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VISO LabFlicker

User Manual

Last edited 22 of August 2019

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Summary of Contents for LabFlicker

Page 1: ...VISO LabFlicker User Manual Last edited 22 of August 2019 ...

Page 2: ...ATION 7 CONNECTING THE VISO LABFLICKER 8 EXTENDING THE USB CONNECTION 9 HOW TO USE THE VISO LABFLICKER 9 MAKE A MESASUREMENT 10 BASIC MEASUREMENT 11 ADVANCED MEASUREMENT 11 TOO MUCH LITTLE LIGHT 12 FLICKER MEASUREMENT DATA 13 FLICKER FREQUENCY 13 FLICKER PERCENTAGE 13 FLICKER INDEX 13 FLICKER FFT 14 SVM 14 JA8 15 PSTLM 15 IMPORT REMOVE FLICKER MEASUREMENT 16 SPECIFICATIONS 17 ...

Page 3: ...e device outdoors Do not spray with or immerse in water or any other liquid Do not remove any covers or attempt to repair the controller or the power supply Refer any service to Viso Disposing of this product Viso products are supplied in compliance with Directive 2002 96 EC of the European Parliament and of the Council of the European Union on WEEE Waste Electrical and Electronic Equipment as ame...

Page 4: ... process of the VISO LabFlicker and how to use it with any of VISO Systems goniometers 2007 Viso Systems ApS Denmark All rights reserved No part of this manual may be reproduced in any form or by any means without permission in writing from Viso Systems ApS Denmark Information subject to change without notice Viso Systems ApS and all affiliated companies disclaim liability for any injury damage di...

Page 5: ...RAWN CHK D APPV D MFG Q A UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH TOLERANCES LINEAR ANGULAR FINISH DEBURR AND BREAK SHARP EDGES NAME SIGNATURE DATE MATERIAL DO NOT SCALE DRAWING REVISION TITLE DWG NO Flicker Assem ...

Page 6: ...LabFlicker Unit 5m USB Cable Test Certificate Packages and weight Shipping packages Shipping dimensions CBM Weight 1 LabFlicker 17 x 13 x 7 cm 0 0015 0 5 Kg Total shipping weight 0 5 kg The shipment is done in a total of 1 package ...

Page 7: ...or 2 Please make sure the LabFlicker is not connected to the computer during software installation 3 Run the msi file and follow the installation instruction 4 USB drivers are automatically installed Your measurements are not lost when updating to a newer version or uninstalling and reinstalling All measurements will always remain in your document folder If you want to remove all your measurements...

Page 8: ...ISO LabFlicker Connect the VISO LabFlicker to your Windows computer using the supplied USB cable When connected the VISO LabFlicker will wait for connection and when it is ready it will show Click to Start in the display ...

Page 9: ...ion so both LabSpion and LabFlicker can be used on the same USB connection A USB hub as pictured below can be acquired through Viso Systems How to use the VISO LabFlicker On the front of VISO LabFlicker it has a Start Pause button which is used for starting and stopping capturing the flicker On the back you find the sensor at the top Make sure not to shadow the sensor while measuring and place you...

Page 10: ...e light measurement you want to add the flicker measurement to by selecting it in the library window in the Light Inspector software or choose a new blank sheet if you just want clean flicker measurement When the LabFlicker is connected to the Light Inspector software and the Start Pause button is pressed a window for the flicker measurement will appear The flicker window gives a live feedback of ...

Page 11: ... the display When OK is shown press the Start Pause button again to pause the measurement and thereby capturing the latest flicker values If you want to redo the measurement press the button again to do another measurement You will not see the flicker measurement on the home screen in Light Inspector but it can be viewed under View Flicker You can choose to export the flicker measurement alone or ...

Page 12: ...n If it is not possible to do a measurement within the OK range of the LabFLicker and the cross will be showing in the display and on top of the result in Light Inspector the result can still be saved but the accuracy of this measurement cannot be guaranteed You can choose to save this measurement or export it to PDF but the accuracy of the result cannot be guaranteed In the PDF report the black r...

Page 13: ...om the figure Percent flicker 100 x A B A B Flicker Index Flicker index is a reliable relative measure of the cyclic variation in the output of various sources at a given power frequency It takes into account the waveform of the light output as well as its amplitude according to the handbook The flicker index assumes values from 0 to 1 0 with 0 for steady light output Higher values indicate an inc...

Page 14: ...but at a 1000Hz the human eye will not observe the flicker so Percent Flicker and Flicker Index does not tell you the actual stroboscopic effect we humans perceive therefore instead of the Flicker Index and Percent Flicker the Stroboscopic effect Visibility Measure SVM is available that tells you the effect on the human eye The SVM threshold curve can be seen in the Flicker FFT graph above and wha...

Page 15: ...cker meter and is designed to measure in the range from 0 1hz to 80hz The PstLM measurement is 180s measurement and is implemented according to IEC TR 61547 1 2017 The PstLM values in general can be read as PstLM 1 Good PstLM 1 Bad As mentioned is the PstLM measured over a period of 180 seconds or 3 minutes so it is therefor important that the flicker device is held still during this period The La...

Page 16: ...ement you want the flicker data to be imported to and then open the Flicker Window Go to View Flicker Import and choose the measurement you want to import the flicker data from closed the window and save the measurement again In the Flicker Window at the right bottom it is also possible to remove the flicker data from a measurement ...

Page 17: ...d Software working sample rate Down sampled to ensure performance 40000 sample second Automatic pre ADC gain levels Ensuring maximum dynamic use of ADC 3 levels Bandwidth 0 Hz to 5000 Hz Photometric Sensor lux range 1200 to 11000 lux Sensor candela range at distance from lamp from 0 1m to 10m 12 cd 0 1m to 1100000 cd 10m Electric Connection micro USB Power Connection via USB only 5V 200mA 1W Warra...

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