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MK350S Premium – Handheld Spectrometer

The MK350S Premium is a full-featured Handheld Spectrometer used  by top-tier Lighting Professionals, whose customer base and project scopes are wide ranging, with varying requirements in light measurement and problem solving.

That being said, the MK350S Premium is designed to tackle almost any lighting situation that comes your way, including:

1. LED Manufacturing

2. Public Lighting Safety

3. Lighting Design

4. Academics & Research

5. Grow Lights and Indoor Agriculture

LED Manufacturing – Beats Integrating Sphere

Nothing beats an integrating sphere for high precision light measurement, but it’s usually confined to laboratories and research departments.  In a manufacturing environment, sometimes the situation calls for versatility and flexibility in light measurement, as in batch testing, ad-hoc testing, spot-checking, or customer demonstrations.

The MK350S Premium is a portable lab-level measuring instrument designed for just that.  In addition to a full set of measurement metrics, it contains manufacturing features to boost productivity in QC activities.

  • Compare Mode – side by side product compare
  • Log Mode – Interval testing and data collection
  • Checker Mode – Quality Assurance
  • LED Bin rating (ANSI78.377)

Graphical and Numerical Comparative Analysis

Bin rating and Pass/NotPass QA checker

 

Public Lighting Safety – Crush the bad lighting

TLA or Temporal Light Artifacts can be problematic for light safety in public areas.  The MK350S Premium measures for problematic areas of lighting.

Flicker – Measures Flicker and provides severity assessment. (based on IEEE PAR 1789-2015 safety regulations)

Stroboscopic Effect – SVM metric measures one of the most dangerous lighting artifacts especially in factories with high speed equipment.

Blue Light Hazard – BLH is an insidious hazard implicated in cataracts and macular degeneration.  MK350S Premium provides measurement and assessment. (IEC 62778 and utilized IEC 62471 standards)

Human Centric Lighting – HCL measures how lighting can impact our physiology and chemistry.  Poor HCL ratings are implicated in diminished attention, depression and sleep disorders. (WELL Building Standard-V1 and CIE TN 003-2015 Report)

Lighting Design – Create ambiance consistently.

If you are a lighting designer or a light setup coordinator, you probably understand the very subjective nature of light and color.  It’s very stressful work, especially with large projects and short deadlines.

With a spectrometer, you are validating your design by the numbers, and saving the data for subsequent projects.  MK350S  Premium provides Spectrums, LUX visuals and many Color Rendering Indices, to help designers quickly and confidently evaluate their lighting conditions.

Academics and Research – Perfect Teaching Tool, Data Collection, Data Analytics

The MK350S Premium is widely employed by major Universities and Research organizations.  It’s easy to transport from office, to lab and classroom.  It connects to large screens through PCs, collects large swaths of data, and easily transports and exports data to other systems for data analysis.

Grow Lights and Indoor Agriculture

Indoor agriculture is a  fast growing industry with potential hi-impact on global food supplies.  MK350S Premium can measure PFD and PPFD for grow lights.

Spectrum Measurement – Hitting the target

Precision is paramount when presenting credible numbers .  UPRtek spectrometers uses Diffraction Grating with a CMOS Linear Image Sensor to gain very tight bandwidth differentiation.

The MK350S Premium provides over 40 light measurement metrics (CCT, LUX, CRI, CIE (1976/1931), PPFD, CQS, Duv, LambadaP, S/P ratio.

Connect-up for Big View & Data Analytics

One of our most popular features is our uSpectrum PC software.  It allows the MK350S Premium to connect to PC devices through USB cable for full screen viewing, data collection and data export to popular software.

