* Selectable settings in the Measurement screen are: - Pass/Fail -... - Page 21 GU – display Gloss Units With Reflectance set to % measurement results for each angle are displayed as - With Reflectance set to GU measurement results for each angle are displayed as - Novo-Gloss...
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Page 22: Pass/Fail Setup Screen
Pass/Fail Setup Screen The Pass / Fail Setup screen is used to enable/disable on screen pass/fail indication and set measurement criteria. The Down key should be used to navigate to the Pass / Fail option and the center button pressed to toggle the feature on and off. -
Page 23: Iq Screen
IQ Screen* The IQ screen is used to configure the instruments IQ settings. IQ - Selects IQ information to be either displayed (ON) or not displayed (OFF) on screen Haze – Selects Haze measurement according to test method ASTM E430, test method ASTM D4039 or logHaze (a more sensitive measurement). -
Page 24: Control Screen
Control Screen The Control Screen is used to configure the instruments Bluetooth parameters to the user’s preference. Press the Up / Down buttons to navigate through the options, press the Enter button to select the option required. Settings in the Control screen are: ID –... -
Page 25: Instrument Setup Screen
Instrument Setup Screen The Instrument Setup screen is used to configure the instruments basic operating environment to the user’s preference. Press the Up / Down buttons to navigate through the options, press the Enter button to select the option required. Selectable settings in the Instrument Setup screen are:- Language –... - Page 26 In the Home screen, press and hold the On / Off button, the display will change as shown below- Press the button to rotate the screen. Only one rotation is possible each time the On / Off button is pressed. Press the Down button to start a new batch, this action is either confirmed or cancelled by selecting the...
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Page 27: Maintenance Screen
Maintenance Screen The Maintenance screen is used by Rhopoint Approved Service Centres. It is PIN locked to prevented unauthorised access. There are no user configurable settings available in this menu. Press the Enter button to return to the Home screen About Screen The About screen is for information only. -
Page 28: Appearance Theory
The Gloss Unit (GU) is defined in international standards including ISO 2813 and ASTM D523. It is determined by the amount of reflected light from a glass standard of known refractive index. Calibration tiles supplied with Rhopoint instruments are traceable to master glass standards held at NIST (USA). Novo-Gloss... - Page 29 The measurement angles most commonly used for gloss are 20°, 60° and 85°. The most appropriate angle should be selected dependent on the glossiness of the sample surface. • Using the correct measurement geometry increases resolution and improves the correlation of results •...
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Page 30: Reflectance
% Reflectance Materials having a high refractive index such as clear plastics and varnishes can typically have measurement values that exceed 100GU due to multiple reflections occurring within the material. Highly reflective metals can also produce gloss values up to 2000GU. In these cases, it is common not to report values in GU but to express them in terms of percentage Reflectance. -
Page 31: Haze
Haze* Haze describes the milky halo or bloom seen on the surface of high gloss surfaces. Surface haze can be problematic in most coating applications including automotive manufacture, powder coatings and other high gloss coatings. It can be attributed to a number of causes including incompatible materials in a formulation, poor dispersion and problems encountered during drying/curing/stoving. -
Page 32: Measuring Haze With The Novo-Gloss 20/60/85 With Haze
Measuring Haze with the Novo-Gloss 20/60/85 with Haze Gloss Haze values can be calculated using two ASTM test methods – ASTM E430 – using defined angular tolerances around the 20 degree specular angle ASTM D4039 – using the calculated difference between measured gloss values at 20 and 60 degrees (H = G60 –... -
Page 33: Corrected Haze Measurement On Metallic Coatings
Corrected haze measurement on metallic coatings For non metallic surfaces, the diffuse component is lambertian - it is equal in amplitude at all angles in relation to the sample surface. Conventional gloss-hazemeters measure diffuse reflection using a luminosity sensor positioned away from the gloss angle. Luminosity is subtracted from the haze signal allowing non metallic surfaces measured independent of their colour. - Page 34 Rhopoint Instruments Ltd Rhopoint Americas Inc. Rhopoint Instruments GmbH 1000 John R Road, Rhopoint House, Enviro 21 Park, Seebauer Office Center, Queensway Avenue South, Suite 209, Troy, Am Weiglfeld 28, St Leonards on Sea, TN38 9AG, UK MI 48083, USA...
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