Small but productive conductivity meters. OHAUS Starter Conductivity Pen Meters with Temperature Display are the choice for basic testing needs of the total ionic concentration within a solution. They are durable with IP67 waterproof design and provide fast and straight forward results.
TDS meters with a temperature display. OHAUS Starter TDS Pen Meter provides reliable and accurate measurement of TDS in a portable and compact design. Combined content of all organic and inorganic substances in a liquid can also be measured.