SX625 Replacement pH Probe for SX620 pH Pen

The Apera Instruments SX625 is a reliable replacement pH probe designed specifically for the SX620 pH Pen Tester. Featuring a slim 10 mm diameter and a built-in temperature sensor, it is ideal for accurate pH measurements in test tubes and small-volume aqueous solutions. It performs well across a wide pH range and is suitable for hydroponics, aquaculture, pool & spa maintenance, water treatment, and educational applications.

Key Features

• Measurement range: 0 to 14.00 pH, 0 to 50°C (32–122°F)
• Slim design with 10 mm diameter for easy test tube insertion
• Glass bulb membrane for accurate pH sensing
• Built-in temperature sensor for automatic temperature compensation
• Durable for 12–24 months with proper care
• Compatible with Apera SX620 pH Pen
• CE-certified and includes a 6-month warranty

Complete Set Contents

• 1 x SX625 Replacement pH Probe
• User instruction manual