* Four-Point Probe (4PP) measurement (Ossila)

Product Link: https://www.ossila.com/products/four-point-probe-system?variant=49564303392984
Instrument Related Link: https://www.umu.se/contentassets/9f8c0a0dda844a09b42336a77868b84e/four-point-probe-system.pdf
Video Link: https://www.youtube.com/watch?v=4QvDrrzNTbs
* kiethely 2450 integrated with 4PP

Vedio link: https://www.youtube.com/watch?v=dMW8BxPSBMU
Product link: https://www.distrelec.ch/en/source-measurement-unit-1x-20w-10-na-keithley-2450/p/11048971
* Fluka Digital Multimeters

Instrument related link: https://www.fluke.com/en-us/products/electrical-testing/digital-multimeters?srsltid=AfmBOorlj6sbWXwh1B6I-DEsRt2RLe-t_uV9RyA47UvZsygTmFkiYLHl
* 4510 Bench conductivity / TDS Meter (Jenway 451201)

Manual: https://pim-resources.coleparmer.com/instruction-manual/35440-00thru06manual-english.pdf
* Potentiostat /galvanostat /impedance analyzer

Product link: https://www.palmsens.com/product/palmsens4/
Vedio link: https://www.youtube.com/watch?v=AiMxajU0hpE
Instrument related link: https://idm-instrumentos.es/wp-content/uploads/2021/02/PalmSens4-Especificaciones.pdf
* Probe from Signatone Economy Micropositioner (4 Positioners + 4 Tip Holder + 5 Tisp) (Vanderpaw)

Product link : https://www.signatone.com/s_product_category/high-voltage-high-power-probe-arms/
Instrument related link : https://www.signatone.com/wp-content/uploads/2024/04/s-750-data-sheet-v1.7.pdf
* Digital Lux Meter (Model, AS803): (Brand name: smart sensor, color: black, Measuring range: 0-200,000 Lux, Resolution:1 Lux, Temperature Range:10~50℃ / 14~122℉, Sampling Rate:1.5 times/sec, Item Size:16.5 * 5 * 2.7cm, Item Weight:86g)

Related Manual: https://cdn.tmi.yokogawa.com/1/5989/files/IM51011-01EN.pdf
* Digital multimeter: INNOVA 3320

Instrument related link: https://www.innova.com/products/auto-ranging-dmm-3320?srsltid=AfmBOopQBb4La_uLvLb9C8snLNoEL82uTuAks9iq0V6Cv67RS7u6ocMQ