GL Spectis 1.0 Touch + Flicker

Flicker measurement simplified

Light Spectrometer for immediate evaluation of illuminance, color and flicker metrics in one device

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The Ultimate Portable Light Spectrometer

An upgraded version of the very successful Spectis 1.0 Touch spectral light meter, this new variant takes portable light measurement to a new level. This innovative new light spectrometer instrument can now measure flicker of light in addition to the extensive range of standard photometric and colorimetric values available on the Spectis 1.0 Touch for color and intensity…all within seconds.

The Spectis 1.0 Touch light flicker meter is now equipped with additional electronics and fast photodiode to measure flicker frequency, flicker index and flicker ratio. Designed and developed in consultation with industry leaders and standards committees, this device provides all the measurement quantities required to accurately measure and understand flicker.

Tommorrow’s Metrics, Today

Stay ahead of the competition by incorporating flicker measurements in your suite of optical testing. While still only an emerging requirement in many areas, characterizing flicker will soon become the norm. New metrics like SVM and California Title 24, we have it covered! Read more about flicker measurments and new requirements on our blog

A True All-in-One Instrument

Why use multiple measurement devices to characterize your light when it can all be captured with a single portable light spectrometer. Less devices to carry, and less reports to combine. Get it all with the push of a button. Use it to collect spectral and flicker data in the lab or field. Need additional analysis or reporting capabilities? Use our optional Spectrosoft Analysis Suite

Flexibility Re-Defined

The Spectis 1.0 Touch light flicker meter offers a great standalone solution, but can also be paired with a range of accessories. From integrating spheres to goniometers, in the lab or the field, this system has you covered. Configure the system to measure illuminance, flicker metrics or luminous flux and even luminance of LEDs using an optional optical probe.

More Than Just a Handheld

Accessories for a range of applications

Human Centric Metrics

Measure lighting installation to check illumination [lx], CCT, CRI, TM 30-15 flicker index, flicker percent and the SVM for visual effects along with the circadian metrics like EML and S/P ratio.

TV and Studio Light Flicker

Use our GL Spectis 1.0 Touch light spectrometer + Flicker to measure very high frequencies up to 12 kHz which are important for broadcasting and studio lighting evaluation. This will also include CCT, CRI and TLCI indices verified.

Flux and color of LEDs

Connect with our GL Opti Sphere 48 to measure flux and color of single LEDs. This set supports binning verification and quality control during development and incoming QC of LEDs, drivers and other components.

Luminance and Radiance

Available luminance optical probes can be connected and calibrated with our device to measure flat emitting surfaces like displays, screens and back lights. The coding system installed in our spectrometer will automatically download calibration file and measure cd/m2. Check available OPTI PROBES.

GL SPECTIS 1.0 Touch + Flicker Usage

Every Important Metric, One Device

When the first “flicker-free” football stadium lighting was installed at Chelsea Arena in the UK, GL Optics was asked to provide a device which could be used as an auditing tool to check the newly installed lighting. The contractor needed to evaluate the photometric and colorimetric values including illumination (lx), color temperature (CCT), color rendering properties of LED (CRI), television index (TI) and additionally verify if it was a flicker-free installation.

This project triggered the development of the Spectis 1.0 Touch + Flicker, improving on our existing GL Spectis 1.0 Touch by integrating an additional electronic circuit board with the fast photodiode to capture the optical flicker characteristics. The result is possibly the best hand-held flicker spectroradiometer on market. Covering an exceptional wide range of frequencies with accuracy equal to some laboratory devices.

GL Optic takes an active part in a Philips Working Group which is focused on establishing new flicker metric standards throughout the industry. Thanks to this direct cooperation we have an opportunity to compare and evaluate our accuracy daily using the reference standard provided by Philips. We are also able to include the latest flicker metrics like Flicker Index, Flicker Percent and the Flicker Ratio together with the latest SVM (Stroboscopic Visibility Measure) – a new standard to assess how the lighting installation might influence human visibility performance.

