Professional 3-in-1 Water Testing Pen – Multi-Function TDS, pH & Temp Meter for Drinking Water
High-precision TDS sensor measures dissolved solids (0-9990ppm) with ±2% accuracy for purity checks. Durable titanium alloy electrode ensures long-lasting pH testing (0-14 range) with automatic temperature compensation. Built-in high-sensitivity thermistor detects water temperature (0-80°C/32-176°F) instantly for brewing or aquariums. IP67 waterproof casing with anti-slip ABS body withstands drops and splashes in kitchens/labs. Auto-calibration function with included buffer powders ensures lab-grade consistency for hydroponics or pool maintenance. Ultra-clear LCD displays all 3 metrics simultaneously with replaceable CR2032 battery (included). Compact pen design (15cm) fits in pockets for travel, camping, or industrial water quality audits. Certified by CE/FCC for safe use in food testing, home brewing, and agricultural water analysis.