Relaxweex Kiln Thermometer Full Range High Temperature Pyrometer K-Type Thermocouple with Ceramic Kiln Insulator Sensor Measuring Temperature up to 2372 °f 1300 °c for Crucible and Forge

You need a thermocouple and something to read it. Paragon sells these items but their thermouple is small and breaks easily. I went with this one from amazon and drilled the hole bigger for it to fit. https://www.amazon.com/dp/B0CYSRGBF2?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_4 Theres also this one with a meter but I havent tried it https://www.amazon.com/dp/B0DNJFFRKV/ref=sspa_dk_detail_4?psc=1&pd_rd_i=B0DNJFFRKV&pd_rd_w=q2kn9&content-id=amzn1.sym.9bd45040-31dd-4792-bd5a-341290ebe305&pf_rd_p=9bd45040-31dd-4792-bd5a-341290ebe305&pf_rd_r=Y7BHP7GYH0PXD9MFE5VA&pd_rd_wg=mJu6J&pd_rd_r=5bfc02d8-f60e-407a-af98-19e4e720ef57&sp_csd=d2lkZ2V0TmFtZT1zcF9kZXRhaWxfdGhlbWF0aWM