The GL Spectis 1.0 T Flicker meter is an intuitively operated touch screen portable light spectrometer, equally suited to the lab as it is in the field. With a range of software analysis capabilities and extensive suite of accessories, this device is in a category all its own.

GL Spectis 1.0 Touch + Flicker Meter Features

Reliable, precise and intuitively operated spectral instrument

The Spectis 1.0 Touch Flicker meter delivers reliable and accurate optical performance, and intuitively operated spectral instrument for light measurement. Dependable light assessment is no longer restricted to only experts or external laboratories. Our preconfigured, individually calibrated measurement instruments deliver fast and precise results, and the included software includes extensive analysis and automation capabilities that deliver the results that matter.

Spectral and Photodiode Measurement

GL Optic light spectrometers are designed and preconfigured for light measurement applications. The B class cosine corrected measurement head is a standard accessory allowing for precise measurement of light. Now, with the addition of a photodiode placed next to the standard diffusor with fast readout electronics, optical flicker signal response is captured at the same time. Directly on the touch screen you can check the values and the graph showing the wave shape, height and frequency and you can even zoom in to check details. Extended analytical and reporting capabilities are possible with the optional GL Spectrosoft PRO license.

Plus all of the core features of the Spectis 1 Touch:

  • Self Contained Handheld Spectrometer
  • Automatic Accessory Detection
  • Dark current compensation
  • Trigger Socket
  • Photometric and Radiometric calibration

GL SPECTIS 1.0 Touch + Flicker Meter Metrics

Measure light output and color together

  • spectral power distribution SPD
  • illumination: lux or fc
  • irradiance: mWatt
  • color: CRI, CCT, x,y,

And optical flicker metrics like:

  • Flicker Frequency,
  • Flicker Index
  • Flicker Ratio
  • SVM (Stroboscopic Visibility Measure)
  • Pst LM  (Short Term Perceptibility for light modulation) – available with GL Spectrosoft PRO/LAB only
  • SAM (Stroboscopic Acceptability Metric)
  • Mp (also called LRC Flicker Perception)
  • VESA (Video Electronics Standards Association)
  • JEITA (Japan Electronics and Information Technology Industries Association)
  • Flicker Graph and FFT Graph available

Plus many more! Contact us for a full list of light meter metrics.

