Sekonic
C-4000
Sekonic Spectrometer C-4000
The Dream Tool for Lighting Designers
The Sekonic C-4000 Spectrometer 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™ smartphones/tablets, 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.
- Measuring Color Temperature (TCP) from 1,600K to 40,000K
- Provides Light Quality information such as Ra, 𝛥uv, Lux/fc, TM-30-18 (Rf, Rg), Chromaticity coordinates (x,y) etc.
- Smart Device Ready with Free Sekonic LD App
- Continuous/Single measurements
- USB-C connectivity for firmware updates via the Sekonic utility
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Model: Sekonic C-4000 Spectrometer
- Sensor:
- CMOS linear image sensor
- Measuring System:
- Spectro Meter
Incident light - Measuring Range and Modes:
- Measurement range *1:
- Wavelength: 380nm to 780nm
Illuminance: 5lx to 10,000lx (0.46fc to 929fc)
Color Temperature (Tcp): 1,600K to 40,000K Color Rendering Properties:CRI Ra -100.0 to 100.0
TM-30 Rf 0 to 100, Rg 0 to 200
- Accuracy (Light source A):
- Illuminance: +/-5% +/-1 digit (5 lx to 3,000 lx),
+/- 7.5 % +/- 1 digit (over 3,000 lx)
x,y: +/-0.003 (800lx) - Repeatability (2σ, Light source A):
- Illuminance: 1 % + 1 digit (30 lx to 10,000 lx), 5 % + 1 digit (5 lx to 29.9 lx)
x, y: 0.001 (500 lx to 10,000 lx)
x, y: 0.002 (100 lx to 499 lx)
x, y: 0.004 (30 lx to 99.9 lx)
x, y: 0.008 (5 lx to 29.9 lx) - Spectral response characteristics (f1):
- 9% or less
- Oblique incident light characteristics (f2):
- 12% or less
- Temperature characteristics:
- Illuminance: +/- 5%
x,y: +/-0.006 (Light source A, 1,000lx) - Humidity characteristics:
- Illuminance: +/- 3%
x,y: +/-0.006 (Light source A, 1,000lx) - Measurement time:
- Max. 15sec, Min. 2sec
- Display value:
- Illuminance (lx/fc), Tcp*2 (K), uv, CRI (Ra), TM-30 (Rf, Rg), Chromaticity coordinates (x, y)
- Other functions:
- Data memory up to 99 items, Auto power-off, Auto dimmer
- Language:
- Selectable from English, French, German, Italian, Spanish, or Japanese
- Physical:
- Operating Temperature:
- 5 deg.C to 35 deg.C, without condensation
- Storage Temperature:
- -10 deg.C to 60 deg.C, 85 % RH or less (at 35 deg.C), without condensation
- Power Source:
- AA battery (1.5V) x 2, USB bus-power
- Interface:
- USB connector (type C), Bluetooth
- Operating humidity:
- 85% or less (at 35 deg.C), without condensation
- Product Weight (lb):
- 0.3
- Product Weight (kg):
- 0.14
- Product Height (in):
- 5.5
- Product Length (in):
- 1.18
- Product Width (in):
- 2.44
- Product Height (cm):
- 14
- Product Length (cm):
- 3
- Product Width (cm):
- 6.2
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