MK350D Compact Spectrometer

9 customer reviews

2,189.00 Excl. VAT

The MK350D Compact model is a lightweight, portable, easy-to-operate Spectral Illuminance (LUX) Meter or Spectral Light Meter Bluetooth remote control operation and MicroSD card storage. It is designed to be compact and easy to use for fast light measurements. The MK350D is conveniently pocket-sized with a small visual display screen and includes an integrated Flicker sensor for flicker measurements. Additionally, it has SD card storage capability and can be connected to the uSpectrum PC software and smartphone apps. Designed to be intuitive and easy to use, it is ideal for measuring general light metrics such as LUX, CCT, CRI, CRI 1931, Ra, R1-R15, Wavelength, and many others.


  • 70g pocket size, the lightest handheld spectrometer in the world
  • Flicker measurement for disease prevention and health check
  • Standalone operation, no need for a smartphone or PC connection
  • Supports MicroSD card, unlimited data storage for measurement
  • Spectrum diagram; 27 light units-of-measure to choose from
  • Compatible with smart devices; wireless control by Bluetooth
  • Additional spectrum PC application is available for advanced analysis
  • 3-year product warranty
  • The next calibration service of € 395,- is already included in the spectrometer purchase price ( Free of charge and valid within the 3-year warranty period )
  • Package Contents: MK350D LED Meter, hard case, protection bag, USB cable, power adapter, neck strap, stand bracket, spectrum PC Software Serial Number * Registration, User Manual & Warranty booklet.

The MK350D Compact is small yet uncompromising on crucial professional-grade features like accuracy and precision.


within 48 hrs after confirmed payment.


3 years full product warranty.


1 free UPRTEK Lighting Handbook.


One free calibration during guarantee periode


free firmware updates.


free technical support.


7 days money back guaranty (in consultion).


Transport & Insurance costs €34,75.


All Prices are Excluding VAT.


by PayPal, VISA, MasterCard, American Express or Bank Transfer.

MK350D Compact Spectrometer

Seeking precise spectral analysis? Look no further than the MK350D Compact Spectrometer by UPRtek. Unlock accurate measurements effortlessly with this top-of-the-line handheld spectrometer. Don’t hesitate—buy now and experience the excellence of UPRtek’s handheld spectrometers.


Sensor CMOS Linear Image Sensor
Wavelength Range 380 to 780 nm
Wavelength Data Increment 1 nm
Spectral Bandwidth Approximately 12 nm (Half Bandwidth)
Wavelength Reproducibility ± 1 nm *1
Measurement Range 70 to 70,000  lx
Illuminance Accuracy Illuminant A @ 2,856 K at 20,000 lx*2 ± 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%
Stray Light -25 dB max. *3
Integration Time Range 6 ms to 1,000 ms
Digital Resolution 16 bits


Frequency Range 10 to 165 Hz


Capture Function One time
Operation Mode Standalone Mode / Bluetooth Mode *4 / USB Mode  (PC connection)
Integration Mode Auto
Measuring Capabilities 1. Illuminance (LUX)/Foot Candle (fc)
2. Correlated Color Temperature (CCT)
3. CIE Chromaticity Coordinates
 (1) CIE 1931 x,y Coordinates
 (2) CIE 1976 u’,v’ Coordinates
4. Color Rendering Index (CRI, Ra)/R9
5. Percent Flicker
6. Spectral Power Distribution (SPD) mW/m2
7. Peak Wavelength (λp)
8. Blue Light Weighted Irradiance (Eb) w/m2
9. Blue Light Hazard Efficacy of Luminous Radiation (Kbv) w/lm
10. Blue Light Hazard Blue-ray % (BL%)
11. Blue Light Hazard Risk Group(RG)

System Configurations

Display 0.96″ 128X64 mono OLED
Max. Files ≒ 1.2 million Files @ 8GB Micro SD Card (Excel)
Battery Operation Time ≦ 3 hours (Fully Charged)
Power USB Power; 700 mAh (3.7V Rechargeable Li-ion Battery)
Data Output Interface Micro SD Card (SD 2.0, SDHC/up to 32G)/Mini USB Port (USB 2.0)/Bluetooth 3.0 and 4.0 compatible with iOS and Android
Data Format Compatible Excel
Dimensions 90 x 30 x 32.2 mm (H x W x D)
Weight (with Battery) 70 g ± 5 g
Operating Temperature/Humidity 0 to 35 ℃, relative humidity 70% or less without condensation
Storage Temperature/Humidity -10 to 40 ℃, relative humidity 70% or less without condensation
Display languages English
Cosine Correction
*1:Input source must be a stable light source.
*2:Temperature 23±2℃ and relative humidity 50% or less.
*3:Input the 550nm monochromatic light and measure the stray light ratio at 550nm ± 40nm.
*4:It can be connected to mobile phones and tablets.
The company reserves the right to change product specifications at any time without prior notice.

Additional information


, , , , , , , , , ,


, , , ,


, ,



Firmware download

Contact us for the latest free firmware updates.

Best regards,
UPRtek europe

Based on 9 reviews
Write a Review

  1. Richard

    Fast delivery
    Fast delivery and a good payment method.

  2. Will

    Staff members
    Nice staff members and a good service.

  3. Casper P.

    Good quality + good service
    Really good product quality + good service. Thank you!

  4. C. Crombag

    Mein neuer MK350D Compact Spectrometer
    Sehr zufrieden mit mein neuer MK350D Compact Spectrometer!

  5. Jan P

    Leveringsduur en samenwerking
    Korte leveringsduur & fijne samenwerking!

  6. Raphael

    New purchase
    Satisfied with my new purchase, very good quality!

  7. Richard

    Nice payment method
    Nice payment method and very good service.

  8. Julian

    Kwaliteit en Samenwerking
    Goede kwaliteit van het product en een fijne samenwerking.

  9. Rick D.

    Good collaboration
    Nice collaboration and friendly staff members.

Add a review