Ohaus ST10S Salinity Pen Meter, Waterproof auspowers_batchthree The non-woven fiber construction conforms

The non-woven fiber construction conforms well to help preserve irregular or contoured surfaces and the backing supports the disc for aggressive cutting

Suitable for the following calculators: TI-30XA TI-30XIIS Casio FX-115ES Plus Casio FX-115ES Plus 2 Casio FX-300ES Plus Casio FX-300ES Plus 2 Casio FX-991ES Plus Casio FX-991ES Plus 2

Member of The Water Quality Association

dehumidifier

very easy to handle

Ohaus ST10S Salinity Pen Meter, Waterproof auspowers_batchthree The non-woven fiber construction conformsOhaus ST10S Salinity Pen Meter, Waterproof Ohaus pen meters provide accurate measurement of pH, oxidation reduction potential (ORP), conductivity, salinity and total dissolved solids (TDS). Starter pen meters are the economical option when you are simply looking for meters that will provide accurate measurement with no restriction. Each meter offers simple operation in a slim & portable design providing fast, straight forward results time and time