PH400S Portable pH Meter with GLP Data Management and USB Output

The Apera Instruments PH400S is a professional-grade portable meter for precise measurement of pH and temperature, designed to perform reliably in both laboratory and field conditions. Its IP57 rating ensures protection against dust and water, making it durable in harsh environments. The included 201T-S pH electrode features a low-resistance glass membrane and integrated temperature sensor, enabling fast and accurate readings with automatic temperature compensation (ATC).

The PH400S also includes GLP data management with storage for up to 1000 memory groups and USB connectivity for easy data transfer to a PC or laptop—perfect for real-time data logging and detailed analysis.

Key Features

• Fast, accurate pH and temperature measurements (±0.01 pH accuracy)
• Measurement range: 0 to 14 pH, 0 to 100°C
• 201T-S pH electrode with integrated temperature sensor
• Automatic Temperature Compensation (ATC)
• GLP data management with up to 1000 memory groups
• USB data output for real-time storage and easy PC transfer
• Quick 1- to 3-point calibration
• Waterproof and dustproof (IP57) for rugged field conditions
• Large illuminated LCD displays measurement and calibration data clearly
• Self-diagnosis function supports calibration and troubleshooting
• ORP measurement possible with optional 301Pt-S electrode
• RoHS and EC certified
• 2-year warranty on the device (6 months on electrodes)