SPECTROMETER C-4000
THE DREAM TOOL FOR LIGHTING DESIGNERS
The Spectrometer C-4000 has been designed and engineered specifically for lighting designers and field technicians. Combining precision light-measuring technology, renowned in the industry, with the flexibility and convenience of smartphone technology, the C-4000 Spectrometer leads in a new direction for future Sekonic meters. Offering a compact, lightweight, sophisticated, and affordable solution for the lighting professional, the C-4000 is a break-though solution to light management and evaluation. With its 2.7” color touch screen, Bluetooth® enabled wireless communication, and compatibility with Apple® and Android™ smartphone/tablet, the C-4000 offers the most flexible and real-time on-location data sharing than any other system in the market today. The C-4000 offers a standalone basic numeric reading from the meter, wireless remote measurements via the free SEKONIC LD App and smartphone/tablet or advanced SEKONIC LD paid App offer extensive functions including plot measurements.
Measurement data such as spectrum graphs, CRI, TM-30-18, CIE 1931 chromaticity coordinates (x, y) as well as plotted readings are displayed in full color with the high-quality resolution of your smart device. Stored measurement data, configuration settings and functions can be reviewed and adjusted on your smart device. Data can be shared via screenshots, real-time generated reports, and images of onsite locations with GPS coordinates. The C-4000 offers a comprehensive package of measurement data, shared with offsite designers, engineers, technicians and clients.
KEY FEATURES:
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Measuring Color Temperature (TCP) from 1,600K to 40,000K
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Provides Light Quality information such as Ra, 𝛥uv, Lux/fc, TM-30-18 (Rf, Rg), Chromaticity coordinates (x,y) etc.
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Smart Device App ready
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Continuous/Single measurements
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USB-C connectivity for firmware updates via the Sekonic utility
SIMPLIFIED AND CLEAR DISPLAY INFORMATION
The 2.7” color touch screen display offers an intuitive navigation through various features and modes. Its basic numeric feedback and selectable color and illumination measurements offer a quick and accurate analysis of the lighting scenario.
COMPACT, PORTABLE AND ERGONOMIC DESIGN
Responding to a growing need for a smaller and more ergonomic designed meter, the C-4000 fits comfortably in the palm of your hand. Measuring 5.5” (140 mm) x 2.4” (62mm), and weighing 140 grams (without batteries), it is perfect for handheld or pole mounted measurements. Both the power and measuing buttons are positioned in a natural configuration to complement handheld comfort.
SEKONIC LD FREE APP
The real magic happens when the C-4000 is connected to the Sekonic LD Free App. Utilizing Bluetooth connectivity along with smartphone or tablet compatible (Apple ® or Android ™), remote-control measurements are transferred to your smart device. View graphs of measurements, import stored data, configure settings and View CIE 1931, Spectrum, CRI and TM-30-18 color rendering properties.
SEKONIC LD PAID APP
With the Sekonic LD upgraded PAID version of the App, a variety of features and functions are available at your fingertips providing a smooth and convenient workflow. From a quick and easy measure and record process to sharable measurement reports on the fly, the Sekonic LD upgrade App compatible with Apple ® or Android ™ smartphones or tablets offers the perfect extension to your C-4000 Spectrometer experience.
Android ™
Apple ®
SEKONIC LD FREE APP SCREENS
CIE 1931 is a color space based on the tristimulus values that are mathematically derived from color measurements, representing red, blue and green light and theoretically represent the standard observer’s eye. The values of CIE 1931 are denoted by x, y coordinates.
CRI The Color Rendering Index (CRI) is an index that measures the ability of a light source to reveal colors of objects in contrast to a natural light source, such as the sun. Ra is an average of eight out of the 15 CRI values, providing a general assessment of the light sources color capabilities.
Spectrum The Spectrum displays the spectral distribution of the measured light source in a graph with relative or absolute intensity against the wavelength. The graph can be viewed, printed and saved via the SEKONIC LD App.
TM-30-18 Published by IES (Illuminating Engineering Society), TM-30 is a color rendering index system that indicates how well a light source will reproduce a color accurately when it illuminates that object (as compared to a black body radiator – such as the sun).
SEKONIC LD PAID APP SCREENS
Import drawings/photos and creating titles
Capture drawings or photos of the on-location site for evaluation with your smartphone and create titles with notes of the details and save them.
Plot the measured value directly on the drawings/photos
Measured values can easily be positioned directly on the imported image (up to 999). Selectable units of display for each measurement point can be lx, K (Kelvin), ⊿uv, Ra, Rf/Rg, x,y.
GPS coordinates to recall measurement location
Measurements can be stored with linked GPS coordinates for easy recall or onsite location. Included along with other critical information in the location report.
App Ready Report
Create PDF or CSV reports within the SEKONIC LD App. The report includes GPS location, location image or captured drawing with plotted values, CSV detailed measurement data and Spectrum, CRI, TM-30-18 and CIE 1931 graphs for each measurement plotted light source.
Add note/image references in real time
Special lighting situations that occur and require detailed notes and images can be created during the measurement process. Images can be taken on the spot or saved images can be linked.
Share data from the SEKONIC LD App via your smart device
Quickly and easily share reports, measurement data with notes and images on-location via your smart phone or tablet.