• 【4-in-1 Multi-Parameter Testing】Simultaneously measures TDS, EC, pH, and temperature on a single LCD display for comprehensive water quality analysis.

• 【High-Precision Sensors】Advanced sensors deliver accurate readings with minimal error rates: pH ±0.05, TDS/EC ±2% F.S., temperature ±0.5℃ for reliable results.

• 【Automatic Temperature Compensation】Built-in ATC technology eliminates environmental temperature effects, ensuring stable and consistent measurements across varying conditions.

• 【Backlit LCD Display】High-definition backlit screen provides clear readings in low-light conditions, perfect for pool maintenance and nighttime testing.

• 【One-Touch Mode Switching】Simple MODE/CAL button allows easy switching between TDS, EC, pH, and temperature modes with multi-language display support.

Specifications:

• Model: MF-X41
• Power Supply: 4x1.5V LR44 Button Batteries
• Display: LCD with Backlight
• Material: ABS
• pH Range: 0-14.00 pH, Accuracy: 0.01 pH, Error: ±0.05 pH
• TDS Range: 0-9999 ppm/10-200 ppt (Effective Range: 1-100 ppt), Accuracy: 1 ppm/0.1 ppt, Error: ±2% F.S.
• EC Range: 0-9999 μs/cm/10-400 ms/cm (Effective Range: 1-200 ms/cm), Accuracy: 1 μs/cm/0.1 ms/cm, Error: ±2% F.S.
• Temperature Range: 0-60℃/32-140°F, Accuracy: 0.1℃/0.1°F, Error: ±0.5℃
• Temperature Compensation Method: Automatic Temperature Compensation
• Screen Backlight Function: Yes
• Dimensions: 183x40x40mm
• Weight: 111±8g
• Response Time: 0.1 seconds
• Calibration Points: 3-point calibration (PH 4.00/6.86/9.18)
• Data Hold Function: Yes