testo 206 pH1 pH/Temperature Measuring Instrument for Liquids

Amazon

One-hand pH/C measuring instrument Ideal for measuring the pH value of liquids Temperature measurement is feasible thanks to the integrated temperature probe Temperature measurement is feasible thanks to the integrated temperature probe

Test-meter.co.uk

Robust pH/temperature metre for liquids. Measures 0-14pH with ±0.02pH accuracy. 0-60°C temperature range. IP68 waterproof. Auto temperature compensation. Comes with TopSafe protective cap. Ideal for catering industry.