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.
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.