LED Spectrometer MK350S
LED spectrometer to analyze LED performance / Determination of color of LED light / 
Measurement of Color temperature / Lux measurement / Spectral analysis on lighting 

The LED spectrometer MK350S is applied to measure LEDs. The LED spectrometer performs a spectral analysis on light, which is emitted by LEDs. The MK350S LED spectrometer measures besides the color spectrum also the illumination level in Lux, the color temperature and many other parameters, that are used for the selection of LEDs. This professionally used LED spectrometer features a touch screen for an easier navigation. The menu navigation is self explanatory, so even beginners can easily operate the LED spectrometer. The results of the LED spectrometer are saved on a SD memory card. This SD memory card not only stores the data, but also facilitates as a WiFi interface. Thus the LED spectrometer can be connected with an Apple or Android device. After downloading the relevant app, the device can be used for remote controlling the LED spectrometer ML350S. If there are any questions about this LED Spectrometer please have a look at the technical specification below or call: UK customers +44(0) 23 809 870 30 / US customers +1-410-387-7703 0. Our technicians and engineers will gladly advise you regarding all spectrometers and all products in the field of measuring instruments, regulation and control and scales.

- LED measurement
- Measurement of Color temperature
- Measurement of wave length
- Spectrometer function 

- Single or continuous measurement
- Integrated camera
- Remote Control via App (Apple and Android) 
- Intuitive navigation due to touch screen

Technical Specifications of the LED Spectrometer 

Sensor

CMOS linear image sensor

Spectral band width

approx. 12 nm 

Receptor size

Ø 6.6 ± 0.1 mm

Cosine Balance

Measurement range

70 ... 70000 Lux

Range of wave lengths

280 ... 780 nm

Averaging time range

6 ... 5000 ms

Sampling rate

single / continuous

Averaging mode

automatic / manual

Measuring mode

Basic mode
light spectrum diagram mode
CIE 1931 Chromaticity shares
CIE 1976 Chromaticity shares
Color Index mode
Lux mode
Logging mode
CCT color temperature
Mode for quality control
Comparative measurement mode
View of measured data

Measurement functions

CCT
Lux measurement
CRI Ra / R1 ... R15
Spectral radiation
CIE chromatic coordination
wave length (peak / dominance)
Δx, Δy, Δu', Δv'
Duv, Purity
PPF (400 ... 700 nm)
PPF-R (600 ... 699 nm)
PPF-G (500 ... 599 nm)
PPF-B (400 ... 499 nm)
PPF-UV (380 ... 399 nm)
PPF-NIR (700 ... 780 nm)
BIN

Digital resolution

16 bits

Calibration on black

yes

Repeatability wave length

± 0.5 nm

Accuracy illumination level (at color temperature: 2856 K / Brightness: 20 kLux)

± 5 %

Accuracy of color measurement 

± 0.0025 in CIE 1931 x,y

Repeatability of color measurement (at color temperature: 2856 K / Brightness: 20 kLux)

± 0.0005 in CIE 1931 x,y

Accuracy of color temperature CCT (at color temperature: 2856 K / Brightness: 20 kLux)

± 2%

CRI accuracy @ Ra (at color temperature: 2856 K / Brightness: 20 kLux)

± 1.5%

General Technical Specifications of LED Spectrometer 

Display

3.5 '' LCD 320 x 240 Touch Panel

Camera resolution

800 x 480 pixels
touch screen

Max. data capacity

2 mega pixels

Battery operation

2000 data sets on 2 GB memory card

Battery type

Approx. 4 hours with fully charged battery

Data output

2500 mAh/ Li-Ion
SD memory card

Data format

MS Excel
JPG

Dimensions

163 x 81 x 51,8 mm (H x W x D)

Weight (with battery)

approx. 250 g

Operating temperature

0 ... +35 °C

Surrounding temperature

-10 ... +40 °C

Languages

English
Japanese 
Chinese

The cosine correction is a necessary application for the measurement of color and quality of various light sources. The reflection of light that hits an objects depends on that impact angle. The more acute the impact angle, the more the reflection. So if the light does not hit the object in a rectangular angle, the spectrometer would otherwise measure much to low values. But by using the cosine correction the values are much more accurate.

Software for LED Spectrometer MK350S

The results of the measurement can be stored in a SD memory card (optional), that you can put into the integrated SD memory slot of the LED spectrometer. These data can be then processed in a computer with that software.

Delivery Content of the LED Spectrometer MK350S: 
1 x LED Spectrometer MK350S,
1 x hard case,
1 x protecting case,
1 x battery,
1 x USB cable,
1 x charging adapter,
1 x  safety band
1 x instruction manual
1 x holder for stand

Typical applications of the LED Spectrometer MK350S

- Selection of LEDs 
- Color measurement of light-emitting diode
- Rating of Color temperature
- Measurement of light intensity
- Comparison of various light sources

Optional additional equipment for the LED Spectrometer MK350S:

- WiFi SD memory card:
The LED spectrometer be connected by means of the SD memory card via WiFi to an Android or Apple smartphone / tablet. With the accordant app the LED spectrometer can then be remote controlled via this app. An instruction for the installation and set-up as well as a user manual for the app will be provided soon. The app "uSpectrum mk350" can be downloaded from the App Store or from Google Play.

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