pH/Temp waterproof tester, -2.0 to 16.0 pH

DEC100T Benchtop Cond Meter (Touch screen) 1.DEC10

pH/ORP/Temp Bench Meter, -2.00-20.00 pH, ±2000.0mV, -20.0-120.0 °C

Portable pH meter, 0.00 to 14.00pH, 2point cal.