PH-221 pH Temperature Controller – pH And Temp Tester

PH-221 pH Temperature Controller – pH And Temp Tester — a compact digital pH and temperature controller designed for reliable monitoring and control in aquariums, hydroponics, laboratories, and industrial processes. Offers digital display, 2-point calibration with auto buffer recognition, and a 5A output current for precise control.

Features

• Digital display for clear pH and temperature readings
• 2-point calibration with auto buffer recognition for accurate results
• 5A output current suitable for controlling pumps or relays
• CE certified for safety compliance
• Simple interface ideal for both hobbyists and professionals

Product Specifications

• Model: PH-221 pH/Temperature controller
• Calibration: 2-point with auto buffer recognition
• Display Type: Digital
• Output Current: 5A
• High-concerned Chemical: None
• Battery Included: No
• Certification: CE

Package Includes

• 1 × PH-221 pH/Temperature Controller
• Note: Battery not included

Warning / Reminder

• Calibrate before first use and periodically for best accuracy.
• Use in appropriate environments; avoid exposure to corrosive chemicals.

The PH-221 improves monitoring by combining pH and temperature sensing in one easy-to-read unit, reducing guesswork and preventing costly fluctuations in water chemistry. Its precise calibration and 5A output let you automate dosing or control equipment, saving time and protecting sensitive setups.

Perfect for aquarium keepers, hydroponic growers, lab technicians, and process controllers — backed by reliable performance. Add the PH-221 to your setup today to streamline monitoring and control; ideal for continuous use in tanks, nutrient systems, or benchtop applications.

Used for routine monitoring and automated control; ensures consistent conditions and peace of mind.