{"id":22471,"date":"2024-07-08T11:20:09","date_gmt":"2024-07-08T09:20:09","guid":{"rendered":"http:\/\/127.0.0.1:8080\/en\/organisation\/departments\/zae\/laboratories\/laboratory-electrical-measurements-and-instrumentation\/"},"modified":"2025-10-29T10:14:11","modified_gmt":"2025-10-29T09:14:11","slug":"laboratory-electrical-measurements-and-instrumentation","status":"publish","type":"page","link":"https:\/\/riteh.uniri.hr\/en\/organisation\/departments\/zae\/laboratory-electrical-measurements-and-instrumentation\/","title":{"rendered":"Laboratory for Electrical Measurements and Instrumentation"},"content":{"rendered":"\n<p>Head <a href=\"\/en\/osoba\/ivan-markovinovic\">Postdoc. Ivan Markovinovi\u0107<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"\/media\/filer_public_thumbnails\/filer_public\/74\/de\/74de755c-0047-4a48-86b8-28a9bd0bf7c1\/slika_ivanmarkovinovic.jpg__100x150_q92_crop_subsampling-2_upscale.jpg\" alt=\"person.image.file.alt\"\/><\/figure>\n\n\n\n<p>Email address <a href=\"mailto:ivan.markovinovic@riteh.uniri.hr\">ivan.markovinovic@riteh.uniri.hr<\/a> <br>Telephone +385 51 651 598, int. 2598 <br>Location L-13 \/ 2-50<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Researchers:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Prof. Sa\u0161a Vlahini\u0107<\/li>\n\n\n\n<li>Postdoc. Ivan Markovinovi\u0107<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Field of expertise<\/h1>\n\n\n\n<p>The researches done by the members of laboratory can be classifed in two different fields: power systems measurements and biomedical measurements and general instrumentation.<\/p>\n\n\n\n<p>Expertise in power systems measurements include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>measurements of harmonic distortion<\/li>\n\n\n\n<li>application of synchrophasor measurements for detection of abnormal system states<\/li>\n\n\n\n<li>diagnostics and troubleshooting in electric power systems<\/li>\n\n\n\n<li>diagnostics of power transformers (tan delta), cables (partial discharges) and power system protection<\/li>\n\n\n\n<li>localization of power system disturbances<\/li>\n<\/ul>\n\n\n\n<p>Expertise in biomedical measurements and general instrumentation include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>EEG signal analyses\n\n\n\n<ul class=\"wp-block-list\">\n<li>spectral analyses<\/li>\n\n\n\n<li>application of ICA<\/li>\n\n\n\n<li>artefact removal<\/li>\n\n\n\n<li>P300 detection<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>application of spectral analyses in neurofeedback applications<\/li>\n\n\n\n<li>BCI based on EEG<\/li>\n\n\n\n<li>analog signal processing<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Laboratory equipment<\/h1>\n\n\n\n<p>Laboratory inventory includes measurement equipment for electric and electronic measurements. The equipment is used for education, research and for implementation of projects in collaboration with industry.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><em><strong>Equipment for power and voltage quality measurements<\/strong><\/em><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Metrel Power Quality Analyzer MI 2292<\/h2>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"\/media\/filer_public_thumbnails\/filer_public\/90\/17\/9017c204-80cb-48d0-9b79-501e1360e473\/mi_2292.jpg__400x297_q92_crop_subsampling-2_upscale.jpg\" alt=\"MI 2292.jpg\"\/><\/figure>\n\n\n\n<p>Instrument for power quality measurements. Device characteristics:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>3 voltage channels, 0 \u00f7 900 Vrms<\/li>\n\n\n\n<li>3 current channels, CT 5A\/1V, 100A\/1V, C173 1\/10\/100A\/1V<\/li>\n\n\n\n<li>Power quality measurement according to IEC 61000-4-30<\/li>\n\n\n\n<li>Voltage