"Sper Scientific"

Easy to carry, simple to operate and sufficient for most field pH tests.

Simultaneously displays the parameter being measured and temperature in °C or °F.

Highly stable and accurate readings with large LCD display. Designed for simple one-hand operation.

Reads either pH (in 0.01 resolution) or mV in large digits, with time, date, and temperature (in °C or °F) shown simultaneously on the lower display.

Reads pH, ORP (oxygen reduction potential), mV, conductivity, TDS (total dissolved solids), salinity and temperature.

Fits standard test tubes 16×50 mm or larger.

Fits standard test tubes 16x50 mm or larger.