I have two of these, good meters. https://www.amazon.com/HM-Digital-COM-80-Electrical-Conductivity/dp/B008SOPO10/ref=sr_1_2?keywords=com-80&link_code=qs&qid=1693929666&sourceid=Mozilla-search&sr=8-2 Another member has had good results with this cheaper model. Many cheap fakes of this one, make sure it's the HM digital brand and not a no-name. https://www.amazon.com/HM-Digital-TDS-3-Handheld-Carrying/dp/B000VTQM70/ref=pd_rhf_d_se_s_pd_sbs_rvi_sccl_2_5/137-2508067-9773235?pd_rd_w=rC3iH&content-id=amzn1.sym.a089f039-4dde-401a-9041-8b534ae99e65&pf_rd_p=a089f039-4dde-401a-9041-8b534ae99e65&pf_rd_r=FH7XVEJQDQJZH752802H&pd_rd_wg=uHb2w&pd_rd_r=a19c62b4-dad0-40df-b476-209f3b3a7df5&pd_rd_i=B000VTQM70&psc=1#customerReviews Thanks for the information and your time.