quality measurement according to EN50160<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Power Quality Analyzer &#8211; STER<\/h2>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"\/media\/filer_public_thumbnails\/filer_public\/28\/0c\/280c90d8-7892-40f6-8d9c-602695bf023f\/ster_pq.jpg__400x297_q92_crop_subsampling-2_upscale.jpg\" alt=\"STER PQ.jpg\"\/><\/figure>\n\n\n\n<p>Instrument for power quality measurements. Device characteristics:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>4 voltage channels, 0 \u00f7 1000 Vrms, CAT III \/ 1000 V<\/li>\n\n\n\n<li>4 current channels, &#8220;Flex Current Clamps&#8221; 30\/300\/3000 A<\/li>\n\n\n\n<li>Power quality measurement according to IEC 61000-4-30 Class S\/A<\/li>\n\n\n\n<li>Voltage quality measurement according to EN50160<\/li>\n\n\n\n<li>Power measurement according to IEC 61557-12 i IEEE 1448<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">NEXUS 1500<\/h2>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"\/media\/filer_public_thumbnails\/filer_public\/fd\/6d\/fd6dcbd5-ca93-45a0-ae25-4c0bcc5b924f\/nexus1500.png__512x353_q92_crop_subsampling-2_upscale.jpg\" alt=\"Nexus1500.png\"\/><\/figure>\n\n\n\n<p>Advance energy meter with power quality measurement functions. Device characteristics:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>4 voltage channels, 0 \u00f7 600 Vrms<\/li>\n\n\n\n<li>4 current channels, 1 A, 5 A<\/li>\n\n\n\n<li>Power quality measurement according to IEC 61000-4-30, Class A<\/li>\n\n\n\n<li>Harmonic measurement according to 61000-4-7<\/li>\n\n\n\n<li>Flicker measurement according to IEC 61000-4-15<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><em><strong>Equipment for electronic measurements<\/strong><\/em><\/h2>\n\n\n\n<p>Laboratory inventory includes standard equipment for electronic measurements (analog and digital oscilloscopes, arbitrary waveform generators, DMMs, power supplies, DAQ devices). List of some laboratory equipment follows.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Agilent 4395A 10-500 MHz Network\/Spectrum\/Impedance Analyzer<\/h2>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"\/media\/filer_public_thumbnails\/filer_public\/cf\/58\/cf582708-8c37-49d2-834f-71b860c4ef5d\/agilent_4395a.png__1246x531_q92_crop_subsampling-2_upscale.png\" alt=\"Agilent 4395A.png\"\/><\/figure>\n\n\n\n<p>Device characteristics:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Network Analyzer:\n\n\n\n<ul class=\"wp-block-list\">\n<li>Frequency bandwidth: 10 Hz to 500 MHz<\/li>\n\n\n\n<li>Dynamic range: 115 dB @ 10 Hz IFBW<\/li>\n\n\n\n<li>Accuracy: +\/-0.05 dB, +\/-0.3 degree<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Spectrum Analyzer:\n\n\n\n<ul class=\"wp-block-list\">\n<li>Frequency bandwidth:10 Hz to 500 MHz<\/li>\n\n\n\n<li>Sensitivity: -145 dBm\/Hz @ 10 MHz<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Impedance Analyzer (Option 4395A-010)\n\n\n\n<ul class=\"wp-block-list\">\n<li>Frequency bandwidth: 100 kHz to 500 MHz<\/li>\n\n\n\n<li>Equivalent circuit analyses function: +\/- 40 V or +\/- 100 mA DC bias (Option 4395A-001)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Oscilloscope Rigol DS1054<\/h2>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"\/media\/filer_public_thumbnails\/filer_public\/36\/15\/3615d1ab-743c-4dc9-925b-d3867ddc449e\/rigol_ds1054zfronten-1000x1000.jpg__500x500_q92_crop_subsampling-2_upscale.jpg\" alt=\"Rigol DS1054ZFrontEn-1000x1000.jpg\"\/><\/figure>\n\n\n\n<p>Device characteristics:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Analog channel bandwidth: 100 MHz, 70 MHz, 50 MHz<\/li>\n\n\n\n<li>4 analog channels<\/li>\n\n\n\n<li>16 digital channels <\/li>\n\n\n\n<li>Real-time