HM Digital ORP-200 Waterproof ORP Meter commercial EC meter One Certified Breeze pre-filter

One Certified Breeze pre-filter

EC: 0 – 20

HM Digital COM-360 Professional 4-in-1 pH/EC/TDS/Temp Meter

The Bluelab Conductivity Probe Care Kit is the essential maintenance solution for anyone using Bluelab EC meters

Display: Large digital LCD

HM Digital ORP-200 Waterproof ORP Meter commercial EC meter One Certified Breeze pre-filterORP 200: Waterproof Professional Series ORP Temp Meter ORP 200: Waterproof Professional Series ORP Temp Meter The ORP 200 is a professional grade ORP meter ideal for all ORP testing, including anti oxidant measurement, water purification applications, ionizers, agriculture, aquariums & aquaculture, chlorine monitoring, cooling tower disinfection, environmental testing, fruit & vegetable washing, hydroponics, metal finishing, ozone system monitoring,