Spectrum
Sensor
CMOS Linear Image Sensor
Illuminance meter class
Directional response conforms to JIS C 1609-1:2006 for General Class AA.
Directional response conforms to DIN 5032 Part 7 Class B.
Wavelength Range
380 to 780 nm
Wavelength Data Increment
1 nm
Spectral Bandwidth
Approximately 9 nm (Half Bandwidth)
Wavelength Reproducibility
± 1 nm *1
Measurement Range
1 to 150,000  lx
Illuminance Accuracy
Illuminant A @ 2,856 K*2*7
± 2.5%
Illuminance Repeatability (2σ)
0.2%  in CIE 1931 x,y (100 to 150,000 lx)
0.5%  in CIE 1931 x,y (5 to 100 lx)
1% in CIE 1931 x,y (1 to 5 lx)
Color Accuracy
± 0.002 in CIE 1931 x,y(100 to 150,000 lx)
± 0.0025 in CIE 1931 x,y (5 to 100 lx)
±0.003 in CIE 1931 x,y (1 to 5 lx)
Color Repeatability  (2σ)
0.0002  in CIE 1931 x,y (500 to 150,000 lx)
0.0004  in CIE 1931 x,y (30 to 500 lx)
0.001  in CIE 1931 x,y (5 to 30 lx)
0.002  in CIE 1931 x,y (1 to 5 lx)
CCT Accuracy
± 2%
CRI Accuracy @ Ra
± 1.5%
Stray Light
-25 dB max. *3
Integration Time Range
60us to 5,000 ms
Digital Resolution
16 bits
Flicker
Measurement Range
1 to 150,000  lx
Sampling Rate
100k sample/sec
Frequency Range
5 to 50k Hz
Frequency Resolution
2, 4, 8, 16, 32 Hz
Accuracy
5% (5 to 30K Hz)*6
Feature
Capture Function
One Shot/Continuous
Operation Mode
Standalone Mode/WiFi Mode*4/USB Mode (MSC Mode*5 + PC connection)
Integration Mode
Auto/Manual
Dark Calibration
Auto
Measurement Mode
1. Basic Mode
2. Spectrum Mode
3. CRI Mode
4. CIE 1931 / 1976 Chromaticity Mode
5. LUX Image Distribution Mode
6. Logging Mode
7. BIN Chart Mode
8. Quality Control Checker Mode
9. Measurement Comparison Mode
10. Transmit Mode
11. TM-30-18 Mode
12. Flicker Mode
13. Frequency Mode
14. Flicker Risk Mode
15. Blue Light Hazard Mode
16. HCL Mode
17. Browser Mode
18. Option Mode
Measurement Capabilities
1.Illuminance (LUX)/Foot Candle (fc)
2.Correlated Color Temperature ; CCT (K)
3.CIE Chromaticity Coordinates
 (1) CIE 1931 x,y Coordinates
 (2) CIE 1976 u’,v’ Coordinates
 (3) CIE 1931 XYZ Value
4.△x , △y , △u’ , △v’
5.Delta uv ; Duv
6.Dominant Wavelength ; Hue ; λd (nm)
7.Excitation Purity (%)
8.Scotopic and Photopic Ratio (S/P)
9.BIN ANSI C78.377 or Customized
10.Standard Deviation Color Matching (SDCM)
11.Color Rendering Index (CRI, Ra)/R1 to R15
12.Color Quality Scale (CQS)
13.Gamut Area Index (GAI)
14.TM-30-15 (Rf, Rg, Color Vector Graphic)
15.Television Lighting Consistency Index (TLCI)
16.Flicker Frequency (Hz)
17.Percent Flicker (%)
18.Flicker Index + PstLM ( short term flicker severity)
19.Stroboscopic Effect Visibility Measure (SVM)
20.Flicker Risk – IEEE PAR1789
21.PPFD (400 to 700nm) µmol/(m2*s)
(1) PFD-UV (380 to 400nm) µmol/(m2*s)
(2) PFD-B (400 to 500nm) µmol/(m2*s)
(3) PFD-G (500 to 600nm) µmol/(m2*s)
(4) PFD-R (600 to 700nm) µmol/(m2*s)
(5) PFD-FR (700 to 780nm) µmol/(m2*s)
22.Irradiance(380nm~780nm)(W/m2)
23.Spectral Power Distribution(SPD), Unit: (mW/m2)
24.Peak Wavelength ; λp (nm)
25.Peak Wavelength Value ; λpV (mw/m2)
26.Transmittance (%)
27.Blue Light Weighted Irradiance ; EB (w/m2)
28.Blue Light Hazard Efficacy of Luminous Radiation ; KB,V (w/lm) 
29.Blue Light Hazard Risk Group(RG)
30.Blue Light Hazard Blue-ray %
31. Melanopic Lux
(1) Mel Irradiance
(2) Mel Daylight Lux
(3) Melanopic Ratio
(4) Rhodopic Lux
(5) Chloropic Lux
(6) Erythropic Lux
(7) Cyanopic Lux
System Configurations
Display
4.3″ 800X480 Resistive Touch LCD
Max. Files
≒ 21,000 Files @ 8GB SD Card (Excel + JPG)
Battery Operation Time
≦ 4 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
163 x 81 x 26.6 mm (H x W x D)
Weight (with Battery)
260 g ± 10 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/Traditional Chinese/Simplified Chinese/Japanese/Spanish/German/French/Italian/Russian
Camera Resolution
2M pixels

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MK350S Premium - Handheld Spectrometer

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