GL SPECTIS 1.0 Touch + Flicker Meter Specifications

APPLICATION
ApplicationNatural light, LEDs, halogen light, etc.
LED MEASUREMENT
Illuminance (lux)*10 - 100 000 lx (for white LED)
0.01 - 100 000 lx (Available with optional GL SALLI Diffusor)
Luminance [cd/m2]Available with optional GL OPTI PROBE
Luminous flux [lm]Available with optional GL OPTI SPHERE
Luminous intensity [cd]Calculated in GL SPECTROSOFT
Irradiance [W/m2]0.03 - 600 W/m2 ( for white LED)
Illuminance classClass B - DIN 5032-7
Class A - JIS C 1609-1:2006
Tolerance - cosine response (f2′)< 3% (1,9%)
Spectral range **340 - 780 nm (UVa-VIS) (GL SPECTIS 1.0 T Flicker UVa - VIS )
FLICKER MEASUREMENTS
Flicker measuring rangesMeasurement Time [ms]Sampling rateUpper Cut-Off FrequencyLower Cut-Off FrequencyFFT frequency resolutions
1318μs12,5 kHZ23 Hz7,63
26216μs6,25 kHz12 Hz3,81
52432μs3,125 kHz6 Hz1,91
104864μs1,56 kHz3 Hz0,96
2097128μs781 Hz1,5 Hz0,48
4194256μs390 Hz0,8 Hz0,24
8388512μs195 Hz0,4 Hz0,12
167771024μs97 Hz0,2 Hz0,06
335542048μs48 Hz0,1 Hz0,03
Frequency range0,01 Hz - 12,5 kHz
Maximum sampling rate125 kHz
Illuminance range0.1 lx - 15.000 lx
FFT plot visualization
Time plot visualization
Flicker index
SVM (Stroboscopic Visibility Measure)
Dominant frequency
CALCULATED VALUES
CRI - Color rendering index according to CIERa, R1-R14
TM-30-15Rf, Rg, Colour Vector Graphic
CCT - Correlated color temperature according to CIE
Color peak
Color dominantoptional with GL SPECTROSOFT
Color position coordinates [x,y] according to CIE 1931
Color position coordinates [u’,v’] according to CIE 1976
Color position coordinates [u,v] according to CIE 1960
PAR / PPFD
Color coordinate erroroptional with GL SPECTROSOFT
Metametric indexoptional with GL SPECTROSOFT
Binningoptional with GL SPECTROSOFT
Assessment in accordance with ISO 3664
PHOTOMETRY / RADIOMETRY
SensorCMOS image sensor
Number of pixels256
Physical resolution / datapoint interval~ 1.7 nm
Wavelength reproducibility0.5 nm
Integration time10 ms - 10 s
A/D converter16 bit
Signal-to-noise ratio1000:1
Stray light2*10 E-3
Optical resolution / FWHM10 nm
Uncertainty of spectroradiometric measurement< 3 %
Flicker compensation
Temperature sensor and dark current compensation
Uncertainty of color coordinates***0.0015
Automatic accessory detection
GENERAL PROPERTIES
Operating systemAndroid
Internal power supplylithium-polymer battery 3500 mAh
Maximum current draw600mA
External power supplyUSB mini socket: 5V, 1A
Automatic shut-off
Battery lifeup to 6h*****
Operating temperature5-35°C
Dimensions [H x W x D]74.5 mm x 145.5 mm x 36.6 (with standard diffusor)
Weight349 g
Tripod adapter
INTERFACE & MEMORY
USBUSB 2.0
TriggerMQ172, 4-pin, programmable
SD Card slotmicro SD 16 GB
Measurement result storageAuto / 16 GB microSD
Data formatXML
Fiber optic connectorOptional SMA905D
DISPLAY & OPERATION
Display3,5" color LCD ( 240 x 320 px)
OperationTouch Screen, PC / Notebook
SOFTWARE
SoftwareOptional GL SPECTROSOFT Basic / Pro / Lab
ORDERING INFORMATION
Case
Battery
USB cable
Power supply
Leash
Display protection foil
4 GB microSD card

* Dynamic range is spectrum related and should be calculated separately for any light source. Estimated dynamic range for typical 4000 K white LED.
Range estimated for optical system made to default specification. Alterations of that are often possible. Please consult technical support if you are looking for specific parameters.

** Spectral range of the sensor. Actual spectral range of system may be reduced due to limitations of used optical accessory.

*** Absolute measurement uncertainty immediately after calibration. The expanded uncertainty corresponds to a coverage probability of 95 % and the coverage factor k = 2.
Parameters valid in laboratory conditions 25deg C, relative humidity 45%

**** Applies only within the spectral range of the given model.

***** In moderate use – continuous measurements and WiFi significantly increase energy consumption.

Note: Instrument, firmware and software specification are subject to change without prior notice. All information included in GL OPTIC datasheets and product information available in any form are carefully prepared and included
information believed to be true. Please note that discrepancies may occur due to text and/or other errors or changes in the available technology. We advise to contact GL Optic before the use of the product to obtain the latest product
specification.

Highest Quality Sensors and Components

spectis1-flicker-dissected-2

Finalist in the Sapphire Awards 2018
by LEDs Magazine

The LEDs Magazine Sapphire Awards recognize the top advances and visionaries in the LED and solid-state lighting (SSL) industry sectors. Companies from all around the world submit their products in multiple categories for the chance to receive one of the year’s prestigious titles. Read more.

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