The Apera PH8500 (AI5520) is a professional handheld pH meter designed for accurate water-quality testing in commercial cultivation and fertigation operations. It includes a 201T-F 3-in-1 pH/temperature electrode with Apera's proprietary lead-free lithium glass membrane. Its IP57-rated housing, 500-record GLP data logger, and USB connectivity make it suitable for monitoring source water, nutrient solutions, and irrigation runoff.
• Brand: Apera Instruments
• Model / SKU: PH8500 / AI5520
• pH Range / Accuracy: 0–14.00 pH / ±0.01 pH ±1 digit
• Resolution: Selectable 0.01 or 0.1 pH
• Included Electrode: 201T-F 3-in-1 pH/temperature electrode with lead-free lithium glass membrane
• Calibration: Automatic 1–3-point calibration; recognizes pH 1.68, 4.00, 7.00, 10.01, and 12.45
• Data Storage: 500 GLP records with timestamps and automatic or manual logging
• Connectivity: USB data export and real-time PC data capture; software included
• Protection Rating: IP57 — dustproof and suitable for temporary immersion
• Power Supply: AAA batteries
• ORP Capability: Supported with optional 301Pt-C electrode
• Electrode Compatibility: Universal BNC connection supports Apera LabSen specialty electrodes
Key Advantage: The PH8500 combines reliable pH measurement with 500-record GLP data logging and USB export, making it useful for commercial facilities that need documented nutrient-solution and water-quality measurements.