• 【4-in-1 Water Quality Testing】Integrated TDS, pH, conductivity (EC), and temperature measurement functions provide comprehensive water quality analysis in one device.

• 【0.1 Second Ultra-Fast Response】Advanced low-impedance sensitive bulb with imported smart chip technology delivers millisecond-level current fluctuation sensing for rapid and accurate data readings.

• 【High-Precision Temperature Compensation】Built-in temperature compensation algorithm automatically eliminates environmental temperature variations, ensuring reliable measurements across different water temperatures.

• 【3-Point Calibration System】Supports 4.00/6.86/9.18 pH standard buffer solution three-point rapid calibration with automatic recognition mode for professional-grade accuracy.

• 【LCD Color Screen with Backlight】Features LCD color display with backlight function for clear readings in dark environments, plus lock key for convenient data recording.

Specifications:

• Dimensions: 40×40×118.25mm
• Power Supply: 4×1.5V (LR44)
• TDS Range: 0-9999ppm
• EC Range: 0-9999μs/cm
• Temperature Range: 0-60℃
• Response Time: 0.1 seconds
• Calibration Points: 3-point pH calibration (4.00/6.86/9.18)
• Display: LCD Color Screen with Backlight
• Sensor Type: Low-impedance Sensitive Bulb