sample rate up to 1 GSa\/s <\/li>\n\n\n\n<li>Memory depth up to 24 Mpts, up to 30,000 wfms\/s waveform capture rate, up to 60,000 frames hardware real-time waveform recording and playback functions<\/li>\n\n\n\n<li>Low noise floor, vertical scale range: 1 mV\/div to 10 V\/div<\/li>\n\n\n\n<li>Built-in dual-channel 25 MHz function\/arbitrary waveform generator<\/li>\n\n\n\n<li>Various interfaces: USB Host&amp;Device, LAN (LXI), AUX<\/li>\n\n\n\n<li>7 inch WVGA (800&#215;480) TFT LCD, intensity graded color display<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Red Pitaya boards<\/h2>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"\/media\/filer_public_thumbnails\/filer_public\/86\/eb\/86eb3149-cd7f-415d-bcce-7973a73cd555\/redpitaya.png__255x417_q92_crop_subsampling-2_upscale.png\" alt=\"redpitaya.png\"\/><\/figure>\n\n\n\n<p>Device characteristics:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Processor: DUAL CORE ARM CORTEX A9 DUAL CORE ARM CORTEX A9<\/li>\n\n\n\n<li>FPGA: Xilinx Zynq 7010 SOC<\/li>\n\n\n\n<li>RAM: 512MB (4Gb)<\/li>\n\n\n\n<li>System memory: Micro SD up to 32GB<\/li>\n\n\n\n<li>RF input channels: 2<\/li>\n\n\n\n<li>Sample rate: 125 MS\/s<\/li>\n\n\n\n<li>Resolution:14 bit<\/li>\n\n\n\n<li>Input impedance: 1MOhm\/10pF<\/li>\n\n\n\n<li>Full scale voltage range : +-20 V<\/li>\n\n\n\n<li>RF output channels: 2<\/li>\n\n\n\n<li>Sample rate: 125 MS\/s<\/li>\n\n\n\n<li>DAC resolution: 14 bit<\/li>\n\n\n\n<li>Applications: oscilloscope, spectrum analyzer, LCR meter, Bode analyzer, logic analyzer, function generator<\/li>\n\n\n\n<li>Development tools: Matlab, LabVIEW, Jupyter\/ python<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Multifunctional I\/O device NI USB 6251<\/h2>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"\/media\/filer_public_thumbnails\/filer_public\/50\/36\/5036779b-e2b1-4b02-b1ab-721865fbe47c\/national_instruments_usb_6251.jpg__274x184_q92_crop_subsampling-2_upscale.jpg\" alt=\"National_Instruments_USB_6251.jpg\"\/><\/figure>\n\n\n\n<p>Device characteristics:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Analog input: 16 AI, 16-Bit, 1.25 MS\/s<\/li>\n\n\n\n<li>Analog output: 2 AO, 2.86 MS\/s<\/li>\n\n\n\n<li>Digital IO lines: 24 DIO<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Head Postdoc. Ivan Markovinovi\u0107 Email address ivan.markovinovic@riteh.uniri.hr Telephone +385 51 651 598, int. 2598 Location L-13 \/ 2-50 Researchers: Field of expertise The researches done by the members of laboratory can be classifed in two different fields: power systems measurements and biomedical measurements and general instrumentation. Expertise in power systems measurements include: Expertise in biomedical [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":22468,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-22471","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/riteh.uniri.hr\/en\/wp-json\/wp\/v2\/pages\/22471","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/riteh.uniri.hr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/riteh.uniri.hr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/riteh.uniri.hr\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/riteh.uniri.hr\/en\/wp-json\/wp\/v2\/comments?post=22471"}],"version-history":[{"count":6,"href":"https:\/\/riteh.uniri.hr\/en\/wp-json\/wp\/v2\/pages\/22471\/revisions"}],"predecessor-version":[{"id":45230,"href":"https:\/\/riteh.uniri.hr\/en\/wp-json\/wp\/v2\/pages\/22471\/revisions\/45230"}],"up":[{"embeddable":true,"href":"https:\/\/riteh.uniri.hr\/en\/wp-json\/wp\/v2\/pages\/22468"}],"wp:attachment":[{"href":"https:\/\/riteh.uniri.hr\/en\/wp-json\/wp\/v2\/media?parent=22471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}