▸uFlicker PC Software File Downloads
▸uSpectrum PC Software
▸Mobile Spectrum App

uFlicker PC Software

Applicable Products: MK350S Premium, MK350N Premium, MD100N, MK550T

Specs at-a-glance – PC requirements

FeatureHardware Requestments
Monitor Resolution1024 X 768 or higher
RAM1.0 GB or higher
Color Depth16-bit Color Depth or higher
Operating SystemWindows 8 (Not Officially Tested)
Windows 7
Windows XP


Install the uFlicker PC Software onto a Laptop or PC and you can cable-connect  to a UPRtek device for PC controlled flicker operations.  This allows you to have a workstation with operative controls, and  full screen view with flicker data and graphs all in one place.  The data sets on the screens are configurable with more than 18 flicker parameters.

Display Panel Flicker Measurements:
Contrast, RMS, JEITA, VESA

LIght Flicker Measurements:
Flicker Percentage, Flicker Index

Full screen view, comparative analysis, configurable data 

Looking at Flicker from all angles

Flicker can be represented by different measurement metrics and can also be visually represented from different perspectives.

Graphical Flicker Representation

Fast Fourier Transform – Flicker Intensities

JEITA representation of dB values

Customize your data display

You can easily customize the data sets that appear on your screen.

Save data to local storage on PC/laptop

Data is easily saved and recalled on the PC/laptop, which also makes it convenient to import data into other familiar software (e.g. excel).

Handbook Series

The Grow Light Handbook

Everything thing you need to know to get started on Indoor Farming, PAR meters, and Grow Lights  – history, industry, vertical farming, PPFD, types of lights, photosynthesis and more!

▸ Get it!

About UPRtek

United Power Research and Technology

UPRtek (est. 2010) is a manufacturer of portable, high-precision light measurement instruments; Handheld Spectrometers, PAR meters, Spectroradiometers, Light Calibration Solutions.

UPRtek HQ, R&D and manufacturing are all based out of Taiwan, with Worldwide representation through our certified Global Resellers.

▸ Read on


Grow light chamber

What is a "Spectral" PAR Meter

Valentine’s Day is approaching, and you're an anxious indoor rose farmer trying to encourage your buds to bloom in time.

The good news is that researchers have begun to understand the triggering mechanisms for seed germination, flowering, and fruiting, involving grow-light strategies

Now indoor farmers are using this information with “Spectral” PAR meters, measuring grow lights for a light metric PSS (Phytochrome Photostationary State) to trigger photomorphogenesis (i.e., plant transformations caused by light).

  ▸ Read on