Test the pH level and temperature of solution or water with a data hold function to capture and record readings. Pocket size, lightweight and portable design with switchable backlight and a large LCD display for clear reading in various lighting conditions. Replaceable pH sensor probe with an inserttype design for convenient and fast replacement when needed. ATC automatic temperature compensation with automatic calibration, plus an IP65 fully waterproof design for reliable use in diverse environments. Practical applications Hydroponics and aquarium maintenance: monitor nutrient solution or tank water to maintain stable pH and temperature. Field water testing and outdoor use: measure pH and temperature of natural water sources, rainwater, or runoff with a rugged, waterproof meter. Home brewing and beverage preparation: ensure proper pH levels in water or solutions during brewing, fermentation, or cooking processes. Key attributes at a glance Function: pH and temperature measurement with data hold, ATC, automatic calibration. Compatibility: replaceable inserttype pH sensor for easy maintenance. Size and portability: pocketsized, lightweight for field and onthego use. Material and durability: IP65 rated, fully waterproof construction. Performance: switchable backlight and large LCD display for readable results in any setting.