Test Equipment

Looking at the new $80 Zoyi/Zotech ZT703S Dual channel 50MHz 25,000 count 0.05% handheld oscilloscope/multimeter compared to the single channel 10MHz 10,000 count ZT702S ZT-702S review: https://www.youtube.com/watch?v=aUU-PGUnd0E Forum: https://www.eevblog.com/forum/blog/eevblog-1597-zoyi-zt-703s-$80-2ch-50mhz-oscilloscopemultimeter-review/ Hi-Res photos: 00:00 – The new $80 ZT-703S vs the $60 ZT-702S 03:40 – Power on and screen differences 06:25 – …

A practical demonstration on how to use advanced oscillocope trigger features to trigger on an unsynchronised infrequent runt/glitch pulse. Includes Pulse/Glitch, Runt, Interval, Zone triggering, and infinite persistence display, and waveform update speed demonstrated and explained. Using the Rohde & Schwarz MXO4, Siglent SDS2154X HD, Keysight 3000T, Tektronix Series 2, …

A look at the FNIRSI DPOX180H 180MHz Handheld Digital Phosphor Oscilloscope for $123. https://www.aliexpress.com/item/1005005564788266.html https://eevblog.store/products/eevblog-bm036-ac-dc-clamp-meter Forum: https://www.eevblog.com/forum/blog/eevblog-1582-fnirsi-dpox180h-180mhz-dpo-for-$123/ Podcast: Download

A multimeter without any screws? A 1990’s vintage Metrix MX44 multimeter torn down, tested and calibration adjusted. Forum: https://www.eevblog.com/forum/blog/eevblog-1578-the-screwless-multimeter-metrix-mx44-teardown-calibration/ Podcast: Download

Easy repair and teardown of the rather obscure Tektronix DMM916 Multimeter. Ebay auction: https://www.ebay.com.au/itm/225848873343 Forum: https://www.eevblog.com/forum/blog/eevblog-1576-tektronix-dmm916-multimeter-teardown-(easy)-repair/ Podcast: Download