Apera Instruments SX620 pH Pen Tester Kit — Lab-Grade Precision in Your Pocket

Meet the Apera SX620 — the most compact, reliable pH pen tester for professionals who demand accuracy. Whether you're managing a hydroponic system, monitoring pool chemistry, brewing beverages, or testing aquaculture water, the SX620 delivers consistent ±0.01 pH readings you can trust.

Why the SX620 Outperforms the Rest

• ±0.01 pH Accuracy — Lab-grade precision in a slim, portable pen form factor
• 3-Point Automatic Calibration — Calibrates to pH 4, 7, and 10 simultaneously for maximum accuracy across the full measurement range
• Automatic Temperature Compensation (ATC) — Accurate readings from 0°C to 60°C regardless of sample temperature
• Slim Replaceable Probe — Fits standard test tubes; replace probe when worn for continued precision without buying a new meter
• Smart Intelligent Functions — Toggle °F/°C, auto power-off to conserve battery, and a built-in probe invalidation reminder so you always know when it's time to recalibrate or replace
• Complete Professional Kit — Includes premixed pH 4, 7, and 10 calibration buffer solutions plus 3M KCl storage solution, all organized in a protective portable case

Ideal Applications

• Hydroponics & aquaponics nutrient management
• Swimming pool & spa water chemistry
• Aquaculture & fish tank monitoring
• Beverage production & food processing
• Cooling tower & industrial water treatment
• Body fluid & laboratory testing

Technical Specifications

• Measurement Range: 0.00 – 14.00 pH
• Accuracy: ±0.01 pH
• Calibration: Automatic 3-point (pH 4 / 7 / 10)
• Temperature Compensation: 0°C – 60°C (ATC)
• Display: LCD with simultaneous pH and temperature readout
• Probe: Slim, replaceable

Experience the confidence of professional water analysis — anywhere, anytime. The Apera SX620 is engineered for those who don't compromise on accuracy.