Predám používaný, plne funkčný spektrometer UPRtek MK350N PLUS. Dôvodom predaja je kúpa novšieho zariadenia.
V prípade záujmu môžeme dať pred kúpou zariadenie rekalibrovať u výrobcu, s vystaveným novým kalibračným protokolom.
Špecifikácia spektrometra:
CMOS Linear Image Sensor
Spectral Bandwidth Approximately 12 nm（half bandwidth）
Receptor Size Ø 6.6 ± 0.1 mm
Measurement Range 70 ~ 70000 Lux
Wavelength Range 380 ~ 780 nm
Integration Time Range 6 ~ 1000 ms
Standalone Mode / WiFi Mode *3 / USB Mode (MSC Mode + PC connection)
Function One time / Continuous
Mode Auto / Manual
Flicker Frequency Range 10 to 165 Hz
Display 3.5" 320X240 Resistive Touch LCD
Max. Files ≒ 68,000 Files @ 8GB SD Card ( Excel + JPG )
Battery Operation Time ≦ 5 hours / Fully Charged
Power Adapter； 2500 mAh / 3.7V Rechargeable Li-ion Battery
Data Output Interface SD Card ( SD2.0 , SDHC / up to 32G ) / Mini USB Port ( USB 2.0 ) / WiFi SD Card compatible with iOS and Android
Data Format Compatible Excel / JPG
Dimensions 147.5 x 78 x 24 mm ( H x W x D )
Weight (with Battery) 225 g ± 10 g
Operating Temperature 0 ~ 35 ℃
Storage Temperature -10 ~ 40 ℃
Display languages English / Traditional Chinese / Simplified Chinese / Japanese / Spanish / German / French / Italian / Russian
Weight ( with Battery ) 70 g ± 5 g
Measuring
1. CCT, CRI, LUX, λP
2. Spectrum Graphics
3. CIE 1931 / CIE 1976 U.C.S Chromaticity Value
4. R9, LUX, FC, Pflicker
5. C.I.E Chromaticity Coordinates
6. Percentage Flicker
Digital Resolution 16 bits
Dark Calibration Yes
Stray Light -25 dB max.
Wavelength Data Increment 1 nm
Wavelength Reproducibility ± 1 nm
Illuminance Accuracy Illuminant A @ 2856K at 20000 Lux ± 5%
Color Accuracy ± 0.0025 in CIE 1931 x,y
Color Repeatability ± 0.0005 in CIE 1931 x,y
CCT Accuracy ± 2%
CRI Accuracy @ Ra ± 1.5%
