PeakTech 5305A PR - Replacement Electrode for PeakTech 5305A

pH-Meter and Thermometer (2-in-1) The PeakTech 5305A is a 2-in-1 pH meter that is operated with one hand and measures the pH and temperature in °C or °F of liquids at the same time. Both measured quantities are displayed on the LCD display with permanent backlight. Attached to the sturdy and waterproof housing is the easily replaceable sensor head, which includes the sensor for measurement of PH and temperature.