United Power Research Technology Corp.

Product

Handheld Spectrometer

MK350D Bluetooth ios/android Smart Control Handheld Spectrometer Uprtek 
Overview

Compact MK350D 70g pocket size
The lightest handheld spectrometer in the world.



Flicker measurement for disease prevention and health check



Standalone operation
no need smart phone or PC connection



Aim and shoot
Supports Micro SD card
unlimited data storage for measurement



CCT, LUX, CRI, CIE1976 u’, v’, CIE1931 x, y
Spectrum diagram、Percent Flicker and 27 light unit-of-measures



Compatible with smart devices
Wireless control by Bluetooth



Additional uSPECTRUM App and Software for advance analysis
Additional 5 customized lighting application modes
To make you lighting measuring job easier


Specification

Spectrum 
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 to 1,000 ms
Digital Resolution 16 bits 
Flicker 
Frequency Range 10 to 165 Hz
Feature
Capture Function One time 
Operation Mode Standalone Mode / Bluetooth Mode *4 / USB Mode *5  (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)
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.
*5:MSC- Mass Storage Class.

The company reserves the right to change product specifications at any time without prior notice.

Awards

2014 Top 100 Awards
2015 Taiwan Excellence


Optional Accessory



Applicable Industry

Academics
Light and Agriculture
Health and Safety
LED Screens
LED Professionals
Lighting Designers
Medical
Road and Traffic
Store Display