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The mini pocket umbrella changes color when getting wet – creating a touch the color live experience!

Employees and their relatives of BYK Additives and Instruments as well as their partners are excluded from participation.

Our vision has always been to create a high-tech color instrument to guarantee a top performance, but at the same time follow our customers’ wish to “Keep it Simple”. By “thinking-out-of-the-box” and working with new and innovative technologies from Design to R&D to Production that vision is now reality with the spectro2guide.

Raise your expectations and be ready for the future.

“We decided to take one step further and combined a spectrophotometer with a fluorimeter. This opens up completely new perspectives to our customers – not only to control color quality, but to guarantee color stability.”


Severin Wimmer, Developer

Three in One

Color. Gloss. Fluorescence.

The spectro2guide spectrophotometer represents the next step in the evolution of color measurement. Just like its predecessor, color and 60° gloss are measured simultaneously. Completely new is the quantification of fluorescence by measuring like a fluorimeter with monochrome illuminations. Colorful graphs show the fluorescent results on the display and new fluorescent indices are calculated for easy analysis.

Tricky Fluorescence

Excited. Emitted. Shifted.

To quantify fluorescence two new indices, Delta Fl and Delta EwoFl, are calculated. The index DFl (delta Fluorescence) indicates whether and how much fluorescent light is emitted by the standard and the sample – important for everybody who wants to avoid any fluorescent ingredients in the product material. The index DEwoFl (delta E without Fluorescence) calculates how the color will change when the fluorescence has degraded. In addition, the spectro2guide calculates how fluorescent specimens will look like under different illuminants (“Fluorescence Metamerism”).

“One of the biggest challenges was the positioning of the calibration standard. As an absolute novelty we mounted it into the docking station to be protected and to guarantee reliable readings with automatic calibration.”


Heinrich Henssler, Chef Designer – Henssler & Schultheiss

Perfectly Formed Design

Approachable. Balanced. Upfront.

The new instrument follows a very simple rule, which is not so easy to put into practice: “Form follows function”. Due to its balanced and upfront design, the display is always in the right position and easy-to-read, whether on horizontal, vertical, large or small surface areas – even true for overhead work. You no longer need to bend out of shape for measurement and data reading. The display flips around for you.

Smart Docking Station

Park. Charge. Control.

Accurate readings require reliable calibration. As first spectrophotometer on the market, the spectro2guide offers auto diagnosis and an automatic calibration function. The spectro2guide with the docking station make a perfect couple – the white calibration standard is always protected and a reliable calibration is guaranteed. Moreover, the docking station automatically charges the instrument. You only have to park the spectro2guide, the rest happens automatically. The smart docking station offers you a 2-in-1 advantage: Be ready at any time, be safe at any time – do not lose time with charging and daily calibration by hand.

Brilliant Color Display

Swipe. Touch. Measure.

As for mobile phones, there is a trend towards ever-larger displays. The new spectro2guide is completely in line with this trend offering a 3.5” color touchscreen – the largest on the market. An iconbased menu, colorful data tables and graphics ensure an intuitive smart phone like operation. As you are used to, you can touch or swipe with your fingers – it even works when wearing gloves. Alternatively, you also can use a stylus, which is enclosed in the housing – always handy.


Preview with Camera

Strike. Score. Save.

An integrated camera shows a live preview of the measurement spot. To ensure precise positioning and to prevent false readings on imperfections or scratches, the measurement spot is magnified by a factor of 4.5:1. It is so easy – just press the measurement button halfway and the live preview is active.

BYK LED Technology

High-tech. Smart. Experienced.

Like the predecessor, the spectro2guide uses innovative, high performance LED technology as light sources. Smart testing combined with our long-standing experience guarantees an outstanding performance of the LEDs. Short-term, long-term and temperature stability as well as a homogeneous illumination spot are unsurpassed in the industry. As a result, a superior accuracy and excellent inter-instrument agreement allow use of digital standards. One binding reference eliminates sources of error and physical standards no longer need to be exchanged. Digital standards bring the complete supply chain on target.

Flexible Data Transfer

Wireless. Boundless. Flawless.

Adaptable to your situation and specific location, the spectro2guide offers three possibilities to transfer data: Via docking station or directly connected with USB cable or wireless with Wi-Fi function. Your data transfer is now guaranteed flawless and not tied down by a cable length.


Geometry45°c:0°, d:8° (spin/spex)
Aperture Size12 mm / 8 mm
Spectral Range Color400 – 700 nm, 10 nm resolution
Spectral Range Fluorescence340 – 760, 10 nm resolution
Repeatability0.01 DE* (10 consecutive measurements on white)
Reproducibility0.1 DE* (average on 12 BCRA II tiles)
Color SystemsCIELab/Ch, Lab(h), XYZ, Yxy
Color Differences∆E*, ∆E(h), ∆EFMC2, ∆E94, ∆ECMC, ∆E99, ∆E2000
IndicesYIE313, YID 1925, WIE 313, CIE, Berger, Color Strength, Opacity, Metamerism, Grayscale, Jetness
IlluminantsA, C, D50, D55, D65, D75, F2, F6, F7, F8, F10, F11, UL30
Observer2°, 10°


Aperture Size5 x 10 mm
Measurement Range0 – 10 GU10 – 100 GU
Repeatability± 0.1 GU± 0.2 GU
Reproducibility± 0.5 GU± 1.0 GU

General Data

Memory5000 Standards and samples
LanguagesEnglish, German, French, Italian, Spanish, Russian, Japanese, Chinese
Dimensions (LxWxH) 87 x 110 x 188 mm (3.4 x 4.3 x 7.4 in)
Weight707 g (d/8), 690 g (45/0)
InterfaceUSB-C (device), USB-B (docking station)
Battery7.2 V, 2350 mAh, 16.92 Wh
DeviceInput 12 V, max. 2 A (Docking)
5 V, max. 2 A (USB-C)
Docking stationInput 12 V, max. 2 A (Power supply)
Input 5 V, max. 0.5 A (USB-B)
Output 12 V, max. 2 A
Power supplyInput 100 – 240 V, 50 – 60 Hz, max. 1 A
Output 12 V, max. 3 A

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