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VISO SYSTEMS LightSpion

User Manual

Revision: 3 September 2020

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Summary of Contents for LightSpion LIGSP001

Page 1: ...VISO SYSTEMS LightSpion User Manual Revision 3 September 2020 ...

Page 2: ...stems product Please review this manual thoroughly to ensure proper installation and operation For news Q A and support at Viso Systems visit our website at www visosystems com Other manuals in this series for which the latest version can be downloaded from www visosystem com include Light Inspector User Guide Software LabFlicker User Manual optional equipment VISO Reference CALI T50 User guide op...

Page 3: ...ipping packages 5 Installation 5 Software installation 5 Connecting power 6 AC power supply cable plug 6 Connecting USB 6 Room Considerations 7 Laboratory environment 7 Making measurements 7 Bulbs and Spots 7 Strips and Tubes 9 LightPort Installation 9 Linear Light Holder Installation 10 Check for light overspill 11 Advanced setup 12 Checking the calibration status 12 Custom calibration 12 Accurac...

Page 4: ...with the RoHS Directive 2011 65 EU with amendments 2015 863 Help preserve the environment Ensure that this product is recycled at the end of its lifetime Your supplier can give details of local arrangements for the disposal of Viso Systems products Introduction About this document These guidelines describe the installation process of the LightSpion followed by the typical measurements of various l...

Page 5: ...on the Viso Light Inspector software must be installed It is supported on all windows platforms Use the following link to download the latest version http www lightdataserver com software Viso 20Systems LightInspector htm Please make sure the LightSpion is not connected to the computer during software installation Run the msi file and follow the installation instruction USB drivers are automatical...

Page 6: ... earthed power plug that fits the local power outlet must be used You can acquire an IEC power cable with a suitable grounding type plug from most of consumer electronics stores When installing the plug connect pins as follows Blue wire to neutral Yellow and green wire to grounding earth Brown wire to live Connecting USB The LightSpion is connected to the computer using a USB connector type B A 2 ...

Page 7: ...ternal surfaces with a clean dry cotton cloth avoid statics Avoiding air currents is necessary to minimize cooling of devices under test Limit air flow e g from air conditioning systems or draught around the system may alter light source intensity Limit heat transmission from light source through mounting system Should be mounted as realistically as possible The standard test conditions and tolera...

Page 8: ...sources with narrow beam angles it is important to ensure that the light is pointing straight horizontally to make certain that the centre of the beam is scanned at the correct point as shown below After alignment turn the light source back pointing straight towards the optical sensor Different alignment examples are shown below Center hight Center hight Center hight Center of rotation Light bulb ...

Page 9: ...s finished An alternative to the bracket is to effective mask off directly on the light source to ensure that only 8 cm contributes to the light output Click Edit Photometric Linear sources to insert the real length of the source to the software The complete light output of the linear light sources is then calculated For linear light sources of flexible lengths such as LED strips it is also possib...

Page 10: ...o the end of the slot Linear Light Holder Installation The linear light holder is set and used as shown in the pictures below 1 Take holder from the lid 2 Push to the end 3 Erect holder 4 Use Velcro straps to hold fixture 5 Center the light source ...

Page 11: ...ector outside of the light port bracket area can increase the measured value of the luminous flux An extension plate for the light port bracket will prevent the light overspill The extension is smoothly attached on top of the port bracket as shown in the pictures below Light overspill ...

Page 12: ...ds to be calibrated Viso recommends calibration every year or minimum every 2 years Viso provides calibration service or you may do your own calibrations following the Custom Calibration procedure Check up Procedure Place the Reference 800 with the indicator the oblong hole in the base upwards Do not preheat the light source before measurement Centre the light source in the gonio measuring distanc...

Page 13: ...y calibration You can always switch between factory and custom calibration at any time IMPORTANT Calibration must be made in a dark environment with non reflective surfaces These steps show how to make a custom calibration 1 Place the calibration lamp at the center of the rotation motor and make sure it is lifted to the right height by using the alignment tool The lamp must be pointed directly tow...

Page 14: ...lly calculate the intensity of the source in candela based on the lamp file at a distance of 0 5 m If the measurements are done at a different distance then click on the re calculate button If you don t know the lamp distance but know the intensity value in candela simply insert it directly into the candela box 4 Make sure the calibration source has been turned on for at least 30 min so the output...

Page 15: ...escribed below Photo spectrometer accuracy The spectrometer used in the LightSpion is Ocean Optics STS VIS The accuracy of the spectrometer has been previously tested in a wide temperature range from 10 to 50 degrees therefore the device is adjusted for a temperature drift The linearity of the photo spectrometer is corrected to have an error 0 5 from 15 95 full scale 2 500 14 000 counts net The ef...

Page 16: ...izes Max positive error 0 49 Max negative error 2 55 In most cases the maximum error would be smaller than 2 55 as the light radiated from a large aperture would be highest in the center The inaccuracy of the sensor is rounded off to 2 Sensor intensity error 2 Circular field accuracy The LightSpion measures the luminous flux in lumen which accounts for light radiated in all directions Lumen measur...

Page 17: ...ummation of the 3 kinds of errors Spectrometer Intensity Error Sensor Error Circular Field Error Total Lumen Accuracy 1 A LED bulb with a frosted glass cone For this type of light source the B field is almost completely circular and therefore it has a small error when measured only using the A field Accuracy 0 5 2 1 6 4 1 2 A LED bulb with a frosted plastic cone The plastic cone exposes the led Th...

Page 18: ...y 0 5 2 7 9 10 4 5 Incandescent clear glass Old fashioned incandescent bulb gives the largest error due to a non circular tungsten thread Accuracy 0 5 2 10 2 12 7 Based on the above the average accuracy is then calculated as follows Total Average Lumen Error spectrometer intensity error sensor error circular field error type1 type2 type3 type4 type5 5 0 5 2 1 6 2 3 4 6 7 9 10 2 5 7 82 ...

Page 19: ...e 70 000 samples sec Photometric Flux lumen 0 66 m 10 50 000 7 8 see Lumen Accuracy Intensity candela 0 05 50 000 2 5 Color temperature 1 000 K 10 000 K 35 K Color rendering index 0 100 0 7 Angular resolution BASIC MODE 5 degree step About 20 sec measurement time per C plane Angular resolution HIGH MODE 1 degree step About 1 min measurement time per C plane Angular resolution highest resolution 0 ...

Page 20: ...20 Approvals Power supply cUL UL CE CCC TUV FCC Power analyzer photometer CE Warranty Warranty period 2 years Ordering information LightSpion P N LIGSP001 ...

Page 21: ...lop and manufacture OEM and customer specific goniophotometer solutions Our mission is to support customers with powerful yet easy to use control and measurements solutions Products are developed and manufactured in Copenhagen Denmark ...

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