The Apera PH8500-HT (AI5566) is a professional handheld pH meter designed for high-temperature liquids and chemically aggressive solutions. It features the Swiss-made LabSen 863 electrode with a corrosion-resistant PHY glass membrane, PTFE anti-clogging junction, and Silver Ion Trap reference system. Its 130°C electrode temperature rating, GLP data logging, and USB connectivity make it suitable for demanding laboratory and industrial quality-control applications.
• Brand: Apera Instruments
• Model / SKU: PH8500-HT / AI5566
• pH Range / Accuracy: −2.00 to 16.00 pH / ±0.01 pH
• Included Electrode: Swiss LabSen 863 pH/temperature electrode
• Electrode Features: PHY glass membrane, PTFE anti-clogging junction, and Silver Ion Trap reference system
• Maximum Solution Temperature: 130°C (266°F)
• Temperature Compensation: Automatic or manual, 0–100°C
• Calibration: Automatic 1–3-point calibration; recognizes five standard buffer values
• Data Storage: 500 GLP records with manual or automatic logging
• Connectivity: USB with browser-based PC-Link software; CSV and PDF export
• Protection Rating: IP57 — waterproof and dustproof
• Power / Accessories: 3 × AA batteries, MP500 temperature sensor, calibration buffers, storage solution, USB cable, and carrying case
• Warranty: 3 years for meter; 6 months for electrode
• ORP Capability: Supported with separately purchased 301Pt-C electrode.
Key Advantage: Combines high-temperature pH measurement with a chemically resistant electrode and 500-record GLP data logging. Its USB reporting and specialized junction design make it valuable for facilities requiring reliable measurements and documented quality control under demanding operating conditions.