Apella Instruments Replacement Electrode ZenTest Smart Waterproof Pocket pH Tester for PH60-DE pH/Temperature PH60-Z

Measurement range: 0.00~14.00 pH/0~50℃　, Accuracy: ±0.01pH/±0.5℃ Special protective cover shape prevents damage to the sensor The electrode structure with a double liquid junction makes it less susceptible to contamination from sample solutions and has a longer service life. Built-in temperature sensor so you can always measure the correct temperature The special blue gel-like internal liquid does not contain any bubbles, so measurements can be taken immediately without the need for bubble removal, which is essential with regular electrodes.