Which best TDS EC meter water RO: AP-1 vs AP-2 vs EC-3 vs TDS-3 vs COM-100 year 2019 • HM Digital
Where to buy in EU: https://purified-water.dk/shop/meter
Comparing HM Digital AP-1, AP-2, TDS-3, EC-3 and COM-100 meter. I use different reverse osmosis liquids. Conversion factor is 2 µS (MicroSiemens) = 1 ppm. More info http://purified-water.dk/tds_ec_meters_hm_digital_ap-1_ap-2_tds-3_ec-3.shtml
Видео Which best TDS EC meter water RO: AP-1 vs AP-2 vs EC-3 vs TDS-3 vs COM-100 year 2019 • HM Digital канала Purified Healthy Water
Comparing HM Digital AP-1, AP-2, TDS-3, EC-3 and COM-100 meter. I use different reverse osmosis liquids. Conversion factor is 2 µS (MicroSiemens) = 1 ppm. More info http://purified-water.dk/tds_ec_meters_hm_digital_ap-1_ap-2_tds-3_ec-3.shtml
Видео Which best TDS EC meter water RO: AP-1 vs AP-2 vs EC-3 vs TDS-3 vs COM-100 year 2019 • HM Digital канала Purified Healthy Water
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